Overall Orange alert Volcanic eruption for Lewotobi
in Indonesia

Volcano Ash Advisories for air traffic

Although Volcano Ash Advisories (VAAC) are not intended for assessing humanitarian impact, the observations of the plume are relevant for understanding local impact. The actual impact (like ash fall) depends on the type of eruption and is not known.

Click on the messages list to visualize on the right the detailed text.



Volcanic Ash Advisory issued on 2025-08-30 at 06:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station reported at 29 1538 UTC move w.
  • Volcanic ash not discernable in clear conditions. Current data sources do not indicate an ongoing euption.

Original Message :

Received FVAU01 at 06:51 UTC, 30/08/25 from ADRM
VA ADVISORY
DTG: 20250830/0655Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/514
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL090 LAST REPORTED AT 29/1538Z MOV
W
OBS VA DTG: 30/0640Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL090 090/05KT
SFC/FL090 090/05KT
FCST VA CLD +6 HR: 30/1240Z NO VA EXP
FCST VA CLD +12 HR: 30/1840Z NO VA EXP
FCST VA CLD +18 HR: 31/0040Z NO VA EXP
RMK: VA NOT DISCERNABLE IN CLEAR CONDITIONS. CURRENT DATA
SOURCES DO NOT INDICATE AN ONGOING EUPTION.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-30 at 00:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) reported at 29 1538 UTC move w.
  • Cvghm ground reports indicate eruption with volcanic ash. Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration. Height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 00:47 UTC, 30/08/25 from ADRM
VA ADVISORY
DTG: 20250830/0055Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/513
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL090 REPORTED AT 29/1538Z MOV W
EST VA DTG: 30/0040Z
EST VA CLD: SFC/FL090 S0835 E12248 - S0841 E12233 - S0829 E12225 - S0822 E12234 - S0830 E12248 MOV W 10KT
E12225 - S0822 E12234 - S0830 E12248 MOV W 10KT
FCST VA CLD +6 HR: 30/0640Z SFC/FL090 S0835 E12248 - S0844 E12235 - S0835 E12225 - S0826 E12231 - S0830 E12248
E12235 - S0835 E12225 - S0826 E12231 - S0830 E12248
FCST VA CLD +12 HR: 30/1240Z SFC/FL090 S0835 E12248 - S0844 E12235 - S0837 E12225 - S0827 E12232 - S0830 E12248
E12235 - S0837 E12225 - S0827 E12232 - S0830 E12248
FCST VA CLD +18 HR: 30/1840Z SFC/FL090 S0835 E12248 - S0844 E12231 - S0836 E12223 - S0826 E12229 - S0830 E12248
E12231 - S0836 E12223 - S0826 E12229 - S0830 E12248
RMK: CVGHM GROUND REPORTS INDICATE ERUPTION WITH VA. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD
OBSCURATION. HEIGHT AND FORECAST BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250830/0655Z=
Volcanic Ash Advisory issued on 2025-08-29 at 18:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) reported at 29 1538 UTC move w.
  • Cvghm ground reports indicate eruption with volcanic ash. Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration. Height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 18:52 UTC, 29/08/25 from ADRM
VA ADVISORY
DTG: 20250829/1855Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/512
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL090 REPORTED AT 29/1538Z MOV W
EST VA DTG: 29/1840Z
EST VA CLD: SFC/FL090 S0835 E12248 - S0844 E12235 - S0835 E12226 - S0826 E12232 - S0830 E12248 MOV W 10KT
E12226 - S0826 E12232 - S0830 E12248 MOV W 10KT
FCST VA CLD +6 HR: 30/0040Z SFC/FL090 S0835 E12248 - S0844 E12235 - S0835 E12225 - S0826 E12232 - S0830 E12248
E12235 - S0835 E12225 - S0826 E12232 - S0830 E12248
FCST VA CLD +12 HR: 30/0640Z SFC/FL090 S0835 E12248 - S0844 E12235 - S0835 E12225 - S0826 E12231 - S0830 E12248
E12235 - S0835 E12225 - S0826 E12231 - S0830 E12248
FCST VA CLD +18 HR: 30/1240Z SFC/FL090 S0835 E12248 - S0844 E12235 - S0836 E12225 - S0826 E12232 - S0830 E12248
E12235 - S0836 E12225 - S0826 E12232 - S0830 E12248
RMK: CVGHM GROUND REPORTS INDICATE ERUPTION WITH VA. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD
OBSCURATION. HEIGHT AND FORECAST BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250830/0055Z=
Volcanic Ash Advisory issued on 2025-08-29 at 12:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) reported at 29 1212 UTC move w.
  • Cvghm ground reports indicate eruption with volcanic ash. Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration. Height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 12:48 UTC, 29/08/25 from ADRM
VA ADVISORY
DTG: 20250829/1255Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/511
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL080 REPORTED AT 29/1212Z MOV W
EST VA DTG: 29/1240Z
EST VA CLD: SFC/FL080 S0835 E12248 - S0844 E12236 - S0836 E12226 - S0827 E12231 - S0830 E12248 MOV W 10KT
E12226 - S0827 E12231 - S0830 E12248 MOV W 10KT
FCST VA CLD +6 HR: 29/1840Z SFC/FL080 S0834 E12248 - S0844 E12235 - S0835 E12225 - S0827 E12232 - S0830 E12248
E12235 - S0835 E12225 - S0827 E12232 - S0830 E12248
FCST VA CLD +12 HR: 30/0040Z SFC/FL080 S0835 E12248 - S0843 E12234 - S0834 E12224 - S0826 E12232 - S0830 E12248
E12234 - S0834 E12224 - S0826 E12232 - S0830 E12248
FCST VA CLD +18 HR: 30/0640Z SFC/FL080 S0835 E12248 - S0843 E12235 - S0835 E12225 - S0826 E12231 - S0830 E12248
E12235 - S0835 E12225 - S0826 E12231 - S0830 E12248
RMK: CVGHM GROUND REPORTS INDICATE ERUPTION WITH VA. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD
OBSCURATION. HEIGHT AND FORECAST BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250829/1855Z=
Volcanic Ash Advisory issued on 2025-08-29 at 06:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption with volcanic ash to flight level 70 (2100m) reported at 29 0412 UTC move w.
  • Cvghm ground reports indicate eruption with volcanic ash. Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration. Height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 06:48 UTC, 29/08/25 from ADRM
VA ADVISORY
DTG: 20250829/0655Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/510
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION WITH VA TO FL070 REPORTED AT
29/0412Z MOV W
EST VA DTG: 29/0640Z
EST VA CLD: SFC/FL070 S0834 E12248 - S0839 E12232 - S0830 E12226 - S0823 E12234 - S0829 E12248 MOV W 10KT
E12226 - S0823 E12234 - S0829 E12248 MOV W 10KT
FCST VA CLD +6 HR: 29/1240Z SFC/FL070 S0835 E12248 - S0839 E12231 - S0830 E12227 - S0822 E12232 - S0830 E12248
E12231 - S0830 E12227 - S0822 E12232 - S0830 E12248
FCST VA CLD +12 HR: 29/1840Z SFC/FL070 S0834 E12248 - S0842 E12234 - S0833 E12227 - S0824 E12233 - S0830 E12248
E12234 - S0833 E12227 - S0824 E12233 - S0830 E12248
FCST VA CLD +18 HR: 30/0040Z SFC/FL070 S0835 E12248 - S0839 E12231 - S0831 E12226 - S0823 E12232 - S0831 E12248
E12231 - S0831 E12226 - S0823 E12232 - S0831 E12248
RMK: CVGHM GROUND REPORTS INDICATE ERUPTION WITH VA. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD
OBSCURATION. HEIGHT AND FORECAST BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250829/1255Z=
Volcanic Ash Advisory issued on 2025-08-29 at 00:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption with volcanic ash to flight level 110 (3300m) reported at 28 2255 UTC move w.
  • Cvghm ground reports indicate eruption with volcanic ash. Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration. Height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 00:49 UTC, 29/08/25 from ADRM
VA ADVISORY
DTG: 20250829/0055Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/509
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION WITH VA TO FL110 REPORTED AT
28/2255Z MOV W
EST VA DTG: 29/0040Z
EST VA CLD: SFC/FL110 S0835 E12248 - S0842 E12231 - S0831 E12228 - S0821 E12232 - S0830 E12248 MOV W 10KT
E12228 - S0821 E12232 - S0830 E12248 MOV W 10KT
FCST VA CLD +6 HR: 29/0640Z SFC/FL110 S0834 E12248 - S0840 E12232 - S0829 E12226 - S0822 E12234 - S0829 E12248
E12232 - S0829 E12226 - S0822 E12234 - S0829 E12248
FCST VA CLD +12 HR: 29/1240Z SFC/FL110 S0835 E12248 - S0839 E12231 - S0830 E12230 - S0822 E12232 - S0830 E12248
E12231 - S0830 E12230 - S0822 E12232 - S0830 E12248
FCST VA CLD +18 HR: 29/1840Z SFC/FL110 S0834 E12248 - S0840 E12232 - S0829 E12227 - S0821 E12235 - S0830 E12248
E12232 - S0829 E12227 - S0821 E12235 - S0830 E12248
RMK: CVGHM GROUND REPORTS INDICATE ERUPTION WITH VA. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD
OBSCURATION. HEIGHT AND FORECAST BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250829/0655Z=
Volcanic Ash Advisory issued on 2025-08-28 at 18:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption with volcanic ash to flight level 80 (2400m) last observation before a break in coverage at a manual station reported at 28 0929 UTC move w.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration and darkness. Height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 18:54 UTC, 28/08/25 from ADRM
VA ADVISORY
DTG: 20250828/1855Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/508
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION WITH VA TO FL080 LAST REPORTED AT
28/0929Z MOV W
EST VA DTG: 28/1840Z
EST VA CLD: SFC/FL080 S0835 E12247 - S0834 E12227 - S0819 E12235 - S0832 E12249 MOV NW 05KT
E12235 - S0832 E12249 MOV NW 05KT
FCST VA CLD +6 HR: 29/0040Z SFC/FL080 S0835 E12248 - S0837 E12226 - S0820 E12230 - S0830 E12248
E12226 - S0820 E12230 - S0830 E12248
FCST VA CLD +12 HR: 29/0640Z SFC/FL080 S0834 E12248 - S0837 E12231 - S0829 E12226 - S0822 E12233 - S0829 E12248
E12231 - S0829 E12226 - S0822 E12233 - S0829 E12248
FCST VA CLD +18 HR: 29/1240Z SFC/FL080 S0834 E12248 - S0838 E12231 - S0827 E12231 - S0830 E12248
E12231 - S0827 E12231 - S0830 E12248
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD OBSCURATION AND DARKNESS. HEIGHT AND FORECAST BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250829/0055Z=
Volcanic Ash Advisory issued on 2025-08-28 at 12:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption with volcanic ash to flight level 80 (2400m) last observation before a break in coverage at a manual station reported at 28 0929 UTC move w.
  • Eruption with volcanic ash reported by cvghm at 28/0929z. Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration. Height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 12:56 UTC, 28/08/25 from ADRM
VA ADVISORY
DTG: 20250828/1255Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/507
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION WITH VA TO FL080 LAST REPORTED AT
28/0929Z MOV W
EST VA DTG: 28/1240Z
EST VA CLD: SFC/FL080 S0835 E12250 - S0842 E12217 - S0819 E12218 - S0829 E12250 MOV W 15KT
E12218 - S0829 E12250 MOV W 15KT
FCST VA CLD +6 HR: 28/1840Z SFC/FL080 S0836 E12249 - S0845 E12216 - S0812 E12218 - S0829 E12249
E12216 - S0812 E12218 - S0829 E12249
FCST VA CLD +12 HR: 29/0040Z SFC/FL080 S0836 E12249 - S0843 E12215 - S0814 E12220 - S0829 E12249
E12215 - S0814 E12220 - S0829 E12249
FCST VA CLD +18 HR: 29/0640Z SFC/FL080 S0834 E12249 - S0847 E12225 - S0833 E12214 - S0818 E12224 - S0829 E12249
E12225 - S0833 E12214 - S0818 E12224 - S0829 E12249
RMK: ERUPTION WITH VA REPORTED BY CVGHM AT 28/0929Z. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD
OBSCURATION. HEIGHT AND FORECAST BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250828/1855Z=
Volcanic Ash Advisory issued on 2025-08-28 at 09:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption with volcanic ash to flight level 80 (2400m) last observation before a break in coverage at a manual station reported at 28 0151 UTC move w.
  • Eruption with volcanic ash reported by cvghm. Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration. Height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 08:52 UTC, 28/08/25 from ADRM
VA ADVISORY
DTG: 20250828/0900Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/506
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION WITH VA TO FL080 LAST REPORTED AT
28/0151Z MOV W
EST VA DTG: 28/0840Z
EST VA CLD: SFC/FL080 S0836 E12249 - S0842 E12216 - S0813 E12218 - S0829 E12250 MOV NW 05KT
E12218 - S0829 E12250 MOV NW 05KT
FCST VA CLD +6 HR: 28/1440Z SFC/FL080 S0835 E12250 - S0845 E12217 - S0816 E12218 - S0829 E12250
E12217 - S0816 E12218 - S0829 E12250
FCST VA CLD +12 HR: 28/2040Z SFC/FL080 S0836 E12249 - S0845 E12216 - S0812 E12218 - S0829 E12249
E12216 - S0812 E12218 - S0829 E12249
FCST VA CLD +18 HR: 29/0240Z SFC/FL080 S0836 E12249 - S0843 E12215 - S0814 E12220 - S0829 E12249
E12215 - S0814 E12220 - S0829 E12249
RMK: ERUPTION WITH VA REPORTED BY CVGHM. VA NOT IDENTIFIABLE
ON SATELLITE IMAGERY DUE TO MET CLOUD OBSCURATION. HEIGHT
AND FORECAST BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250828/1500Z=
Volcanic Ash Advisory issued on 2025-08-28 at 03:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption with volcanic ash to flight level 80 (2400m) last observation before a break in coverage at a manual station reported at 28 0151 UTC move w.
  • Eruption with volcanic ash reported by cvghm. Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration. Height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 03:08 UTC, 28/08/25 from ADRM
VA ADVISORY
DTG: 20250828/0316Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/505
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION WITH VA TO FL080 LAST REPORTED AT
28/0151Z MOV W
EST VA DTG: 28/0300Z
EST VA CLD: SFC/FL080 S0836 E12249 - S0842 E12216 - S0812 E12221 - S0830 E12250 MOV W 10KT
E12221 - S0830 E12250 MOV W 10KT
FCST VA CLD +6 HR: 28/0900Z SFC/FL080 S0836 E12249 - S0842 E12216 - S0813 E12218 - S0829 E12250
E12216 - S0813 E12218 - S0829 E12250
FCST VA CLD +12 HR: 28/1500Z SFC/FL080 S0835 E12250 - S0845 E12217 - S0816 E12218 - S0829 E12250
E12217 - S0816 E12218 - S0829 E12250
FCST VA CLD +18 HR: 28/2100Z SFC/FL080 S0836 E12249 - S0845 E12216 - S0812 E12218 - S0829 E12249
E12216 - S0812 E12218 - S0829 E12249
RMK: ERUPTION WITH VA REPORTED BY CVGHM. VA NOT IDENTIFIABLE
ON SATELLITE IMAGERY DUE TO MET CLOUD OBSCURATION. HEIGHT
AND FORECAST BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250828/0916Z=
Volcanic Ash Advisory issued on 2025-08-27 at 21:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Discrete volcanic ash to flight level 80 (2400m) last observation before a break in coverage at a manual station reported at 27 1246 UTC.
  • Cvghm reported discrete volcanic ash eruptions. Volcanic ash not identifiable on satellite imagery due to darkness but is expected to dissipate 6-12 height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 21:24 UTC, 27/08/25 from ADRM
VA ADVISORY
DTG: 20250827/2120Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/504
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: DISCRETE VA TO FL080 LAST REPORTED AT
27/1246Z
EST VA DTG: 27/2140Z
EST VA CLD: SFC/FL080 S0832 E12253 - S0840 E12249 - S0828 E12151 - S0754 E12207 MOV NW 05KT
E12151 - S0754 E12207 MOV NW 05KT
FCST VA CLD +6 HR: 28/0340Z SFC/FL080 S0836 E12249 - S0842 E12216 - S0812 E12221 - S0830 E12250
E12216 - S0812 E12221 - S0830 E12250
FCST VA CLD +12 HR: 28/0940Z NO VA EXP
FCST VA CLD +18 HR: 28/1540Z NO VA EXP
RMK: CVGHM REPORTED DISCRETE VA ERUPTIONS. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO DARKNESS BUT IS
EXPECTED TO DISSIPATE WITHIN 6-12 HOURS. HEIGHT AND FORECAST
BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250828/0320Z=
Volcanic Ash Advisory issued on 2025-08-27 at 15:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Discrete volcanic ash to flight level 80 (2400m) last observation before a break in coverage at a manual station reported at 27 1246 UTC.
  • Cvghm reported discrete volcanic ash eruptions. Volcanic ash not identifiable on satellite imagery due to darkness but is expected to dissipate in 6 height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU01 at 15:33 UTC, 27/08/25 from ADRM
VA ADVISORY
DTG: 20250827/1540Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/503
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: DISCRETE VA TO FL080 LAST REPORTED AT
27/1246Z
EST VA DTG: 27/1520Z
EST VA CLD: SFC/FL080 S0835 E12251 - S0859 E12217 - S0819 E12203 - S0827 E12249 MOV W 10KT
E12203 - S0827 E12249 MOV W 10KT
FCST VA CLD +6 HR: 27/2120Z SFC/FL080 S0832 E12253 - S0840 E12249 - S0828 E12151 - S0754 E12207
E12249 - S0828 E12151 - S0754 E12207
FCST VA CLD +12 HR: 28/0320Z NO VA EXP
FCST VA CLD +18 HR: 28/0920Z NO VA EXP
RMK: CVGHM REPORTED DISCRETE VA ERUPTIONS. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO DARKNESS BUT IS
EXPECTED TO DISSIPATE IN 6 HOURS. HEIGHT AND FORECAST BASED
ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250827/2140Z=
Volcanic Ash Advisory issued on 2025-08-27 at 09:41 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Discrete volcanic ash to flight level 70 (2100m) observation at 27 0920 UTC move w.
  • Intermittent discrete volcanic ash eruptions identifiable on latest satellite imagery and expected to dissipate in 6 height and forecast based on satellite imagery and model guidance.

Original Message :

Received FVAU01 at 09:41 UTC, 27/08/25 from ADRM
VA ADVISORY
DTG: 20250827/0941Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/502
INFO SOURCE: HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: DISCRETE VA TO FL070 OBS AT 27/0920Z MOV W
OBS VA DTG: 27/0920Z
OBS VA CLD: SFC/FL070 S0833 E12248 - S0838 E12224 - S0826 E12224 - S0831 E12248 MOV W 15KT
E12224 - S0831 E12248 MOV W 15KT
FCST VA CLD +6 HR: 27/1520Z SFC/FL070 S0831 E12248 - S0835 E12248 - S0841 E12158 - S0819 E12158
E12248 - S0841 E12158 - S0819 E12158
FCST VA CLD +12 HR: 27/2120Z NO VA EXP
FCST VA CLD +18 HR: 28/0320Z NO VA EXP
RMK: INTERMITTENT DISCRETE VA ERUPTIONS IDENTIFIABLE ON
LATEST SATELLITE IMAGERY AND EXPECTED TO DISSIPATE IN 6
HOURS. HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250827/1541Z=
Volcanic Ash Advisory issued on 2025-08-26 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported at 25 1911 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud obscuration for greater than 12 no evidence of new or ongoing eruption. Advisory terminated due to lack of reports.

Original Message :

Received FVAU05 at 11:03 UTC, 26/08/25 from ADRM
VA ADVISORY
DTG: 20250826/1100Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/501
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 25/1911Z
EST VA DTG: 26/1040Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL100 110/10KT
SFC/FL100 110/10KT
FCST VA CLD +6 HR: 26/1640Z NO VA EXP
FCST VA CLD +12 HR: 26/2240Z NO VA EXP
FCST VA CLD +18 HR: 27/0440Z NO VA EXP
RMK: VA NOT IDENTIFIABLE ON SAT IMAGERY DUE TO MET CLOUD
OBSCURATION FOR GREATER THAN 12 HOURS. NO EVIDENCE OF NEW OR
ONGOING ERUPTION. ADVISORY TERMINATED DUE TO LACK OF
REPORTS.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-26 at 05:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported at 25 1911 UTC.
  • Volcanic ash not identifiable on satellite imagery. Ground reports suggest intermittent discrete eruptions are ongoing. Volcanic ash height and movement based on model guidance and ground reports.

Original Message :

Received FVAU05 at 05:06 UTC, 26/08/25 from ADRM
VA ADVISORY
DTG: 20250826/0515Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/500
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 25/1911Z
EST VA DTG: 26/0450Z
EST VA CLD: SFC/FL100 S0834 E12248 - S0838 E12228 - S0829 E12223 - S0823 E12230 - S0830 E12248 MOV W 15KT
E12223 - S0823 E12230 - S0830 E12248 MOV W 15KT
FCST VA CLD +6 HR: 26/1050Z SFC/FL100 S0835 E12248 - S0849 E12151 - S0828 E12140 - S0813 E12147 - S0828 E12248
E12151 - S0828 E12140 - S0813 E12147 - S0828 E12248
FCST VA CLD +12 HR: 26/1650Z SFC/FL100 S0837 E12248 - S0843 E12152 - S0825 E12141 - S0804 E12159 - S0829 E12249
E12152 - S0825 E12141 - S0804 E12159 - S0829 E12249
FCST VA CLD +18 HR: 26/2250Z SFC/FL100 S0834 E12250 - S0849 E12152 - S0827 E12139 - S0805 E12159 - S0829 E12250
E12152 - S0827 E12139 - S0805 E12159 - S0829 E12250
RMK: VA NOT IDENTIFIABLE ON SAT IMAGERY. GROUND REPORTS
SUGGEST INTERMITTENT DISCRETE ERUPTIONS ARE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON MODEL GUIDANCE AND GROUND
REPORTS.
NXT ADVISORY: NO LATER THAN 20250826/1115Z=
Volcanic Ash Advisory issued on 2025-08-25 at 23:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported at 25 1911 UTC.
  • Volcanic ash not identifiable on satellite imagery due to obscuration by meteorological cloud. Ground reports suggest intermittent discrete eruptions are ongoing. Volcanic ash height and movement based on model guidance and ground reports.

Original Message :

Received FVAU05 at 23:08 UTC, 25/08/25 from ADRM
VA ADVISORY
DTG: 20250825/2315Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/499
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 25/1911Z
EST VA DTG: 25/2300Z
EST VA CLD: SFC/FL100 S0834 E12248 - S0852 E12152 - S0834 E12139 - S0815 E12154 - S0830 E12248 MOV W 20KT
E12139 - S0815 E12154 - S0830 E12248 MOV W 20KT
FCST VA CLD +6 HR: 26/0500Z SFC/FL100 S0834 E12248 - S0841 E12152 - S0820 E12140 - S0802 E12200 - S0830 E12248
E12152 - S0820 E12140 - S0802 E12200 - S0830 E12248
FCST VA CLD +12 HR: 26/1100Z SFC/FL100 S0835 E12248 - S0849 E12154 - S0829 E12144 - S0813 E12156 - S0828 E12248
E12154 - S0829 E12144 - S0813 E12156 - S0828 E12248
FCST VA CLD +18 HR: 26/1700Z SFC/FL100 S0837 E12248 - S0843 E12152 - S0825 E12141 - S0804 E12159 - S0829 E12249
E12152 - S0825 E12141 - S0804 E12159 - S0829 E12249
RMK: VA NOT IDENTIFIABLE ON SAT IMAGERY DUE TO OBSCURATION
BY MET CLOUD. GROUND REPORTS SUGGEST INTERMITTENT DISCRETE
ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON MODEL
GUIDANCE AND GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20250826/0515Z=
Volcanic Ash Advisory issued on 2025-08-25 at 17:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported at 25 1224 UTC.
  • Volcanic ash not identifiable on satellite imagery due to obscuration by meteorological cloud. Ground reports suggest intermittent discrete eruptions are ongoing. Volcanic ash height and movement based on model guidance and ground reports.

Original Message :

Received FVAU05 at 17:13 UTC, 25/08/25 from ADRM
VA ADVISORY
DTG: 20250825/1715Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/498
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 25/1224Z
EST VA DTG: 25/1700Z
EST VA CLD: SFC/FL100 S0834 E12248 - S0846 E12156 - S0830 E12145 - S0815 E12157 - S0830 E12248 MOV W 15KT
E12145 - S0815 E12157 - S0830 E12248 MOV W 15KT
FCST VA CLD +6 HR: 25/2300Z SFC/FL100 S0834 E12248 - S0843 E12154 - S0828 E12145 - S0810 E12157 - S0830 E12248
E12154 - S0828 E12145 - S0810 E12157 - S0830 E12248
FCST VA CLD +12 HR: 26/0500Z SFC/FL100 S0834 E12248 - S0843 E12154 - S0828 E12145 - S0810 E12158 - S0830 E12248
E12154 - S0828 E12145 - S0810 E12158 - S0830 E12248
FCST VA CLD +18 HR: 26/1100Z SFC/FL100 S0833 E12248 - S0849 E12158 - S0834 E12145 - S0816 E12154 - S0830 E12248
E12158 - S0834 E12145 - S0816 E12154 - S0830 E12248
RMK: VA NOT IDENTIFIABLE ON SAT IMAGERY DUE TO OBSCURATION
BY MET CLOUD. GROUND REPORTS SUGGEST INTERMITTENT DISCRETE
ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON MODEL
GUIDANCE AND GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20250825/2315Z=
Volcanic Ash Advisory issued on 2025-08-25 at 11:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) move w last observation before a break in coverage at a manual station reported at 25 0900 UTC.
  • Volcanic ash not identifiable on satellite imagery due to obscuration by meteorological cloud. Reports by cvghm suggest intermittent discrete eruptions are ongoing. Volcanic ash height and movement based on model guidance and ground reports.

Original Message :

Received FVAU05 at 11:13 UTC, 25/08/25 from ADRM
VA ADVISORY
DTG: 20250825/1115Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/497
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL100 MOV W LAST REPORTED AT
25/0900Z
EST VA DTG: 25/1100Z
EST VA CLD: SFC/FL100 S0835 E12248 - S0856 E12157 - S0842 E12142 - S0824 E12151 - S0830 E12247 MOV W 15KT
E12142 - S0824 E12151 - S0830 E12247 MOV W 15KT
FCST VA CLD +6 HR: 25/1700Z SFC/FL100 S0834 E12248 - S0850 E12156 - S0834 E12142 - S0816 E12153 - S0829 E12248
E12156 - S0834 E12142 - S0816 E12153 - S0829 E12248
FCST VA CLD +12 HR: 25/2300Z SFC/FL100 S0834 E12248 - S0845 E12154 - S0827 E12143 - S0811 E12155 - S0830 E12248
E12154 - S0827 E12143 - S0811 E12155 - S0830 E12248
FCST VA CLD +18 HR: 26/0500Z SFC/FL100 S0834 E12248 - S0845 E12154 - S0827 E12143 - S0810 E12155 - S0830 E12248
E12154 - S0827 E12143 - S0810 E12155 - S0830 E12248
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO
OBSCURATION BY MET CLOUD. REPORTS BY CVGHM SUGGEST
INTERMITTENT DISCRETE ERUPTIONS ARE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON MODEL GUIDANCE AND GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20250825/1715Z=
Volcanic Ash Advisory issued on 2025-08-25 at 05:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash eruption last observation before a break in coverage at a manual station reported at 24 1730 UTC.
  • Volcanic ash not identifiable on satellite imagery due to obscuration by meteorological cloud. Reports by cvghm suggest intermittent discrete eruptions are ongoing. Volcanic ash height and movement based on model guidance and ground reports.

Original Message :

Received FVAU05 at 05:06 UTC, 25/08/25 from ADRM
VA ADVISORY
DTG: 20250825/0515Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/496
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 24/1730Z
EST VA DTG: 25/0500Z
EST VA CLD: SFC/FL100 S0835 E12247 - S0847 E12142 - S0828 E12129 - S0808 E12147 - S0828 E12249 MOV W 20KT
E12129 - S0808 E12147 - S0828 E12249 MOV W 20KT
FCST VA CLD +6 HR: 25/1100Z SFC/FL100 S0836 E12250 - S0854 E12154 - S0838 E12142 - S0822 E12150 - S0829 E12249
E12154 - S0838 E12142 - S0822 E12150 - S0829 E12249
FCST VA CLD +12 HR: 25/1700Z SFC/FL100 S0829 E12249 - S0837 E12250 - S0855 E12155 - S0839 E12141 - S0823 E12150
E12250 - S0855 E12155 - S0839 E12141 - S0823 E12150
FCST VA CLD +18 HR: 25/2300Z SFC/FL100 S0829 E12250 - S0837 E12250 - S0855 E12155 - S0835 E12138 - S0816 E12156
E12250 - S0855 E12155 - S0835 E12138 - S0816 E12156
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO
OBSCURATION BY MET CLOUD. REPORTS BY CVGHM SUGGEST
INTERMITTENT DISCRETE ERUPTIONS ARE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON MODEL GUIDANCE AND GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20250825/1115Z=
Volcanic Ash Advisory issued on 2025-08-24 at 23:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash eruption last observation before a break in coverage at a manual station reported at 24 1730 UTC.
  • Volcanic ash not identifiable on satellite imagery due to obscuration by meteorological cloud. Regular reports by cvghm suggest intermittent discrete eruptions are ongoing. Volcanic ash height and movement based on model guidance and ground reports.

Original Message :

Received FVAU05 at 23:15 UTC, 24/08/25 from ADRM
VA ADVISORY
DTG: 20250824/2315Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/495
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 24/1730Z
EST VA DTG: 24/2300Z
EST VA CLD: SFC/FL120 S0837 E12248 - S0841 E12144 - S0820 E12139 - S0805 E12152 - S0829 E12249 MOV W 25KT
E12139 - S0805 E12152 - S0829 E12249 MOV W 25KT
FCST VA CLD +6 HR: 25/0500Z SFC/FL120 S0835 E12247 - S0847 E12142 - S0828 E12129 - S0808 E12147 - S0828 E12249
E12142 - S0828 E12129 - S0808 E12147 - S0828 E12249
FCST VA CLD +12 HR: 25/1100Z SFC/FL120 S0829 E12249 - S0836 E12250 - S0854 E12154 - S0838 E12142 - S0822 E12150
E12250 - S0854 E12154 - S0838 E12142 - S0822 E12150
FCST VA CLD +18 HR: 25/1700Z SFC/FL120 S0829 E12249 - S0837 E12250 - S0855 E12155 - S0839 E12141 - S0823 E12150
E12250 - S0855 E12155 - S0839 E12141 - S0823 E12150
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO
OBSCURATION BY MET CLOUD. REGULAR REPORTS BY CVGHM SUGGEST
INTERMITTENT DISCRETE ERUPTIONS ARE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON MODEL GUIDANCE AND GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20250825/0515Z=
Volcanic Ash Advisory issued on 2025-08-24 at 17:18 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station reported at 24 1402 UTC move southwest.
  • Volcanic ash not identifiable on satellite img due to obscuration by meteorological cloud. Cvghm reported eruption with volcanic ash to 800m above summit. Volcanic ash height and movement based on model guidance and ground reports.

Original Message :

Received FVAU05 at 17:17 UTC, 24/08/25 from ADRM
VA ADVISORY
DTG: 20250824/1718Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/494
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL120 LAST REPORTED AT 24/1402Z MOV
SW
EST VA DTG: 24/1700Z
EST VA CLD: SFC/FL120 S0836 E12248 - S0843 E12227 - S0832 E12215 - S0819 E12229 - S0830 E12248 MOV W 15KT
E12215 - S0819 E12229 - S0830 E12248 MOV W 15KT
FCST VA CLD +6 HR: 24/2300Z SFC/FL120 S0835 E12247 - S0839 E12227 - S0828 E12215 - S0816 E12230 - S0829 E12249
E12227 - S0828 E12215 - S0816 E12230 - S0829 E12249
FCST VA CLD +12 HR: 25/0500Z SFC/FL120 S0835 E12247 - S0841 E12227 - S0830 E12214 - S0815 E12229 - S0828 E12249
E12227 - S0830 E12214 - S0815 E12229 - S0828 E12249
FCST VA CLD +18 HR: 25/1100Z SFC/FL120 S0836 E12248 - S0839 E12228 - S0828 E12214 - S0814 E12229 - S0828 E12249
E12228 - S0828 E12214 - S0814 E12229 - S0828 E12249
RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO OBSCURATION BY
MET CLOUD. CVGHM REPORTED ERUPTION WITH VA TO 800M ABOVE
SUMMIT. VA HEIGHT AND MOVEMENT BASED ON MODEL GUIDANCE AND
GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20250824/2318Z=
Volcanic Ash Advisory issued on 2025-08-24 at 11:18 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 120 (3600m) reported 24 0433 UTC move w.
  • Volcanic ash not identifiable on satellite img due to obscuration by meteorological cloud. Cvghm reported eruption with volcanic ash to 2000m above summit. Volcanic ash height and movement based on satellite img, model guidance and ground reports.

Original Message :

Received FVAU05 at 11:10 UTC, 24/08/25 from ADRM
VA ADVISORY
DTG: 20250824/1118Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/493
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL120 REPORTED 24/0433Z MOV W
EST VA DTG: 24/1100Z
EST VA CLD: SFC/FL120 S0835 E12247 - S0845 E12229 - S0831 E12216 - S0821 E12227 - S0829 E12248 MOV W 15KT
E12216 - S0821 E12227 - S0829 E12248 MOV W 15KT
FCST VA CLD +6 HR: 24/1700Z SFC/FL120 S0836 E12248 - S0843 E12227 - S0832 E12215 - S0819 E12229 - S0830 E12248
E12227 - S0832 E12215 - S0819 E12229 - S0830 E12248
FCST VA CLD +12 HR: 24/2300Z SFC/FL120 S0835 E12247 - S0839 E12227 - S0828 E12215 - S0816 E12230 - S0829 E12249
E12227 - S0828 E12215 - S0816 E12230 - S0829 E12249
FCST VA CLD +18 HR: 25/0500Z SFC/FL120 S0835 E12247 - S0841 E12227 - S0829 E12214 - S0815 E12229 - S0828 E12249
E12227 - S0829 E12214 - S0815 E12229 - S0828 E12249
RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO OBSCURATION BY
MET CLOUD. CVGHM REPORTED ERUPTION WITH VA TO 2000M ABOVE
SUMMIT. VA HEIGHT AND MOVEMENT BASED ON SAT IMG, MODEL
GUIDANCE AND GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20250824/1718Z=
Volcanic Ash Advisory issued on 2025-08-24 at 05:18 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of volcanic ash to flight level 120 (3600m) at 24 0433 UTC move w.
  • Discrete volcanic ash emission identifiable on most recent satellite img move to w, however area partially obscured by meteorological cloud. Extent of volcanic ash extrapolated based on model guidance, volcanic ash height and movement based on satellite img and model guidance and ground reports.

Original Message :

Received FVAU05 at 05:19 UTC, 24/08/25 from ADRM
VA ADVISORY
DTG: 20250824/0518Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/492
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: GROUND REPORT OF VA TO FL120 AT 24/0433Z
MOV W
EST VA DTG: 24/0450Z
EST VA CLD: SFC/FL120 S0830 E12248 - S0835 E12249 - S0851 E12232 - S0840 E12217 - S0825 E12224 MOV W 10KT
E12232 - S0840 E12217 - S0825 E12224 MOV W 10KT
FCST VA CLD +6 HR: 24/1050Z SFC/FL120 S0835 E12249 - S0846 E12229 - S0833 E12217 - S0821 E12227 - S0830 E12248
E12229 - S0833 E12217 - S0821 E12227 - S0830 E12248
FCST VA CLD +12 HR: 24/1650Z SFC/FL120 S0836 E12248 - S0842 E12227 - S0828 E12218 - S0818 E12229 - S0830 E12248
E12227 - S0828 E12218 - S0818 E12229 - S0830 E12248
FCST VA CLD +18 HR: 24/2250Z SFC/FL120 S0835 E12248 - S0839 E12227 - S0826 E12218 - S0816 E12230 - S0830 E12249
E12227 - S0826 E12218 - S0816 E12230 - S0830 E12249
RMK: DISCRETE VA EMISSION IDENTIFIABLE ON MOST RECENT SAT
IMG MOV TO W, HOWEVER AREA PARTIALLY OBSCURED BY MET CLOUD.
EXTENT OF VA POLYGON EXTRAPOLATED BASED ON MODEL GUIDANCE,
VA HEIGHT AND MOVEMENT BASED ON SAT IMG AND MODEL GUIDANCE
AND GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20250824/1118Z=
Volcanic Ash Advisory issued on 2025-08-24 at 01:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) observation at 24 0040 UTC move w.
  • Discrete volcanic ash emission identifiable on most recent satellite img move to w, however area partially obscured by meteorological cloud. Extent of volcanic ash extrapolated based on model guidance, volcanic ash height and movement based on satellite img and model guidance and ground reports.

Original Message :

Received FVAU05 at 01:04 UTC, 24/08/25 from ADRM
VA ADVISORY
DTG: 20250824/0110Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/491
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL100 OBS AT 24/0040Z MOV W
EST VA DTG: 24/0050Z
EST VA CLD: SFC/FL100 S0835 E12248 - S0840 E12228 - S0828 E12219 - S0821 E12232 - S0830 E12248 MOV W 10KT
E12219 - S0821 E12232 - S0830 E12248 MOV W 10KT
FCST VA CLD +6 HR: 24/0650Z SFC/FL100 S0835 E12248 - S0841 E12227 - S0828 E12217 - S0820 E12230 - S0830 E12248
E12227 - S0828 E12217 - S0820 E12230 - S0830 E12248
FCST VA CLD +12 HR: 24/1250Z SFC/FL100 S0835 E12248 - S0839 E12225 - S0827 E12217 - S0820 E12230 - S0830 E12248
E12225 - S0827 E12217 - S0820 E12230 - S0830 E12248
FCST VA CLD +18 HR: 24/1850Z SFC/FL100 S0836 E12248 - S0840 E12227 - S0828 E12218 - S0821 E12232 - S0830 E12248
E12227 - S0828 E12218 - S0821 E12232 - S0830 E12248
RMK: DISCRETE VA EMISSION IDENTIFIABLE ON MOST RECENT SAT
IMG MOV TO W, HOWEVER AREA PARTIALLY OBSCURED BY MET CLOUD.
EXTENT OF VA POLYGON EXTRAPOLATED BASED ON MODEL GUIDANCE,
VA HEIGHT AND MOVEMENT BASED ON SAT IMG AND MODEL GUIDANCE
AND GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20250824/0710Z=
Volcanic Ash Advisory issued on 2025-08-23 at 19:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) last observation before a break in coverage at a manual station reported 23 1402 UTC move southwest.
  • Volcanic ash not identifiable on latest satellite img due to meteorological cloud. Cvghm reported volcanic ash to 1500m above summit. Colour code downgraded to orange based on advice from cvghm. Volcanic ash height and movement based on ground report and model guidance. **corr to last observation before a break in coverage at a manual station reported.

Original Message :

Received FVAU05 at 20:26 UTC, 23/08/25 from ADRM
VA ADVISORY
DTG: 20250823/1910Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/490
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL100 LAST REPORTED 23/1402Z MOV SW
EST VA DTG: 23/1850Z
EST VA CLD: SFC/FL100 S0834 E12248 - S0851 E12213 - S0842 E12158 - S0823 E12207 - S0830 E12247 MOV W 15KT
E12158 - S0823 E12207 - S0830 E12247 MOV W 15KT
FCST VA CLD +6 HR: 24/0050Z SFC/FL100 S0834 E12249 - S0850 E12209 - S0835 E12155 - S0819 E12207 - S0828 E12247
E12209 - S0835 E12155 - S0819 E12207 - S0828 E12247
FCST VA CLD +12 HR: 24/0650Z SFC/FL100 S0835 E12249 - S0850 E12206 - S0832 E12153 - S0816 E12207 - S0829 E12248
E12206 - S0832 E12153 - S0816 E12207 - S0829 E12248
FCST VA CLD +18 HR: 24/1250Z SFC/FL100 S0833 E12249 - S0848 E12205 - S0828 E12154 - S0814 E12211 - S0829 E12248
E12205 - S0828 E12154 - S0814 E12211 - S0829 E12248
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMG DUE TO MET CLOUD.
CVGHM REPORTED VA TO 1500M ABOVE SUMMIT. COLOUR CODE
DOWNGRADED TO ORANGE BASED ON ADVICE FROM CVGHM. VA HEIGHT
AND MOVEMENT BASED ON GROUND REPORT AND MODEL GUIDANCE.
**CORR TO LAST REPORTED TIME.
NXT ADVISORY: NO LATER THAN 20250824/0110Z=
Volcanic Ash Advisory issued on 2025-08-23 at 13:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 70 (2100m) reported at 23 1006 UTC move southwest.
  • Volcanic ash not identifiable on latest satellite imagery due to obscuration by meteorological cloud. Cvghm reported eruption with volcanic ash to 600m above summit. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Received FVAU05 at 13:06 UTC, 23/08/25 from ADRM
VA ADVISORY
DTG: 20250823/1310Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/489
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL070 REPORTED AT 23/1006Z MOV SW
EST VA DTG: 23/1250Z
EST VA CLD: SFC/FL070 S0830 E12248 - S0834 E12250 - S0902 E12221 - S0857 E12205 - S0837 E12202 MOV SW 15KT
E12221 - S0857 E12205 - S0837 E12202 MOV SW 15KT
FCST VA CLD +6 HR: 23/1850Z SFC/FL070 S0834 E12248 - S0900 E12216 - S0851 E12159 - S0835 E12205 - S0830 E12247
E12216 - S0851 E12159 - S0835 E12205 - S0830 E12247
FCST VA CLD +12 HR: 24/0050Z SFC/FL070 S0834 E12249 - S0853 E12207 - S0839 E12155 - S0826 E12200 - S0828 E12247
E12207 - S0839 E12155 - S0826 E12200 - S0828 E12247
FCST VA CLD +18 HR: 24/0650Z SFC/FL070 S0835 E12249 - S0850 E12203 - S0839 E12150 - S0822 E12201 - S0829 E12248
E12203 - S0839 E12150 - S0822 E12201 - S0829 E12248
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
OBSCURATION BY MET CLOUD. CVGHM REPORTED ERUPTION WITH VA TO
600M ABOVE SUMMIT. VA HEIGHT AND MOVEMENT BASED ON GROUND
REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250823/1910Z=
Volcanic Ash Advisory issued on 2025-08-23 at 07:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 70 (2100m) at 23 0650 UTC move southwest.
  • Cvghm reported an eruption to 600m above summit at 23/0552z. Continuous volcanic ash emission observation on latest satellite imagery. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Received FVAU05 at 07:10 UTC, 23/08/25 from ADRM
VA ADVISORY
DTG: 20250823/0710Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/488
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA OBS TO FL070 AT 23/0650Z MOV SW
OBS VA DTG: 23/0650Z
OBS VA CLD: SFC/FL070 S0833 E12248 - S0857 E12236 - S0858 E12221 - S0843 E12222 - S0831 E12246 MOV SW 10KT
E12221 - S0843 E12222 - S0831 E12246 MOV SW 10KT
FCST VA CLD +6 HR: 23/1250Z SFC/FL070 S0831 E12246 - S0833 E12249 - S0902 E12221 - S0857 E12205 - S0839 E12207
E12249 - S0902 E12221 - S0857 E12205 - S0839 E12207
FCST VA CLD +12 HR: 23/1850Z SFC/FL070 S0834 E12248 - S0858 E12217 - S0851 E12159 - S0835 E12205 - S0830 E12247
E12217 - S0851 E12159 - S0835 E12205 - S0830 E12247
FCST VA CLD +18 HR: 24/0050Z SFC/FL070 S0834 E12249 - S0849 E12206 - S0837 E12154 - S0826 E12202 - S0831 E12247
E12206 - S0837 E12154 - S0826 E12202 - S0831 E12247
RMK: CVGHM REPORTED AN ERUPTION TO 600M ABOVE SUMMIT AT
23/0552Z. CONTINUOUS VA EMISSION OBS ON LATEST SATELLITE
IMAGERY. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORT AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250823/1310Z=
Volcanic Ash Advisory issued on 2025-08-23 at 05:08 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash last observation before a break in coverage at a manual station observation to flight level 90 (2700m) at 22 2330 UTC move southwest.
  • Cvghm reported eruption to 1000m above summit at 23/1302z. Volcanic ash obscured by meteorological cloud on latest satellite imagery. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Received FVAU05 at 05:03 UTC, 23/08/25 from ADRM
VA ADVISORY
DTG: 20250823/0508Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/487
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA LAST OBS TO FL090 AT 22/2330Z MOV SW
EST VA DTG: 23/0508Z
EST VA CLD: SFC/FL090 S0831 E12247 - S0833 E12249 - S0847 E12244 - S0838 E12232 MOV SW 10KT
E12244 - S0838 E12232 MOV SW 10KT
FCST VA CLD +6 HR: 23/1108Z SFC/FL090 S0831 E12247 - S0833 E12248 - S0843 E12239 - S0832 E12231
E12248 - S0843 E12239 - S0832 E12231
FCST VA CLD +12 HR: 23/1708Z SFC/FL090 S0834 E12248 - S0841 E12235 - S0829 E12233 - S0831 E12248
E12235 - S0829 E12233 - S0831 E12248
FCST VA CLD +18 HR: 23/2308Z SFC/FL090 S0834 E12248 - S0837 E12234 - S0827 E12234 - S0831 E12248
E12234 - S0827 E12234 - S0831 E12248
RMK: CVGHM REPORTED ERUPTION TO 1000M ABOVE SUMMIT AT
23/1302Z. VA OBSCURED BY MET CLOUD ON LATEST SATELLITE
IMAGERY. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORT AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250823/1108Z=
Volcanic Ash Advisory issued on 2025-08-22 at 23:08 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 90 (2700m) at 22 2240 UTC move southwest.
  • Cvghm reported multiple eruptions to 1000m above summit at 23/1302z. Volcanic ash observation on latest satellite imagery. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Received FVAU05 at 23:10 UTC, 22/08/25 from ADRM
VA ADVISORY
DTG: 20250822/2308Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/486
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA OBS TO FL090 AT 22/2240Z MOV SW
OBS VA DTG: 22/2240Z
OBS VA CLD: SFC/FL090 S0833 E12248 - S0838 E12238 - S0833 E12236 - S0831 E12247 MOV SW 10KT
E12236 - S0831 E12247 MOV SW 10KT
FCST VA CLD +6 HR: 23/0440Z SFC/FL090 S0831 E12247 - S0832 E12249 - S0847 E12245 - S0837 E12232
E12249 - S0847 E12245 - S0837 E12232
FCST VA CLD +12 HR: 23/1040Z SFC/FL090 S0831 E12247 - S0833 E12249 - S0844 E12241 - S0832 E12231
E12249 - S0844 E12241 - S0832 E12231
FCST VA CLD +18 HR: 23/1640Z SFC/FL090 S0834 E12248 - S0841 E12235 - S0828 E12233 - S0831 E12248
E12235 - S0828 E12233 - S0831 E12248
RMK: CVGHM REPORTED MULTIPLE ERUPTIONS TO 1000M ABOVE SUMMIT
AT 23/1302Z. VA OBS ON LATEST SATELLITE IMAGERY. VA HEIGHT
AND MOVEMENT BASED ON GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250823/0508Z=
Volcanic Ash Advisory issued on 2025-08-22 at 17:08 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) move southwest.
  • Cvghm reported multiple eruption to 1000m above summit , volcanic ash not identifiable on satellite imagery due to meteorological cloud. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Received FVAU05 at 17:00 UTC, 22/08/25 from ADRM
VA ADVISORY
DTG: 20250822/1708Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/485
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL090 MOV SOUTHWEST
EST VA DTG: 22/1640Z
EST VA CLD: SFC/FL090 S0831 E12248 - S0833 E12249 - S0851 E12235 - S0832 E12227 MOV SW 10KT
E12235 - S0832 E12227 MOV SW 10KT
FCST VA CLD +6 HR: 22/2240Z SFC/FL090 S0831 E12247 - S0833 E12249 - S0851 E12235 - S0832 E12227
E12249 - S0851 E12235 - S0832 E12227
FCST VA CLD +12 HR: 23/0440Z SFC/FL090 S0831 E12247 - S0833 E12249 - S0854 E12244 - S0840 E12227
E12249 - S0854 E12244 - S0840 E12227
FCST VA CLD +18 HR: 23/1040Z SFC/FL090 S0831 E12246 - S0832 E12249 - S0854 E12244 - S0839 E12226
E12249 - S0854 E12244 - S0839 E12226
RMK: CVGHM REPORTED MULTIPLE ERUPTION TO 1000M ABV SUMMIT ,
VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD.
VA HEIGHT AND MOVEMENT BASED ON GROUND REPORT AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250822/2308Z=
Volcanic Ash Advisory issued on 2025-08-22 at 11:09 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) move southwest.
  • Cvghm reported eruption to 1000m above summit , volcanic ash not identifiable on satellite imagery due to meteorological cloud. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Received FVAU05 at 11:09 UTC, 22/08/25 from ADRM
VA ADVISORY
DTG: 20250822/1109Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/484
INFO SOURCE: CVGHM. HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL090 MOV SOUTHWEST
EST VA DTG: 22/1024Z
EST VA CLD: SFC/FL090 S0831 E12248 - S0834 E12248 - S0850 E12235 - S0833 E12228 MOV SW 10KT
E12235 - S0833 E12228 MOV SW 10KT
FCST VA CLD +6 HR: 22/1624Z SFC/FL090 S0831 E12248 - S0833 E12249 - S0851 E12235 - S0833 E12228
E12249 - S0851 E12235 - S0833 E12228
FCST VA CLD +12 HR: 22/2224Z SFC/FL090 S0831 E12247 - S0833 E12249 - S0851 E12235 - S0833 E12229
E12249 - S0851 E12235 - S0833 E12229
FCST VA CLD +18 HR: 23/0424Z SFC/FL090 S0831 E12247 - S0834 E12250 - S0852 E12234 - S0833 E12228
E12250 - S0852 E12234 - S0833 E12228
RMK: CVGHM REPORTED ERUPTION TO 1000M ABV SUMMIT , VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD. VA
HEIGHT AND MOVEMENT BASED ON GROUND REPORT AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250822/1709Z=
Volcanic Ash Advisory issued on 2025-08-21 at 23:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move north last observation before a break in coverage at a manual station observation at 21 0030 UTC.
  • Volcanic ash has not been identifiable on satellite imagery for the last observation before a break in coverage at a manual station 24 current data sources do not indicate an ongoing eruption although steam/smoke emission persists near summit. Advisory terminated due to lack of reports.

Original Message :

Received FVAU05 at 23:19 UTC, 21/08/25 from ADRM
VA ADVISORY
DTG: 20250821/2320Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/483
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV N LAST OBS AT 21/0030Z
EST VA DTG: 21/2300Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL080 080/10KT
SFC/FL080 080/10KT
FCST VA CLD +6 HR: 22/0500Z NO VA EXP
FCST VA CLD +12 HR: 22/1100Z NO VA EXP
FCST VA CLD +18 HR: 22/1700Z NO VA EXP
RMK: VA HAS NOT BEEN IDENTIFIABLE ON SAT IMAGERY FOR THE
LAST 24 HOURS. CURRENT DATA SOURCES DO NOT INDICATE AN
ONGOING ERUPTION ALTHOUGH STEAM/SMOKE EMISSION PERSISTS NEAR
SUMMIT. ADVISORY TERMINATED DUE TO LACK OF REPORTS.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-21 at 17:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move north last observation before a break in coverage at a manual station observation at 21 0030 UTC.
  • Volcanic ash not identifiable on latest satellite imagery due to meteorological cloud. Height and movement based on satellite imagery and model guidance.

Original Message :

Received FVAU05 at 17:15 UTC, 21/08/25 from ADRM
VA ADVISORY
DTG: 20250821/1720Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/482
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV N LAST OBS AT 21/0030Z
EST VA DTG: 21/1650Z
EST VA CLD: SFC/FL080 S0833 E12247 - S0844 E12234 - S0831 E12228 - S0831 E12247 MOV SW 10KT
E12228 - S0831 E12247 MOV SW 10KT
FCST VA CLD +6 HR: 21/2250Z SFC/FL080 S0833 E12247 - S0839 E12230 - S0825 E12230 - S0831 E12247
E12230 - S0825 E12230 - S0831 E12247
FCST VA CLD +12 HR: 22/0450Z SFC/FL080 S0833 E12247 - S0839 E12230 - S0826 E12230 - S0831 E12247
E12230 - S0826 E12230 - S0831 E12247
FCST VA CLD +18 HR: 22/1050Z SFC/FL080 S0833 E12247 - S0839 E12230 - S0825 E12230 - S0831 E12247
E12230 - S0825 E12230 - S0831 E12247
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET
CLOUD. HEIGHT AND MOVEMENT BASED ON SAT IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250821/2320Z=
Volcanic Ash Advisory issued on 2025-08-21 at 11:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move north last observation before a break in coverage at a manual station observation at 21 0030 UTC.
  • Volcanic ash not identifiable on latest satellite imagery due to meteorological cloud. Height and movement based on satellite imagery and model guidance.

Original Message :

Received FVAU05 at 11:10 UTC, 21/08/25 from ADRM
VA ADVISORY
DTG: 20250821/1120Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/481
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV N LAST OBS AT 21/0030Z
EST VA DTG: 21/1050Z
EST VA CLD: SFC/FL080 S0833 E12247 - S0837 E12229 - S0823 E12231 - S0832 E12247 MOV W 10KT
E12231 - S0832 E12247 MOV W 10KT
FCST VA CLD +6 HR: 21/1650Z SFC/FL080 S0833 E12247 - S0844 E12234 - S0831 E12228 - S0831 E12247
E12234 - S0831 E12228 - S0831 E12247
FCST VA CLD +12 HR: 21/2250Z SFC/FL080 S0833 E12247 - S0839 E12230 - S0825 E12230 - S0831 E12247
E12230 - S0825 E12230 - S0831 E12247
FCST VA CLD +18 HR: 22/0450Z SFC/FL080 S0833 E12247 - S0839 E12230 - S0826 E12230 - S0831 E12247
E12230 - S0826 E12230 - S0831 E12247
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET
CLOUD. HEIGHT AND MOVEMENT BASED ON SAT IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250821/1720Z=
Volcanic Ash Advisory issued on 2025-08-21 at 05:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move north last observation before a break in coverage at a manual station observation at 21 0030 UTC.
  • Volcanic ash not identifiable on latest satellite imagery due to meteorological cloud. Height and movement based on satellite imagery and model guidance.

Original Message :

Received FVAU05 at 05:18 UTC, 21/08/25 from ADRM
VA ADVISORY
DTG: 20250821/0520Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/480
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV N LAST OBS AT 21/0030Z
EST VA DTG: 21/0500Z
EST VA CLD: SFC/FL080 S0834 E12246 - S0827 E12233 - S0819 E12242 - S0833 E12247 MOV NW 05KT
E12242 - S0833 E12247 MOV NW 05KT
FCST VA CLD +6 HR: 21/1100Z SFC/FL080 S0833 E12247 - S0837 E12229 - S0823 E12231 - S0832 E12247
E12229 - S0823 E12231 - S0832 E12247
FCST VA CLD +12 HR: 21/1700Z SFC/FL080 S0833 E12247 - S0844 E12234 - S0831 E12228 - S0831 E12247
E12234 - S0831 E12228 - S0831 E12247
FCST VA CLD +18 HR: 21/2300Z SFC/FL080 S0833 E12247 - S0839 E12230 - S0825 E12230 - S0831 E12247
E12230 - S0825 E12230 - S0831 E12247
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET
CLOUD. HEIGHT AND MOVEMENT BASED ON SAT IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250821/1120Z=
Volcanic Ash Advisory issued on 2025-08-20 at 23:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move north observation at 20 2300 UTC.
  • Volcanic ash identifiable on latest satellite imagery moving north. Height and move based on satellite imagery and model guidance.

Original Message :

Received FVAU05 at 23:20 UTC, 20/08/25 from ADRM
VA ADVISORY
DTG: 20250820/2320Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/479
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV N OBS AT 20/2300Z
OBS VA DTG: 20/2300Z
OBS VA CLD: SFC/FL080 S0834 E12246 - S0821 E12235 - S0817 E12248 - S0833 E12248 MOV N 05KT
E12248 - S0833 E12248 MOV N 05KT
FCST VA CLD +6 HR: 21/0500Z SFC/FL080 S0834 E12246 - S0826 E12230 - S0816 E12241 - S0833 E12248
E12230 - S0816 E12241 - S0833 E12248
FCST VA CLD +12 HR: 21/1100Z SFC/FL080 S0833 E12247 - S0839 E12229 - S0824 E12228 - S0831 E12247
E12229 - S0824 E12228 - S0831 E12247
FCST VA CLD +18 HR: 21/1700Z SFC/FL080 S0833 E12247 - S0842 E12231 - S0829 E12227 - S0831 E12247
E12231 - S0829 E12227 - S0831 E12247
RMK: VA IDENTIFIABLE ON LATEST SAT IMAGERY MOVING N. HEIGHT
AND MOV BASED ON SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250821/0520Z=
Volcanic Ash Advisory issued on 2025-08-20 at 17:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move north east.
  • Volcanic ash not identifiable on satellite imagery but minor volcanic ash eruptions could be ongoing. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 17:11 UTC, 20/08/25 from ADRM
VA ADVISORY
DTG: 20250820/1720Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/478
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV NE
EST VA DTG: 20/1700Z
EST VA CLD: SFC/FL080 S0834 E12243 - S0810 E12244 - S0808 E12256 - S0817 E12305 - S0835 E12248 MOV NE 10KT
E12256 - S0817 E12305 - S0835 E12248 MOV NE 10KT
FCST VA CLD +6 HR: 20/2300Z SFC/FL080 S0834 E12248 - S0834 E12244 - S0813 E12236 - S0806 E12248 - S0814 E12301
E12244 - S0813 E12236 - S0806 E12248 - S0814 E12301
FCST VA CLD +12 HR: 21/0500Z SFC/FL080 S0838 E12241 - S0824 E12229 - S0815 E12239 - S0822 E12253 - S0837 E12252
E12229 - S0815 E12239 - S0822 E12253 - S0837 E12252
FCST VA CLD +18 HR: 21/1100Z SFC/FL080 S0830 E12249 - S0836 E12249 - S0844 E12223 - S0824 E12221
E12249 - S0844 E12223 - S0824 E12221
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY BUT MINOR VA
ERUPTIONS COULD BE ONGOING. HEIGHT AND MOV BASED ON GROUND
REPORTS, SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250820/2320Z=
Volcanic Ash Advisory issued on 2025-08-20 at 11:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move north.
  • Minor eruption with volcanic ash plume observation on satellite move north of summit. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 11:13 UTC, 20/08/25 from ADRM
VA ADVISORY
DTG: 20250820/1120Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/477
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV N
OBS VA DTG: 20/1100Z
OBS VA CLD: SFC/FL080 S0834 E12244 - S0812 E12238 - S0806 E12248 - S0813 E12300 - S0834 E12248 MOV N 10KT
E12248 - S0813 E12300 - S0834 E12248 MOV N 10KT
FCST VA CLD +6 HR: 20/1700Z SFC/FL080 S0834 E12244 - S0811 E12241 - S0807 E12254 - S0816 E12303 - S0835 E12248
E12241 - S0807 E12254 - S0816 E12303 - S0835 E12248
FCST VA CLD +12 HR: 20/2300Z SFC/FL080 S0834 E12248 - S0834 E12244 - S0813 E12236 - S0806 E12248 - S0814 E12301
E12244 - S0813 E12236 - S0806 E12248 - S0814 E12301
FCST VA CLD +18 HR: 21/0500Z SFC/FL080 S0837 E12242 - S0825 E12232 - S0816 E12241 - S0822 E12253 - S0837 E12251
E12232 - S0816 E12241 - S0822 E12253 - S0837 E12251
RMK: MINOR ERUPTION WITH VA PLUME OBS ON SAT MOV NORTH OF
SUMMIT. HEIGHT AND MOV BASED ON GROUND REPORTS, SAT IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250820/1720Z=
Volcanic Ash Advisory issued on 2025-08-20 at 05:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move north east.
  • Minor eruption with volcanic ash plume move northeast of summit. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 05:13 UTC, 20/08/25 from ADRM
VA ADVISORY
DTG: 20250820/0520Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/476
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV NE
OBS VA DTG: 20/0450Z
OBS VA CLD: SFC/FL080 S0834 E12245 - S0815 E12246 - S0813 E12300 - S0825 E12305 - S0835 E12247 MOV NE 05KT
E12300 - S0825 E12305 - S0835 E12247 MOV NE 05KT
FCST VA CLD +6 HR: 20/1050Z SFC/FL080 S0834 E12247 - S0834 E12244 - S0812 E12239 - S0806 E12252 - S0813 E12302 - S0825 E12305
E12305
FCST VA CLD +12 HR: 20/1650Z SFC/FL080 S0834 E12244 - S0813 E12238 - S0806 E12252 - S0814 E12301 - S0835 E12248
E12238 - S0806 E12252 - S0814 E12301 - S0835 E12248
FCST VA CLD +18 HR: 20/2250Z SFC/FL080 S0834 E12248 - S0834 E12244 - S0813 E12238 - S0806 E12252 - S0814 E12301
E12244 - S0813 E12238 - S0806 E12252 - S0814 E12301
RMK: MINOR ERUPTION WITH VA PLUME MOV NORTHEAST OF SUMMIT.
HEIGHT AND MOV BASED ON GROUND REPORTS, SAT IMAGERY AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250820/1120Z=
Volcanic Ash Advisory issued on 2025-08-19 at 23:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move north east.
  • Minor eruption with volcanic ash plume move northeast of summit. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 23:14 UTC, 19/08/25 from ADRM
VA ADVISORY
DTG: 20250819/2320Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/475
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV NE
EST VA DTG: 19/2250Z
EST VA CLD: SFC/FL080 S0835 E12247 - S0835 E12243 - S0814 E12235 - S0807 E12245 - S0812 E12257 - S0827 E12302 MOV NE 05KT
05KT
FCST VA CLD +6 HR: 20/0450Z SFC/FL080 S0834 E12245 - S0815 E12234 - S0807 E12249 - S0818 E12303 - S0835 E12248
E12234 - S0807 E12249 - S0818 E12303 - S0835 E12248
FCST VA CLD +12 HR: 20/1050Z SFC/FL080 S0835 E12244 - S0812 E12239 - S0806 E12252 - S0813 E12302 - S0835 E12248
E12239 - S0806 E12252 - S0813 E12302 - S0835 E12248
FCST VA CLD +18 HR: 20/1650Z SFC/FL080 S0834 E12244 - S0813 E12238 - S0806 E12252 - S0812 E12302 - S0835 E12248
E12238 - S0806 E12252 - S0812 E12302 - S0835 E12248
RMK: MINOR ERUPTION WITH VA PLUME MOV NORTHEAST OF SUMMIT.
HEIGHT AND MOV BASED ON GROUND REPORTS, SAT IMAGERY AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250820/0520Z=
Volcanic Ash Advisory issued on 2025-08-19 at 17:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) observation 19 0450 UTC move north east.
  • Minor eruption with volcanic ash plume move northeast observed on 19 0450 UTC visibility satellite imagery. Volcanic ash not dtected on current satellite imagery. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 17:12 UTC, 19/08/25 from ADRM
VA ADVISORY
DTG: 20250819/1720Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/474
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 OBS 19/0450Z MOV NE
EST VA DTG: 19/1700Z
EST VA CLD: SFC/FL080 S0836 E12247 - S0834 E12243 - S0810 E12244 - S0812 E12303 - S0828 E12304 MOV NE 10KT
E12244 - S0812 E12303 - S0828 E12304 MOV NE 10KT
FCST VA CLD +6 HR: 19/2300Z SFC/FL080 S0835 E12247 - S0835 E12243 - S0814 E12234 - S0807 E12245 - S0812 E12257 - S0824 E12302
E12302
FCST VA CLD +12 HR: 20/0500Z SFC/FL080 S0836 E12248 - S0836 E12244 - S0815 E12234 - S0807 E12249 - S0818 E12303
E12244 - S0815 E12234 - S0807 E12249 - S0818 E12303
FCST VA CLD +18 HR: 20/1100Z SFC/FL080 S0835 E12248 - S0835 E12242 - S0812 E12239 - S0806 E12252 - S0813 E12302
E12242 - S0812 E12239 - S0806 E12252 - S0813 E12302
RMK: MINOR ERUPTION WITH VA PLUME MOV NORTHEAST OBSERVED ON
19/0450Z VIS SATELLITE IMAGERY. VA NOT DTECTED ON CURRENT
SAT IMAGERY. HEIGHT AND MOV BASED ON GROUND REPORTS, SAT
IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250819/2320Z=
Volcanic Ash Advisory issued on 2025-08-19 at 11:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) moving north.
  • Minor eruption with volcanic ash plume move northeast observed on 19 0450 UTC visibility satellite imagery. Volcanic ash currently obscured by meteorological cloud. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 11:16 UTC, 19/08/25 from ADRM
VA ADVISORY
DTG: 20250819/1120Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/473
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOVING N
EST VA DTG: 19/1100Z
EST VA CLD: SFC/FL080 S0835 E12248 - S0835 E12243 - S0817 E12231 - S0806 E12241 - S0812 E12257 - S0826 E12259 MOV N 10KT
10KT
FCST VA CLD +6 HR: 19/1700Z SFC/FL080 S0835 E12248 - S0835 E12244 - S0815 E12234 - S0806 E12244 - S0811 E12300 - S0826 E12302
E12302
FCST VA CLD +12 HR: 19/2300Z SFC/FL080 S0835 E12247 - S0835 E12243 - S0814 E12234 - S0807 E12245 - S0812 E12257 - S0824 E12302
E12302
FCST VA CLD +18 HR: 20/0500Z SFC/FL080 S0836 E12244 - S0815 E12234 - S0807 E12249 - S0818 E12303 - S0836 E12248
E12234 - S0807 E12249 - S0818 E12303 - S0836 E12248
RMK: MINOR ERUPTION WITH VA PLUME MOV NORTHEAST OBSERVED ON
19/0450Z VIS SATELLITE IMAGERY. VA CURRENTLY OBSCURED BY MET
CLOUD. HEIGHT AND MOV BASED ON GROUND REPORTS, SAT IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250819/1720Z=
Volcanic Ash Advisory issued on 2025-08-19 at 05:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) moving north east.
  • Minor eruption with volcanic ash plume move northeast observed on visibility satellite imagery. Volcanic ash partially obscured by meteorological cloud. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 05:10 UTC, 19/08/25 from ADRM
VA ADVISORY
DTG: 20250819/0520Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/472
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOVING NE
EST VA DTG: 19/0450Z
EST VA CLD: SFC/FL080 S0835 E12245 - S0820 E12233 - S0809 E12246 - S0815 E12256 - S0829 E12300 MOV NE 05KT
E12246 - S0815 E12256 - S0829 E12300 MOV NE 05KT
FCST VA CLD +6 HR: 19/1050Z SFC/FL080 S0834 E12248 - S0835 E12245 - S0817 E12231 - S0806 E12241 - S0812 E12257 - S0826 E12259
E12259
FCST VA CLD +12 HR: 19/1650Z SFC/FL080 S0835 E12245 - S0816 E12230 - S0806 E12241 - S0812 E12256 - S0827 E12300
E12230 - S0806 E12241 - S0812 E12256 - S0827 E12300
FCST VA CLD +18 HR: 19/2250Z SFC/FL080 S0835 E12245 - S0816 E12230 - S0806 E12240 - S0812 E12256 - S0827 E12300
E12230 - S0806 E12240 - S0812 E12256 - S0827 E12300
RMK: MINOR ERUPTION WITH VA PLUME MOV NORTHEAST OBSERVED ON
VIS SATELLITE IMAGERY. VA PARTIALLY OBSCURED BY MET CLOUD.
HEIGHT AND MOV BASED ON GROUND REPORTS, SAT IMAGERY AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250819/1120Z=
Volcanic Ash Advisory issued on 2025-08-18 at 23:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Contunuous volcanic ash to flight level 80 (2400m) extending north east.
  • Continuous volcanic ash to flight level 80 (2400m) move northeast observed on visibility satellite imagery. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 23:16 UTC, 18/08/25 from ADRM
VA ADVISORY
DTG: 20250818/2320Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/471
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: CONTUNUOUS VA TO FL080 EXTENDING NE
EST VA DTG: 18/2250Z
EST VA CLD: SFC/FL080 S0835 E12244 - S0819 E12232 - S0809 E12243 - S0814 E12256 - S0832 E12258 - S0835 E12248 MOV NE 05KT
05KT
FCST VA CLD +6 HR: 19/0450Z SFC/FL080 S0835 E12245 - S0821 E12229 - S0806 E12246 - S0815 E12256 - S0832 E12301
E12229 - S0806 E12246 - S0815 E12256 - S0832 E12301
FCST VA CLD +12 HR: 19/1050Z SFC/FL080 S0834 E12248 - S0835 E12245 - S0818 E12229 - S0806 E12241 - S0812 E12257
E12245 - S0818 E12229 - S0806 E12241 - S0812 E12257
FCST VA CLD +18 HR: 19/1650Z SFC/FL080 S0835 E12245 - S0818 E12228 - S0806 E12240 - S0813 E12257 - S0834 E12248
E12228 - S0806 E12240 - S0813 E12257 - S0834 E12248
RMK: CONTINUOUS VA TO FL080 MOV NORTHEAST OBSERVED ON VIS
SATELLITE IMAGERY. HEIGHT AND MOV BASED ON GROUND REPORTS,
SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250819/0520Z=
Volcanic Ash Advisory issued on 2025-08-18 at 17:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 250 (7500m) move sw, volcanic ash to flight level 80 (2400m) move n, observation at 18 1700 UTC.
  • Discrete volcanic ash eruption to flight level 250 (7500m) reported at 18 0912 UTC and expected to dissipate 6 hours. Continuous volcanic ash to flight level 80 (2400m) move north not identifiable on satellite due to meteorological cloud. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 17:14 UTC, 18/08/25 from ADRM
VA ADVISORY
DTG: 20250818/1720Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/470
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL250 MOV SW, VA TO FL080 MOV N, OBS
AT 18/1700Z
EST VA DTG: 18/1700Z
EST VA CLD: SFC/FL080 S0835 E12245 - S0817 E12230 - S0806 E12241 - S0812 E12254 - S0834 E12249 MOV N 05KT SFC/FL250 S0846 E12213 - S0952 E12323 - S1035 E12249 - S0956 E12057 - S0848 E12048 - S0832 E12131 MOV SW 10KT
S0848 E12048 - S0832 E12131 MOV SW 10KT
FCST VA CLD +6 HR: 18/2300Z SFC/FL080 S0835 E12245 - S0816 E12231 - S0806 E12241 - S0812 E12254 - S0834 E12249
E12231 - S0806 E12241 - S0812 E12254 - S0834 E12249
FCST VA CLD +12 HR: 19/0500Z SFC/FL080 S0835 E12245 - S0817 E12230 - S0806 E12241 - S0812 E12254 - S0834 E12249
E12230 - S0806 E12241 - S0812 E12254 - S0834 E12249
FCST VA CLD +18 HR: 19/1100Z SFC/FL080 S0835 E12245 - S0817 E12230 - S0806 E12241 - S0812 E12254 - S0834 E12248
E12230 - S0806 E12241 - S0812 E12254 - S0834 E12248
RMK: DISCRETE VA ERUPTION TO FL250 REPORTED AT 18/0912Z AND
EXPECTED TO DISSIPATE WITHIN 6 HRS. CONTINUOUS VA TO FL080
MOV N NOT IDENTIFIABLE ON SAT DUE TO MET CLOUD. HEIGHT AND
MOV BASED ON GROUND REPORTS, SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250818/2320Z=
Volcanic Ash Advisory issued on 2025-08-18 at 14:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 250 (7500m) move sw, volcanic ash to flight level 80 (2400m) move nw, observation at 18 1400 UTC.
  • Discrete volcanic ash eruption to flight level 250 (7500m) reported at 18 0912 UTC and expected to dissipate 6-9 hours. Continuous volcanic ash to flight level 80 (2400m) move nw not identifiable on satellite due to meteorological cloud. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 14:15 UTC, 18/08/25 from ADRM
VA ADVISORY
DTG: 20250818/1420Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/469
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL250 MOV SW, VA TO FL080 MOV NW,
OBS AT 18/1400Z
OBS VA DTG: 18/1400Z
OBS VA CLD: SFC/FL080 S0836 E12246 - S0824 E12223 - S0813 E12229 - S0812 E12241 - S0833 E12249 MOV NW 05KT SFC/FL250 S0822 E12219 - S0946 E12258 - S1004 E12218 - S0935 E12134 - S0832 E12148 MOV SW 10KT
S0832 E12148 MOV SW 10KT
FCST VA CLD +6 HR: 18/2000Z SFC/FL080 S0835 E12245 - S0817 E12230 - S0806 E12241 - S0812 E12254 - S0834 E12249 SFC/FL250 S0805 E12217 - S1014 E12350 - S1121 E12254 - S1050 E12059 - S0849 E12024 - S0750 E12127
E12059 - S0849 E12024 - S0750 E12127
FCST VA CLD +12 HR: 19/0200Z SFC/FL080 S0835 E12245 - S0816 E12230 - S0806 E12241 - S0812 E12254 - S0834 E12248
E12230 - S0806 E12241 - S0812 E12254 - S0834 E12248
FCST VA CLD +18 HR: 19/0800Z SFC/FL080 S0835 E12245 - S0816 E12231 - S0806 E12241 - S0812 E12254 - S0834 E12249
E12231 - S0806 E12241 - S0812 E12254 - S0834 E12249
RMK: DISCRETE VA ERUPTION TO FL250 REPORTED AT 18/0912Z AND
EXPECTED TO DISSIPATE WITHIN 6-9 HRS. CONTINUOUS VA TO FL080
MOV NW NOT IDENTIFIABLE ON SAT DUE TO MET CLOUD. HEIGHT AND
MOV BASED ON GROUND REPORTS, SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250818/1720Z=
Volcanic Ash Advisory issued on 2025-08-18 at 11:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 250 (7500m) move w, volcanic ash to flight level 80 (2400m) move nw, observation at 17 1100 UTC.
  • Discrete volcanic ash to flight level 250 (7500m) reported at 18 0912 UTC from ground and expected to dissipate 12 hours. Continuous volcanic ash to flight level 80 (2400m) move nw not identifiable on satellite due to meteorological cloud. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 11:17 UTC, 18/08/25 from ADRM
VA ADVISORY
DTG: 20250818/1120Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/468
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL250 MOV W, VA TO FL080 MOV NW, OBS
AT 17/1100Z
OBS VA DTG: 18/1100Z
OBS VA CLD: SFC/FL080 S0836 E12247 - S0829 E12224 - S0814 E12225 - S0813 E12241 - S0833 E12250 MOV NW 05KT SFC/FL250 S0833 E12245 - S0900 E12246 - S0903 E12230 - S0816 E12212 - S0818 E12232 MOV W 10KT
S0818 E12232 MOV W 10KT
FCST VA CLD +6 HR: 18/1700Z SFC/FL080 S0836 E12245 - S0816 E12229 - S0804 E12241 - S0812 E12257 - S0835 E12250 SFC/FL250 S0859 E12252 - S0936 E12244 - S0945 E12152 - S0846 E12112 - S0752 E12128 - S0800 E12219
E12112 - S0752 E12128 - S0800 E12219
FCST VA CLD +12 HR: 18/2300Z SFC/FL080 S0836 E12246 - S0816 E12229 - S0804 E12241 - S0813 E12256 - S0835 E12249
E12229 - S0804 E12241 - S0813 E12256 - S0835 E12249
FCST VA CLD +18 HR: 19/0500Z SFC/FL080 S0836 E12245 - S0816 E12229 - S0804 E12241 - S0812 E12255 - S0836 E12250
E12229 - S0804 E12241 - S0812 E12255 - S0836 E12250
RMK: DISCRETE VA TO FL250 REPORTED AT 18/0912Z FROM GROUND
AND EXPECTED TO DISSIPATE WITHIN 12 HRS. CONTINUOUS VA TO
FL080 MOV NW NOT IDENTIFIABLE ON SAT DUE TO MET CLOUD.
HEIGHT AND MOV BASED ON GROUND REPORTS, SAT IMAGERY AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250818/1420Z=
Volcanic Ash Advisory issued on 2025-08-18 at 09:35 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 250 (7500m) move w, volcanic ash to flight level 80 (2400m) move nw observation at 17 0920 UTC.
  • New eruption to flight level 250 (7500m) reported by ground observation at 18 0912 UTC move w. Continuous volcanic ash to flight level 80 (2400m) move nw. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 09:35 UTC, 18/08/25 from ADRM
VA ADVISORY
DTG: 20250818/0935Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/467
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL250 MOV W, VA TO FL080 MOV NW OBS
AT 17/0920Z
OBS VA DTG: 18/0920Z
OBS VA CLD: SFC/FL080 S0841 E12250 - S0830 E12202 - S0802 E12158 - S0749 E12231 - S0829 E12257 MOV NW 10KT SFC/FL250 S0837 E12248 - S0835 E12238 - S0825 E12241 - S0829 E12251 MOV W 05KT
MOV W 05KT
FCST VA CLD +6 HR: 18/1520Z SFC/FL080 S0840 E12251 - S0832 E12202 - S0802 E12158 - S0751 E12234 - S0832 E12258 SFC/FL250 S0756 E12250 - S0912 E12248 - S0919 E12225 - S0824 E12128 - S0722 E12225
E12128 - S0722 E12225
FCST VA CLD +12 HR: 18/2120Z SFC/FL080 S0841 E12251 - S0830 E12202 - S0802 E12158 - S0749 E12233 - S0831 E12258 SFC/FL250 S0918 E12303 - S0933 E12241 - S0810 E12038 - S0651 E12153
E12153
FCST VA CLD +18 HR: 19/0320Z SFC/FL080 S0841 E12243 - S0754 E12220 - S0737 E12244 - S0754 E12306 - S0841 E12254 SFC/FL250 S0908 E12319 - S0936 E12245 - S0756 E11949 - S0657 E12104 - S0717 E12225
E12104 - S0717 E12225
RMK: NEW ERUPTION TO FL250 REPORTED BY GROUND OBS AT
18/0912Z MOV W. CONTINUOUS VA TO FL080 MOV NW. HEIGHT AND
MOV BASED ON GROUND REPORTS, SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250818/1135Z=
Volcanic Ash Advisory issued on 2025-08-18 at 08:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 180 (5400m) move w observation at 17 0830 UTC.
  • Volcanic ash to flight level 300 (9000m) from eruption reported by cvghm at 17/1821 has dissipated. Eruption to flight level 180 (5400m) move w reported 18/011z expected to be ongoing. Height and move based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 08:52 UTC, 18/08/25 from ADRM
VA ADVISORY
DTG: 20250818/0850Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/466
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL180 MOV W OBS AT 17/0830Z
OBS VA DTG: 18/0830Z
OBS VA CLD: SFC/FL180 S0839 E12258 - S0913 E12217 - S0906 E12112 - S0741 E12130 - S0823 E12259 MOV W 10KT
E12112 - S0741 E12130 - S0823 E12259 MOV W 10KT
FCST VA CLD +6 HR: 18/1430Z SFC/FL180 S0841 E12300 - S0857 E12151 - S0823 E12111 - S0708 E12141 - S0818 E12301
E12151 - S0823 E12111 - S0708 E12141 - S0818 E12301
FCST VA CLD +12 HR: 18/2030Z SFC/FL180 S0843 E12258 - S0848 E12146 - S0752 E12116 - S0704 E12207 - S0818 E12305
E12146 - S0752 E12116 - S0704 E12207 - S0818 E12305
FCST VA CLD +18 HR: 19/0230Z SFC/FL180 S0844 E12254 - S0812 E12134 - S0727 E12145 - S0702 E12234 - S0829 E12309
E12134 - S0727 E12145 - S0702 E12234 - S0829 E12309
RMK: VA TO FL300 FROM ERUPTION REPORTED BY CVGHM AT 17/1821
HAS DISSIPATED. ERUPTION TO FL180 MOV W REPORTED 18/011Z
EXPECTED TO BE ONGOING. HEIGHT AND MOV BASED ON GROUND
REPORTS, SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250818/1450Z=
Volcanic Ash Advisory issued on 2025-08-18 at 06:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 300 (9000m) move southwest and volcanic ash to flight level 180 (5400m) move w observation at 17 0550 UTC.
  • Cvghm rep volcanic ash eruptions at 17 1638 UTC and 17 1821 UTC to 300, observation on satellite moving southwest and dissipating. Continuous eruption to flight level 180 (5400m) last observation before a break in coverage at a manual station reported 18 0111 UTC move w. Height and forecast based on ground rep, satellite imagery and dispersion model guidance.

Original Message :

Received FVAU05 at 06:09 UTC, 18/08/25 from ADRM
VA ADVISORY
DTG: 20250818/0610Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/465
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL300 MOV SW AND VA TO FL180 MOV W
OBS AT 17/0550Z
OBS VA DTG: 18/0550Z
OBS VA CLD: SFC/FL180 S0841 E12257 - S0934 E12233 - S0926 E12114 - S0752 E12109 - S0817 E12257 MOV W 15KT SFC/FL300 S0857 E12155 - S1123 E12359 - S1151 E12324 - S1030 E12137 - S0932 E12035 MOV SW 10KT
S0932 E12035 MOV SW 10KT
FCST VA CLD +6 HR: 18/1150Z SFC/FL180 S0839 E12259 - S0950 E12209 - S0923 E12051 - S0746 E12106 - S0819 E12258 SFC/FL300 S0856 E12150 - S1140 E12342 - S1154 E12306 - S0936 E12043
E12043
FCST VA CLD +12 HR: 18/1750Z SFC/FL180 S0841 E12300 - S0944 E12146 - S0853 E12057 - S0725 E12122 - S0824 E12302
E12146 - S0853 E12057 - S0725 E12122 - S0824 E12302
FCST VA CLD +18 HR: 18/2350Z SFC/FL180 S0843 E12258 - S0913 E12136 - S0821 E12049 - S0727 E12131 - S0818 E12304
E12136 - S0821 E12049 - S0727 E12131 - S0818 E12304
RMK: CVGHM REP VA ERUPTIONS AT 17/1638Z AND 17/1821Z TO
FL300, OBS ON SAT MOVING SW AND DISSIPATING. CONTINUOUS
ERUPTION TO FL180 LAST REPORTED 18/0111Z MOV W. HEIGHT AND
FORECAST BASED ON GROUND REP, SAT IMAGERY AND DISPERSION
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250818/0910Z=
Volcanic Ash Advisory issued on 2025-08-18 at 03:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 320 (9600m) move southwest and volcanic ash to flight level 180 (5400m) move w observation at 17 0250 UTC.
  • Cvghm rep volcanic ash eruptions at 17 1638 UTC and 17/1821z. Volcanic ash emission area to flight level 320 (9600m) observation on satellite moving southwest. Continuous eruption to flight level 180 (5400m) last observation before a break in coverage at a manual station reported 18/0111z. Height and forecast based on ground rep, satellite imagery and dispersion model guidance.

Original Message :

Received FVAU05 at 03:09 UTC, 18/08/25 from ADRM
VA ADVISORY
DTG: 20250818/0310Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/464
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL320 MOV SW AND VA TO FL180 MOV W
OBS AT 17/0250Z
OBS VA DTG: 18/0250Z
OBS VA CLD: SFC/FL180 S0823 E12256 - S0844 E12257 - S0914 E12243 - S0913 E12154 - S0804 E12142 MOV W 15KT SFC/FL320 S0803 E12209 - S1132 E12339 - S1155 E12233 - S0840 E12050 - S0747 E12140 MOV SW 10KT
S0747 E12140 MOV SW 10KT
FCST VA CLD +6 HR: 18/0850Z SFC/FL180 S0841 E12257 - S0932 E12242 - S0930 E12133 - S0757 E12124 - S0817 E12257 SFC/FL320 S0800 E12125 - S1128 E12352 - S1155 E12226 - S0834 E11955 - S0751 E12052
E11955 - S0751 E12052
FCST VA CLD +12 HR: 18/1450Z SFC/FL180 S0839 E12259 - S0950 E12223 - S0948 E12127 - S0740 E12117 - S0819 E12258 SFC/FL320 S0744 E12101 - S1052 E12301 - S1103 E12124 - S0851 E11936 - S0744 E11947
E11936 - S0744 E11947
FCST VA CLD +18 HR: 18/2050Z SFC/FL180 S0841 E12300 - S0947 E12233 - S0948 E12116 - S0728 E12119 - S0824 E12302
E12233 - S0948 E12116 - S0728 E12119 - S0824 E12302
RMK: CVGHM REP VA ERUPTIONS AT 17/1638Z AND 17/1821Z. VA
EMISSION AREA TO FL320 OBS ON SAT MOVING SW. CONTINUOUS
ERUPTION TO FL180 LAST REPORTED 18/0111Z. HEIGHT AND
FORECAST BASED ON GROUND REP, SAT IMAGERY AND DISPERSION
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250818/0610Z=
Volcanic Ash Advisory issued on 2025-08-18 at 00:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 320 (9600m) and volcanic ash to flight level 170 (5100m) move southwest observation at 17 2350 UTC.
  • Cvghm rep volcanic ash eruptions at 17 1638 UTC and 17/1821z. Volcanic ash emission area to flight level 320 (9600m) observation on satellite moving southwest. Continuous eruption to flight level 170 (5100m) reported 17/2323z. Height and forecast based on ground rep, satellite imagery and dispersion model guidance.

Original Message :

Received FVAU05 at 00:07 UTC, 18/08/25 from ADRM
VA ADVISORY
DTG: 20250818/0010Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/463
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL320 AND VA TO FL170 MOV SW OBS AT
17/2350Z
OBS VA DTG: 17/2350Z
OBS VA CLD: SFC/FL170 S0825 E12251 - S0833 E12256 - S0911 E12227 - S0835 E12206 MOV SW 15KT SFC/FL320 S0825 E12226 - S1025 E12310 - S1129 E12233 - S0818 E12052 - S0757 E12145 MOV SW 10KT
MOV SW 10KT
FCST VA CLD +6 HR: 18/0550Z SFC/FL170 S0835 E12300 - S0928 E12207 - S0830 E12138 - S0818 E12250 SFC/FL320 S0830 E12211 - S1031 E12316 - S1147 E12221 - S0839 E12037 - S0747 E12122
- S1031 E12316 - S1147 E12221 - S0839 E12037 - S0747 E12122
FCST VA CLD +12 HR: 18/1150Z SFC/FL170 S0833 E12301 - S0938 E12154 - S0828 E12118 - S0810 E12248 SFC/FL320 S0828 E12131 - S1102 E12315 - S1155 E12202 - S0839 E11950 - S0802 E12029
- S1102 E12315 - S1155 E12202 - S0839 E11950 - S0802 E12029
FCST VA CLD +18 HR: 18/1750Z SFC/FL170 S0835 E12300 - S0953 E12146 - S0837 E12105 - S0812 E12250 SFC/FL320 S0802 E12051 - S1105 E12255 - S1158 E12144 - S0937 E11935 - S0754 E11951
- S1105 E12255 - S1158 E12144 - S0937 E11935 - S0754 E11951
RMK: CVGHM REP VA ERUPTIONS AT 17/1638Z AND 17/1821Z. VA
EMISSION AREA TO FL320 OBS ON SAT MOVING SW. CONTINUOUS
ERUPTION TO FL170 REPORTED 17/2323Z. HEIGHT AND FORECAST
BASED ON GROUND REP, SAT IMAGERY AND DISPERSION MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250818/0310Z=
Volcanic Ash Advisory issued on 2025-08-17 at 22:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 320 (9600m) move southwest observation at 17 2150 UTC.
  • Cvghm reported volcanic ash eruptions at 17 1638 UTC and 17/1821z. Merged volcanic ash emission area to flight level 320 (9600m) observed on latest satellite imagery moving southwest. Height and forecast based on ground reports, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 22:12 UTC, 17/08/25 from ADRM
VA ADVISORY
DTG: 20250817/2210Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/462
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL320 MOV SW OBS AT 17/2150Z
OBS VA DTG: 17/2150Z
OBS VA CLD: SFC/FL320 S0819 E12250 - S0938 E12322 - S1029 E12222 - S0812 E12118 - S0759 E12220 MOV SW 15KT
E12222 - S0812 E12118 - S0759 E12220 MOV SW 15KT
FCST VA CLD +6 HR: 18/0350Z SFC/FL320 S0828 E12251 - S0949 E12324 - S1046 E12224 - S0808 E12016 - S0715 E12128
E12324 - S1046 E12224 - S0808 E12016 - S0715 E12128
FCST VA CLD +12 HR: 18/0950Z SFC/FL320 S0825 E12249 - S0952 E12343 - S1038 E12249 - S0853 E12010 - S0744 E12101
E12343 - S1038 E12249 - S0853 E12010 - S0744 E12101
FCST VA CLD +18 HR: 18/1550Z SFC/FL320 S0842 E12308 - S1028 E12304 - S0904 E11932 - S0733 E11957 - S0752 E12205
E12304 - S0904 E11932 - S0733 E11957 - S0752 E12205
RMK: CVGHM REPORTED VA ERUPTIONS AT 17/1638Z AND 17/1821Z.
MERGED VA EMISSION AREA TO FL320 OBSERVED ON LATEST
SATELLITE IMAGERY MOVING SW. HEIGHT AND FORECAST BASED ON
GROUND REPORTS, SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250818/0010Z=
Volcanic Ash Advisory issued on 2025-08-17 at 21:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 320 (9600m) move southwest and volcanic ash to flight level 260 (7800m) move southwest observation at 17 2050 UTC.
  • Cvghm reported volcanic ash eruptions at 17 1638 UTC and to 17/1821z. Multiple volcanic ash emissions observed on latest satellite imagery. Volcanic ash to flight level 260 (7800m) expected to dissipate 12-18 height and forecast based on ground report, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 21:04 UTC, 17/08/25 from ADRM
VA ADVISORY
DTG: 20250817/2110Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/461
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL320 MOV SW AND VA TO FL260 MOV SW
OBS AT 17/2050Z
OBS VA DTG: 17/2050Z
OBS VA CLD: SFC/FL260 S0759 E12159 - S0949 E12246 - S1002 E12211 - S0814 E12130 MOV SW 20KT SFC/FL320 S0812 E12230 - S0858 E12302 - S0920 E12228 - S0823 E12205 MOV SW 20KT
S0858 E12302 - S0920 E12228 - S0823 E12205 MOV SW 20KT
FCST VA CLD +6 HR: 18/0250Z SFC/FL260 S0939 E12222 - S1109 E12247 - S1127 E12108 - S0751 E12032 - S0738 E12118 SFC/FL320 S0752 E12136 - S1026 E12242 - S1043 E12131 - S0804 E12042
E12042
FCST VA CLD +12 HR: 18/0850Z SFC/FL260 S0717 E12044 - S1105 E12320 - S1128 E12125 - S0806 E11936 SFC/FL320 S0801 E12200 - S1003 E12311 - S1053 E12136 - S1034 E12103 - S0819 E12005 - S0735 E12057
- S0735 E12057
FCST VA CLD +18 HR: 18/1450Z SFC/FL320 S0952 E12343 - S1104 E12244 - S0838 E11936 - S0719 E12024
E12244 - S0838 E11936 - S0719 E12024
RMK: CVGHM REPORTED VA ERUPTIONS AT 17/1638Z AND TO
17/1821Z. MULTIPLE VA EMISSIONS OBSERVED ON LATEST SATELLITE
IMAGERY. VA TO FL260 EXPECTED TO DISSIPATE WITHIN 12-18
HOURS. HEIGHT AND FORECAST BASED ON GROUND REPORT, SATELLITE
IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250817/2210Z=
Volcanic Ash Advisory issued on 2025-08-17 at 20:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 320 (9600m) move southwest and volcanic ash to flight level 260 (7800m) move southwest observation at 17 1950 UTC.
  • Cvghm reported volcanic ash eruptions at 17 1638 UTC and to 17/1821z. Multiple volcanic ash emissions observed on latest satellite imagery. Height and forecast based on ground report, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 20:05 UTC, 17/08/25 from ADRM
VA ADVISORY
DTG: 20250817/2010Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/460
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL320 MOV SW AND VA TO FL260 MOV SW
OBS AT 17/1950Z
OBS VA DTG: 17/1950Z
OBS VA CLD: SFC/FL260 S0809 E12211 - S0933 E12245 - S0945 E12220 - S0817 E12138 MOV SW 20KT SFC/FL320 S0848 E12253 - S0910 E12234 - S0820 E12219 - S0810 E12243 MOV SW 20KT
S0910 E12234 - S0820 E12219 - S0810 E12243 MOV SW 20KT
FCST VA CLD +6 HR: 18/0150Z SFC/FL260 S0949 E12225 - S1103 E12237 - S1105 E12118 - S0749 E12029 - S0735 E12125 SFC/FL320 S0755 E12215 - S1022 E12310 - S1030 E12210 - S0804 E12110
E12110
FCST VA CLD +12 HR: 18/0750Z SFC/FL260 S0717 E12044 - S1106 E12320 - S1129 E12126 - S0805 E11936 SFC/FL320 S0758 E12203 - S0937 E12338 - S1032 E12240 - S0825 E12005 - S0726 E12107
- S0937 E12338 - S1032 E12240 - S0825 E12005 - S0726 E12107
FCST VA CLD +18 HR: 18/1350Z SFC/FL260 S0812 E12154 - S1112 E12348 - S1142 E12319 - S0955 E12039 - S0820 E11934 - S0746 E12048 SFC/FL320 S0946 E12348 - S1043 E12300 - S0842 E11933 - S0642 E12019
- S0642 E12019
RMK: CVGHM REPORTED VA ERUPTIONS AT 17/1638Z AND TO
17/1821Z. MULTIPLE VA EMISSIONS OBSERVED ON LATEST SATELLITE
IMAGERY. HEIGHT AND FORECAST BASED ON GROUND REPORT,
SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250817/2110Z=
Volcanic Ash Advisory issued on 2025-08-17 at 19:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 320 (9600m) move southwest and volcanic ash to flight level 260 (7800m) move southwest observation at 17 1850 UTC.
  • Cvghm reported volcanic ash eruptions at 17 1638 UTC and to 17/1821z. Multiple volcanic ash emissions observed on latest satellite imagery. Height and forecast based on ground report, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 19:05 UTC, 17/08/25 from ADRM
VA ADVISORY
DTG: 20250817/1910Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/459
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL320 MOV SW AND VA TO FL260 MOV SW
OBS AT 17/1850Z
OBS VA DTG: 17/1850Z
OBS VA CLD: SFC/FL260 S0816 E12227 - S0908 E12248 - S0914 E12221 - S0825 E12204 MOV SW 20KT SFC/FL320 S0827 E12246 - S0841 E12249 - S0842 E12238 - S0829 E12236 MOV SW 20KT
S0841 E12249 - S0842 E12238 - S0829 E12236 MOV SW 20KT
FCST VA CLD +6 HR: 18/0050Z SFC/FL260 S0735 E12127 - S1020 E12257 - S1100 E12129 - S0750 E12030 SFC/FL320 S0915 E12242 - S0926 E12153 - S0806 E12127 - S0756 E12203
- S0926 E12153 - S0806 E12127 - S0756 E12203
FCST VA CLD +12 HR: 18/0650Z SFC/FL260 S1025 E12320 - S1128 E12135 - S0827 E11930 - S0725 E12053 SFC/FL320 S0933 E12301 - S1012 E12120 - S0747 E12016 - S0723 E12126
- S1012 E12120 - S0747 E12016 - S0723 E12126
FCST VA CLD +18 HR: 18/1250Z SFC/FL260 S0812 E12156 - S1014 E12339 - S1117 E12231 - S0838 E11923 - S0747 E12018 SFC/FL320 S0901 E12322 - S1016 E12219 - S0842 E11935 - S0624 E12021
E12021
RMK: CVGHM REPORTED VA ERUPTIONS AT 17/1638Z AND TO
17/1821Z. MULTIPLE VA EMISSIONS OBSERVED ON LATEST SATELLITE
IMAGERY. HEIGHT AND FORECAST BASED ON GROUND REPORT,
SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250817/2010Z=
Volcanic Ash Advisory issued on 2025-08-17 at 18:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 320 (9600m) observation at 17 1750 UTC move southwest.
  • Cvghm reported volcanic ash eruption to flight level 320 (9600m) at 17/1638z. Volcanic ash observed on latest satellite imagery. Height and forecast based on ground report, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 18:11 UTC, 17/08/25 from ADRM
VA ADVISORY
DTG: 20250817/1815Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/458
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL320 OBS AT 17/1750Z MOV SW
OBS VA DTG: 17/1750Z
OBS VA CLD: SFC/FL320 S0824 E12232 - S0850 E12248 - S0859 E12229 - S0831 E12216 MOV SW 20KT
E12229 - S0831 E12216 MOV SW 20KT
FCST VA CLD +6 HR: 17/2350Z SFC/FL320 S0805 E12208 - S1016 E12303 - S1050 E12149 - S0816 E12044
E12303 - S1050 E12149 - S0816 E12044
FCST VA CLD +12 HR: 18/0550Z SFC/FL320 S0753 E12133 - S1026 E12326 - S1124 E12155 - S0834 E11947
E12326 - S1124 E12155 - S0834 E11947
FCST VA CLD +18 HR: 18/1150Z SFC/FL320 S0812 E12156 - S1015 E12339 - S1117 E12230 - S0838 E11923 - S0747 E12018
E12339 - S1117 E12230 - S0838 E11923 - S0747 E12018
RMK: CVGHM REPORTED VA ERUPTION TO FL320 AT 17/1638Z. VA
OBSERVED ON LATEST SATELLITE IMAGERY. HEIGHT AND FORECAST
BASED ON GROUND REPORT, SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250817/1915Z=
Volcanic Ash Advisory issued on 2025-08-17 at 17:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 320 (9600m) observation at 17 1700 UTC.
  • Cvghm reported volcanic ash eruption to flight level 320 (9600m) at 17/1638z. Volcanic ash observed on latest satellite imagery. Height and forecast based on ground report, satellite imagery and model guidance.

Original Message :

Received FVAU05 at 17:14 UTC, 17/08/25 from ADRM
VA ADVISORY
DTG: 20250817/1715Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/457
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL320 OBS AT 17/1700Z
OBS VA DTG: 17/1700Z
OBS VA CLD: SFC/FL320 S0836 E12248 - S0840 E12238 - S0831 E12235 - S0829 E12246 MOV W 15KT
E12235 - S0829 E12246 MOV W 15KT
FCST VA CLD +6 HR: 17/2300Z SFC/FL320 S0815 E12246 - S0857 E12253 - S0931 E12149 - S0832 E12115 - S0750 E12159
E12253 - S0931 E12149 - S0832 E12115 - S0750 E12159
FCST VA CLD +12 HR: 18/0500Z SFC/FL320 S0839 E12232 - S0937 E12236 - S0950 E12112 - S0844 E11957 - S0722 E12046 - S0720 E12139
E12139
FCST VA CLD +18 HR: 18/1100Z SFC/FL320 S0908 E12342 - S1034 E12225 - S0821 E11848 - S0648 E11946
E12225 - S0821 E11848 - S0648 E11946
RMK: CVGHM REPORTED VA ERUPTION TO FL320 AT 17/1638Z. VA
OBSERVED ON LATEST SATELLITE IMAGERY. HEIGHT AND FORECAST
BASED ON GROUND REPORT, SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250817/1815Z=
Volcanic Ash Advisory issued on 2025-08-17 at 16:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 320 (9600m) reported to 17 1638 UTC.
  • Cvghm reported volcanic ash eruption to flight level 320 (9600m) volcanic ash not yet identifiable on satellite imagery. A more detailed advisory to follow shortly.

Original Message :

Received FVAU05 at 16:55 UTC, 17/08/25 from ADRM
VA ADVISORY
DTG: 20250817/1655Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/456
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL320 REPORTED TO 17/1638Z
EST VA DTG: 17/1655Z
EST VA CLD: SFC/FL320 S0835 E12250 - S0835 E12241 - S0829 E12241 - S0829 E12250 MOV W 20KT
E12241 - S0829 E12250 MOV W 20KT
FCST VA CLD +6 HR: 17/2255Z NOT AVBL
FCST VA CLD +12 HR: 18/0455Z NOT AVBL
FCST VA CLD +18 HR: 18/1055Z NOT AVBL
RMK: CVGHM REPORTED VA ERUPTION TO FL320. VA NOT YET
IDENTIFIABLE ON SATELLITE IMAGERY. A MORE DETAILED ADVISORY
TO FOLLOW SHORTLY.
NXT ADVISORY: NO LATER THAN 20250817/1715Z=
Volcanic Ash Advisory issued on 2025-08-17 at 16:44 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station observation at 17 1330 UTC move w.
  • Volcanic ash is no longer discernible on satellite imagery and believed to have dissipated. No further evidence of current volcanic ash emissions. Advisory terminated.

Original Message :

Received FVAU05 at 16:44 UTC, 17/08/25 from ADRM
VA ADVISORY
DTG: 20250817/1644Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/455
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL090 LAST OBS AT 17/1330Z MOV W
EST VA DTG: 17/1644Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL090 090/10KT
SFC/FL090 090/10KT
FCST VA CLD +6 HR: 17/2244Z NO VA EXP
FCST VA CLD +12 HR: 18/0444Z NO VA EXP
FCST VA CLD +18 HR: 18/1044Z NO VA EXP
RMK: VA IS NO LONGER DISCERNIBLE ON SATELLITE IMAGERY AND
BELIEVED TO HAVE DISSIPATED. NO FURTHER EVIDENCE OF CURRENT
VA EMISSIONS. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-17 at 10:57 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) reported at 17 1030 UTC move southwest.
  • Cvghm reported discrete volcanic ash eruption to flight level 90 (2700m) volcanic ash not yet visible on latest satellite imagery but is expected to dissipate 6-12 height and forecast based on ground reports and model guidance.

Original Message :

Received FVAU05 at 10:57 UTC, 17/08/25 from ADRM
VA ADVISORY
DTG: 20250817/1057Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/454
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL090 REPORTED AT 17/1030Z MOV SW
EST VA DTG: 17/1040Z
EST VA CLD: SFC/FL090 S0831 E12246 - S0834 E12248 - S0837 E12242 - S0832 E12239 MOV SW 10KT
E12242 - S0832 E12239 MOV SW 10KT
FCST VA CLD +6 HR: 17/1640Z SFC/FL090 S0830 E12247 - S0834 E12249 - S0855 E12225 - S0906 E12145 - S0813 E12144 - S0830 E12247
E12247
FCST VA CLD +12 HR: 17/2240Z NO VA EXP
FCST VA CLD +18 HR: 18/0440Z NO VA EXP
RMK: CVGHM REPORTED DISCRETE VA ERUPTION TO FL090. VA NOT
YET VISIBLE ON LATEST SATELLITE IMAGERY BUT IS EXPECTED TO
DISSIPATE WITHIN 6-12 HOURS. HEIGHT AND FORECAST BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250817/1657Z=
Volcanic Ash Advisory issued on 2025-08-13 at 18:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash last observation before a break in coverage at a manual station reported from ground at 13 0947 UTC.
  • Volcanic ash unidentifiable on satellite imagery for the past 12 hours due to meteorological cloud. Current data sources do not indicate an ongoing eruption. Advisory terminated due to lack of reports.

Original Message :

Received FVAU01 at 18:47 UTC, 13/08/25 from ADRM
VA ADVISORY
DTG: 20250813/1856Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/453
INFO SOURCE: CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA LAST REPORTED FM GROUND AT 13/0947Z
EST VA DTG: 13/1840Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL060 090/10KT
SFC/FL060 090/10KT
FCST VA CLD +6 HR: 14/0040Z NO VA EXP
FCST VA CLD +12 HR: 14/0640Z NO VA EXP
FCST VA CLD +18 HR: 14/1240Z NO VA EXP
RMK: VA UNIDENTIFIABLE ON SATELLITE IMAGERY FOR THE PAST 12
HOURS DUE TO MET CLOUD. CURRENT DATA SOURCES DO NOT INDICATE
AN ONGOING ERUPTION. ADVISORY TERMINATED DUE TO LACK OF
REPORTS.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-13 at 12:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of volcanic ash to flight level 60 (1800m) at 13 0947 UTC move w.
  • Cvghm reported an eruption to 200m above the summit. Discrete volcanic ash visible on recent satellite imagery. Volcanic ash expected to dissipate 6 volcanic ash height and movement based on ground report and model guidance.

Original Message :

Received FVAU05 at 12:48 UTC, 13/08/25 from ADRM
VA ADVISORY
DTG: 20250813/1256Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/452
INFO SOURCE: CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: GROUND REPORT OF VA TO FL060 AT 13/0947Z
MOV W
EST VA DTG: 13/1240Z
EST VA CLD: SFC/FL060 S0835 E12248 - S0838 E12226 - S0830 E12223 - S0822 E12227 - S0831 E12248 MOV W 15KT
E12223 - S0822 E12227 - S0831 E12248 MOV W 15KT
FCST VA CLD +6 HR: 13/1840Z NO VA EXP
FCST VA CLD +12 HR: 14/0040Z NO VA EXP
FCST VA CLD +18 HR: 14/0640Z NO VA EXP
RMK: CVGHM REPORTED AN ERUPTION TO 200M ABOVE THE SUMMIT.
DISCRETE VA VISIBLE ON RECENT SATELLITE IMAGERY. VA EXPECTED
TO DISSIPATE WITHIN 6 HOURS. VA HEIGHT AND MOVEMENT BASED ON
GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250813/1856Z=
Volcanic Ash Advisory issued on 2025-08-13 at 06:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of volcanic ash to flight level 60 (1800m) at 13 0605 UTC move w.
  • Cvghm reported an eruption to 200m above the summit. Volcanic ash not detected on satellite imagery with meteorological cloud in area. Volcanic ash expected to dissipate 6 volcanic ash height and movement based on ground report and model guidance.

Original Message :

Received FVAU05 at 06:56 UTC, 13/08/25 from ADRM
VA ADVISORY
DTG: 20250813/0656Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/451
INFO SOURCE: CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: GROUND REPORT OF VA TO FL060 AT 13/0605Z
MOV W
OBS VA DTG: 13/0640Z
OBS VA CLD: SFC/FL060 S0831 E12251 - S0842 E12250 - S0854 E12201 - S0757 E12208 MOV W 10KT
E12201 - S0757 E12208 MOV W 10KT
FCST VA CLD +6 HR: 13/1240Z NO VA EXP
FCST VA CLD +12 HR: 13/1840Z NO VA EXP
FCST VA CLD +18 HR: 14/0040Z NO VA EXP
RMK: CVGHM REPORTED AN ERUPTION TO 200M ABOVE THE SUMMIT. VA
NOT DETECTED ON SATELLITE IMAGERY WITH MET CLOUD IN AREA. VA
EXPECTED TO DISSIPATE WITHIN 6 HOURS. VA HEIGHT AND MOVEMENT
BASED ON GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250813/1256Z=
Volcanic Ash Advisory issued on 2025-08-11 at 05:28 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 70 (2100m) move w reported at 10 2327 UTC.
  • Current satellite imagery indicates that ash from volcano lewotobi has now dissipated. No further reports of new or ongoing eruption. Advisory terminated. [the volcano colour code has been downgraded to orange].

Original Message :

Received FVAU01 at 05:28 UTC, 11/08/25 from ADRM
VA ADVISORY
DTG: 20250811/0528Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/450
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL070 MOV W REPORTED AT 10/2327Z
EST VA DTG: 11/0500Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL070 120/15KT
SFC/FL070 120/15KT
FCST VA CLD +6 HR: 11/1100Z NO VA EXP
FCST VA CLD +12 HR: 11/1700Z NO VA EXP
FCST VA CLD +18 HR: 11/2300Z NO VA EXP
RMK: CURRENT SATELLITE IMAGERY INDICATES THAT ASH FROM
VOLCANO LEWOTOBI HAS NOW DISSIPATED. NO FURTHER REPORTS OF
NEW OR ONGOING ERUPTION. ADVISORY TERMINATED. [THE VOLCANO
COLOUR CODE HAS BEEN DOWNGRADED TO ORANGE]
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-11 at 00:06 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 70 (2100m) move w reported at 10 2327 UTC.
  • Volcanic ash could not be confirmed on rgb satellite imagery. Ground report indicates emission to 600m above summit. Height and movement based on ground report and model guidance. Volcanic ash likely to dissipate 6 hours.

Original Message :

Received FVAU03 at 00:06 UTC, 11/08/25 from ADRM
VA ADVISORY
DTG: 20250811/0006Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/449
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL070 MOV W REPORTED AT 10/2327Z
EST VA DTG: 10/2330Z
EST VA CLD: SFC/FL070 S0835 E12249 - S0838 E12227 - S0823 E12228 - S0830 E12249 MOV NW 10KT
E12228 - S0830 E12249 MOV NW 10KT
FCST VA CLD +6 HR: 11/0530Z NO VA EXP
FCST VA CLD +12 HR: 11/1130Z NO VA EXP
FCST VA CLD +18 HR: 11/1730Z NO VA EXP
RMK: VA COULD NOT BE CONFIRMED ON RGB SATELLITE IMAGERY.
GROUND REPORT INDICATES EMISSION TO 600M ABOVE SUMMIT.
HEIGHT AND MOVEMENT BASED ON GROUND REPORT AND MODEL
GUIDANCE. VA LIKELY TO DISSIPATE WITHIN 6 HRS.
NXT ADVISORY: NO LATER THAN 20250811/0606Z=
Volcanic Ash Advisory issued on 2025-08-10 at 23:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 70 (2100m) move w reported at 10 2327 UTC.
  • Volcanic ash could not be confirmed on rgb satellite imagery. Ground report indicates emission to 600m above summit. Height and movement based on ground report and model guidance. Volcanic ash likely to dissipate 6 hours.

Original Message :

Received FVAU03 at 23:50 UTC, 10/08/25 from ADRM
VA ADVISORY
DTG: 20250810/2350Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/448
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL070 MOV W REPORTED AT 10/2327Z
EST VA DTG: 11/2330Z
EST VA CLD: SFC/FL070 S0835 E12249 - S0838 E12227 - S0823 E12228 - S0830 E12249 MOV NW 10KT
E12228 - S0830 E12249 MOV NW 10KT
FCST VA CLD +6 HR: 12/0530Z NO VA EXP
FCST VA CLD +12 HR: 12/1130Z NO VA EXP
FCST VA CLD +18 HR: 12/1730Z NO VA EXP
RMK: VA COULD NOT BE CONFIRMED ON RGB SATELLITE IMAGERY.
GROUND REPORT INDICATES EMISSION TO 600M ABOVE SUMMIT.
HEIGHT AND MOVEMENT BASED ON GROUND REPORT AND MODEL
GUIDANCE. VA LIKELY TO DISSIPATE WITHIN 6 HRS.
NXT ADVISORY: NO LATER THAN 20250811/0550Z=
Volcanic Ash Advisory issued on 2025-08-09 at 18:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash reported to flight level 70 (2100m) at 09 1136 UTC.
  • Current satellite img indicates volcanic ash from lewotobi is likely to be dissipated. No other data source suggests an ongoing eruption. Vaa terminated.

Original Message :

Received FVAU01 at 18:00 UTC, 09/08/25 from ADRM
VA ADVISORY
DTG: 20250809/1800Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/447
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA REPORTED TO FL070 AT 09/1136Z
EST VA DTG: 09/1740Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL070 VRB05KT
SFC/FL070 VRB05KT
FCST VA CLD +6 HR: 09/2340Z NO VA EXP
FCST VA CLD +12 HR: 10/0540Z NO VA EXP
FCST VA CLD +18 HR: 10/1140Z NO VA EXP
RMK: CURRENT SAT IMG INDICATES VA FROM LEWOTOBI IS LIKELY TO
BE DISSIPATED. NO OTHER DATA SOURCE SUGGESTS AN ONGOING
ERUPTION. VAA TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-09 at 12:17 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash reported to flight level 70 (2100m) at 09 1136 UTC.
  • Ground report of eruption to 7629ft above sea level. Hotspot observed at summit however volcanic ash unidentifiable. Eruption extent estimated based on model data, height from grnd repeat. Volcanic ash expected to be discrete and dissipate by +6hr.

Original Message :

Received FVAU04 at 12:17 UTC, 09/08/25 from ADRM
VA ADVISORY
DTG: 20250809/1217Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/446
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA REPORTED TO FL070 AT 09/1136Z
EST VA DTG: 09/1200Z
EST VA CLD: SFC/FL070 S0833 E12248 - S0838 E12239 - S0831 E12238 - S0831 E12247 MOV W 15KT
E12238 - S0831 E12247 MOV W 15KT
FCST VA CLD +6 HR: 09/1800Z NO VA EXP
FCST VA CLD +12 HR: 10/0000Z NO VA EXP
FCST VA CLD +18 HR: 10/0600Z NO VA EXP
RMK: GROUND REPORT OF ERUPTION TO 7629FT ABV SEA LEVEL.
HOTSPOT OBSERVED AT SUMMIT HOWEVER VA UNIDENTIFIABLE.
ERUPTION EXTENT ESTIMATED BASED ON MODEL DATA, HEIGHT FROM
GRND RPT. VA EXPECTED TO BE DISCRETE AND DISSIPATE BY +6HR.
NXT ADVISORY: NO LATER THAN 20250809/1817Z=
Volcanic Ash Advisory issued on 2025-08-09 at 01:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) move w, reported at 08 1839 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Cvghm reported eruption to 1200m above summit. Winds based on model guidance. Advisory will be re-issued if new information is received.

Original Message :

Received FVAU04 at 00:55 UTC, 09/08/25 from ADRM
VA ADVISORY
DTG: 20250809/0100Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/445
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL090 MOV W, REPORTED AT 08/1839Z
EST VA DTG: 09/0030Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL090 090/10KT
SFC/FL090 090/10KT
FCST VA CLD +6 HR: 09/0630Z NO VA EXP
FCST VA CLD +12 HR: 09/1230Z NO VA EXP
FCST VA CLD +18 HR: 09/1830Z NO VA EXP
RMK: VA NOT IDENTIFIABLE ON SAT IMAGERY DUE TO MET CLOUD.
CVGHM REPORTED ERUPTION TO 1200M ABOVE SUMMIT. WINDS BASED
ON MODEL GUIDANCE. ADVISORY WILL BE RE-ISSUED IF NEW
INFORMATION IS RECEIVED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-08 at 19:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) move w, reported at 08 1839 UTC.
  • Cvghm report eruption to 1200m above summit. Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Height and forecast based on ground report and model guidance. Volcanic ash expected to dissipate 6 hours.

Original Message :

Received FVAU04 at 18:58 UTC, 08/08/25 from ADRM
VA ADVISORY
DTG: 20250808/1900Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/444
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL090 MOV W, REPORTED AT 08/1839Z
EST VA DTG: 08/1840Z
EST VA CLD: SFC/FL090 S0834 E12248 - S0835 E12243 - S0830 E12242 - S0831 E12248 MOV W 10KT
E12242 - S0831 E12248 MOV W 10KT
FCST VA CLD +6 HR: 09/0040Z NO VA EXP
FCST VA CLD +12 HR: 09/0640Z NO VA EXP
FCST VA CLD +18 HR: 09/1240Z NO VA EXP
RMK: CVGHM REPORT ERUPTION TO 1200M ABOVE SUMMIT. VA NOT
IDENTIFIABLE ON SAT IMAGERY DUE TO MET CLOUD. HEIGHT AND
FCST BASED ON GND REPORT AND MODEL GUIDANCE. VA EXPECTED TO
DISSIPATE WITHIN 6 HRS.
NXT ADVISORY: NO LATER THAN 20250809/0100Z=
Volcanic Ash Advisory issued on 2025-08-08 at 16:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to 080, last observation before a break in coverage at a manual station reported at 08 1108 UTC.
  • Current satellite imagery indicates ash has now dissipated. No further reports of volcanic ash emissions since 08 1108 UTC vona. Advisory terminated.

Original Message :

Received FVAU04 at 16:01 UTC, 08/08/25 from ADRM
VA ADVISORY
DTG: 20250808/1610Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/443
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080, LAST REPORTED AT 08/1108Z
EST VA DTG: 08/1550Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL080 060/10KT
SFC/FL080 060/10KT
FCST VA CLD +6 HR: 08/2150Z NO VA EXP
FCST VA CLD +12 HR: 09/0350Z NO VA EXP
FCST VA CLD +18 HR: 09/0950Z NO VA EXP
RMK: CURRENT SATELLITE IMAGERY INDICATES ASH HAS NOW
DISSIPATED. NO FURTHER REPORTS OF VA EMISSIONS SINCE
08/1108Z VONA. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-08 at 10:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move nw reported at 08 0952 UTC.
  • Cvghm report eruption to 700m above summit. Volcanic ash not identifiable on satellite imagery. Height and forecast based on vona and model guidance. Ash expected to dissipate 6 hours.

Original Message :

Received FVAU04 at 10:10 UTC, 08/08/25 from ADRM
VA ADVISORY
DTG: 20250808/1010Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/442
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 MOV NW REPORTED AT 08/0952Z
EST VA DTG: 08/0950Z
EST VA CLD: SFC/FL080 S0834 E12246 - S0832 E12241 - S0828 E12245 - S0833 E12248 MOV NW 10KT
E12245 - S0833 E12248 MOV NW 10KT
FCST VA CLD +6 HR: 08/1550Z NO VA EXP
FCST VA CLD +12 HR: 08/2150Z NO VA EXP
FCST VA CLD +18 HR: 09/0350Z NO VA EXP
RMK: CVGHM REPORT ERUPTION TO 700M ABOVE SUMMIT. VA NOT
IDENTIFIABLE ON SAT IMAGERY. HEIGHT AND FCST BASED ON VONA
AND MODEL GUIDANCE. ASH EXPECTED TO DISSIPATE WITHIN 6 HRS.
NXT ADVISORY: NO LATER THAN 20250808/1610Z=
Volcanic Ash Advisory issued on 2025-08-03 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) last observation before a break in coverage at a manual station observation at 02 2240 UTC move nw.
  • Current satellite imagery indicates that volcanic ash has now dissipated. No volcanic ash discernible in clear conditions. No reports of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU04 at 04:54 UTC, 03/08/25 from ADRM
VA ADVISORY
DTG: 20250803/0500Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/441
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 LAST OBS AT 02/2240Z MOV NW
OBS VA DTG: 03/0440Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL080 140/05KT
SFC/FL080 140/05KT
FCST VA CLD +6 HR: 03/1040Z NO VA EXP
FCST VA CLD +12 HR: 03/1640Z NO VA EXP
FCST VA CLD +18 HR: 03/2240Z NO VA EXP
RMK: CURRENT SAT IMAGERY INDICATES THAT VA HAS NOW
DISSIPATED. NO VA DISCERNIBLE IN CLEAR CONDITIONS. NO
REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-08-02 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) observation at 02 2240 UTC move nw.
  • Volcanic ash to flight level 80 (2400m) observation on visibility satellite imagery move nw. Satellite imagery indicates that earlier volcanic ash to flight level 450 (13500m) has now dissipated. Height and movement based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 23:02 UTC, 02/08/25 from ADRM
VA ADVISORY
DTG: 20250802/2300Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/440
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL080 OBS AT 02/2240Z MOV NW
OBS VA DTG: 02/2240Z
OBS VA CLD: SFC/FL080 S0831 E12248 - S0836 E12247 - S0837 E12217 - S0814 E12222 MOV NW 10KT
E12217 - S0814 E12222 MOV NW 10KT
FCST VA CLD +6 HR: 03/0440Z SFC/FL080 S0836 E12247 - S0832 E12216 - S0809 E12225 - S0831 E12249
E12216 - S0809 E12225 - S0831 E12249
FCST VA CLD +12 HR: 03/1040Z SFC/FL080 S0832 E12249 - S0836 E12247 - S0832 E12216 - S0810 E12225
E12247 - S0832 E12216 - S0810 E12225
FCST VA CLD +18 HR: 03/1640Z SFC/FL080 S0835 E12246 - S0826 E12217 - S0806 E12230 - S0832 E12249
E12217 - S0806 E12230 - S0832 E12249
RMK: VA TO FL080 OBS ON VIS SAT IMAGERY MOV NW. SAT IMAGERY
INDICATES THAT EARLIER VA TO FL450 HAS NOW DISSIPATED.
HEIGHT AND MOVEMENT BASED ON SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250803/0500Z=
Volcanic Ash Advisory issued on 2025-08-02 at 20:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 450 (13500m) observation at 02 1940 UTC mob se at 15kt.
  • Separate area of volcanic ash to flight level 450 (13500m) observation move se. Remainder volcanic ash unidentifiable due to obscuration, but ash still expected across the volcanic ash to flight level 450 (13500m) exp to dissipate 3-6 height and mvt from satellite img and model guidance.

Original Message :

Received FVAU04 at 19:52 UTC, 02/08/25 from ADRM
VA ADVISORY
DTG: 20250802/2000Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/439
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450 OBS AT 02/1940Z MOB SE AT
15KT.
EST VA DTG: 02/1940Z
EST VA CLD: SFC/FL080 S0840 E12248 - S0839 E12222 - S0815 E12222 - S0813 E12244 - S0834 E12254 MOV NW 10KT SFC/FL450 S0921 E12136 - S0901 E11803 - S0746 E11756 - S0707 E12135 - S0730 E12451 - S0832 E12457 MOV W 10KT SFC/FL450 S1340 E12043 - S1414 E12111 - S1429 E12043 - S1349 E12021 MOV SE 15KT
15KT
FCST VA CLD +6 HR: 03/0140Z SFC/FL080 S0841 E12248 - S0835 E12221 - S0812 E12225 - S0812 E12247 - S0832 E12256
E12221 - S0812 E12225 - S0812 E12247 - S0832 E12256
FCST VA CLD +12 HR: 03/0740Z SFC/FL080 S0839 E12250 - S0836 E12224 - S0812 E12225 - S0812 E12247 - S0830 E12257 SFC/FL080 S0840 E12250 - S0837 E12224 - S0812 E12224 - S0812 E12247 - S0831 E12258
E12247 - S0831 E12258
FCST VA CLD +18 HR: 03/1340Z SFC/FL080 S0841 E12249 - S0837 E12224 - S0812 E12223 - S0812 E12247 - S0831 E12258
E12224 - S0812 E12223 - S0812 E12247 - S0831 E12258
RMK: SEPARATE AREA OF VA TO FL450 OBS MOV SE. REMAINDER VA
UNIDENTIFIABLE DUE TO OBSCURATION, BUT ASH STILL EXPECTED
ACROSS THE AREAS. VA TO FL450 EXP TO DISSIPATE WITHIN 3-6
HOURS. HGT AND MVT FROM SAT IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/2300Z=
Volcanic Ash Advisory issued on 2025-08-02 at 17:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 450 (13500m) observation at 02 1640 UTC mob south at 15kt.
  • Separate area of volcanic ash to flight level 450 (13500m) observation move south. Remainder volcanic ash unidentifiable due to obscuration, but ash still expected across volcanic ash to flight level 450 (13500m) exp to dissipate 12 height and mvt from satellite img and model guidance.

Original Message :

Received FVAU04 at 16:57 UTC, 02/08/25 from ADRM
VA ADVISORY
DTG: 20250802/1700Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/438
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450 OBS AT 02/1640Z MOB S AT 15KT.
EST VA DTG: 02/1640Z
EST VA CLD: SFC/FL080 S0837 E12246 - S0840 E12224 - S0815 E12220 - S0813 E12243 - S0831 E12250 MOV NW 10KT SFC/FL450 S0916 E12136 - S0906 E11816 - S0754 E11811 - S0707 E12126 - S0729 E12451 - S0833 E12458 MOV W 10KT SFC/FL450 S1236 E11948 - S1252 E11951 - S1252 E11926 - S1237 E11922 MOV S 15KT
15KT
FCST VA CLD +6 HR: 02/2240Z SFC/FL080 S0840 E12248 - S0839 E12222 - S0815 E12222 - S0813 E12244 - S0834 E12254 SFC/FL450 S0915 E12138 - S0902 E11805 - S0747 E11758 - S0706 E12127 - S0728 E12451 - S0833 E12457
E12127 - S0728 E12451 - S0833 E12457
FCST VA CLD +12 HR: 03/0440Z SFC/FL080 S0841 E12248 - S0837 E12222 - S0812 E12225 - S0812 E12247 - S0832 E12256
E12222 - S0812 E12225 - S0812 E12247 - S0832 E12256
FCST VA CLD +18 HR: 03/1040Z SFC/FL080 S0839 E12250 - S0836 E12224 - S0812 E12225 - S0812 E12247 - S0830 E12257
E12224 - S0812 E12225 - S0812 E12247 - S0830 E12257
RMK: SEPARATE AREA OF VA TO FL450 OBS MOV S. REMAINDER VA
UNIDENTIFIABLE DUE TO OBSCURATION, BUT ASH STILL EXPECTED
ACROSS AREAS. VA TO FL450 EXP TO DISSIPATE WITHIN 12 HOURS.
HGT AND MVT FROM SAT IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/2000Z=
Volcanic Ash Advisory issued on 2025-08-02 at 14:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 450 (13500m) observation at 02 1440 UTC mob ssw at 10kt.
  • Separate area of volcanic ash to flight level 450 (13500m) observation move ssw. Remainder volcanic ash unidentifiable due to obscuration, but ash still expected across volcanic ash to flight level 450 (13500m) exp to dissipate 12 height and mvt from satellite img and model guidance.

Original Message :

Received FVAU04 at 13:52 UTC, 02/08/25 from ADRM
VA ADVISORY
DTG: 20250802/1400Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/437
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450 OBS AT 02/1440Z MOB SSW AT
10KT.
EST VA DTG: 02/1340Z
EST VA CLD: SFC/FL080 S0835 E12247 - S0841 E12225 - S0825 E12217 - S0818 E12231 - S0831 E12248 MOV W 10KT SFC/FL450 S0915 E12138 - S0904 E11824 - S0750 E11824 - S0707 E12120 - S0729 E12451 - S0833 E12456 MOV W 10KT SFC/FL450 S1142 E11935 - S1230 E11934 - S1223 E11915 - S1157 E11910 MOV SW 10KT
10KT
FCST VA CLD +6 HR: 02/1940Z SFC/FL080 S0837 E12246 - S0840 E12224 - S0815 E12220 - S0813 E12243 - S0831 E12250 SFC/FL450 S0916 E12136 - S0906 E11816 - S0754 E11811 - S0707 E12126 - S0729 E12451 - S0833 E12458
E12126 - S0729 E12451 - S0833 E12458
FCST VA CLD +12 HR: 03/0140Z SFC/FL080 S0840 E12248 - S0839 E12222 - S0815 E12222 - S0813 E12244 - S0834 E12254 SFC/FL450 S0915 E12138 - S0902 E11805 - S0747 E11758 - S0706 E12127 - S0728 E12451 - S0833 E12457
E12127 - S0728 E12451 - S0833 E12457
FCST VA CLD +18 HR: 03/0740Z SFC/FL080 S0841 E12248 - S0837 E12222 - S0812 E12225 - S0812 E12247 - S0832 E12256
E12222 - S0812 E12225 - S0812 E12247 - S0832 E12256
RMK: SEPARATE AREA OF VA TO FL450 OBS MOV SSW. REMAINDER VA
UNIDENTIFIABLE DUE TO OBSCURATION, BUT ASH STILL EXPECTED
ACROSS AREAS. VA TO FL450 EXP TO DISSIPATE WITHIN 12 HOURS.
HGT AND MVT FROM SAT IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/1700Z=
Volcanic Ash Advisory issued on 2025-08-02 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 450 (13500m) ext radially and volcanic ash to flight level 80 (2400m) move w observation at 02/1040z.
  • Volcanic ash to flight level 450 (13500m) at 01 1705 UTC extending radially from summit, localised volcanic ash to flight level 80 (2400m) observation extending w from summit. Volcanic ash to flight level 450 (13500m) exp to dissipate 12 heights based on ground rep, model guidance, and satellite infrared temperature. Move from satellite and model guidance.

Original Message :

Received FVAU04 at 10:54 UTC, 02/08/25 from ADRM
VA ADVISORY
DTG: 20250802/1100Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/436
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450 EXT RADIALLY AND VA TO FL080
MOV W OBS AT 02/1040Z.
OBS VA DTG: 02/1040Z
OBS VA CLD: SFC/FL080 S0837 E12254 - S0841 E12227 - S0823 E12218 - S0815 E12233 - S0824 E12255 MOV W 10KT SFC/FL450 S0913 E12142 - S0905 E11837 - S0747 E11834 - S0708 E12120 - S0728 E12453 - S0831 E12453 MOV W 10KT SFC/FL450 S1109 E11937 - S1208 E11956 - S1206 E11927 - S1118 E11906 MOV SW 10KT
10KT
FCST VA CLD +6 HR: 02/1640Z SFC/FL080 S0835 E12247 - S0841 E12225 - S0825 E12222 - S0818 E12231 - S0831 E12248 SFC/FL450 S0915 E12138 - S0904 E11824 - S0750 E11824 - S0707 E12120 - S0729 E12451 - S0833 E12456 SFC/FL450 S1131 E11941 - S1228 E11955 - S1232 E11918 - S1137 E11907
- S1228 E11955 - S1232 E11918 - S1137 E11907
FCST VA CLD +12 HR: 02/2240Z SFC/FL080 S0837 E12246 - S0840 E12224 - S0818 E12225 - S0813 E12243 - S0831 E12250 SFC/FL450 S0916 E12136 - S0906 E11816 - S0754 E11811 - S0707 E12126 - S0729 E12451 - S0833 E12458
E12126 - S0729 E12451 - S0833 E12458
FCST VA CLD +18 HR: 03/0440Z SFC/FL080 S0834 E12254 - S0840 E12248 - S0839 E12222 - S0815 E12222 - S0813 E12244
E12248 - S0839 E12222 - S0815 E12222 - S0813 E12244
RMK: VA TO FL450 AT 01/1705Z EXTENDING RADIALLY FROM SUMMIT,
LOCALISED VA TO FL080 OBS EXTENDING W FROM SUMMIT. VA TO
FL450 EXP TO DISSIPATE WITHIN 12 HOURS. HEIGHTS BASED ON
GROUND REP, MODEL GUIDANCE, AND SAT IR TEMP. MOV FROM SAT
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/1400Z=
Volcanic Ash Advisory issued on 2025-08-02 at 08:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 450 (13500m) ext radially and volcanic ash to flight level 80 (2400m) move w observation at 02/0740z.
  • Volcanic ash to flight level 450 (13500m) at 01 1705 UTC extending radially from summit, localised volcanic ash to flight level 80 (2400m) observation extending w from summit. Volcanic ash to flight level 450 (13500m) exp to dissipate 12 heights based on ground rep, model guidance, and satellite infrared temperature. Move from satellite and model guidance.

Original Message :

Received FVAU04 at 08:01 UTC, 02/08/25 from ADRM
VA ADVISORY
DTG: 20250802/0800Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/435
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450 EXT RADIALLY AND VA TO FL080
MOV W OBS AT 02/0740Z.
OBS VA DTG: 02/0740Z
OBS VA CLD: SFC/FL450 S1029 E12004 - S1130 E12019 - S1143 E11951 - S1102 E11900 - S1023 E11903 MOV SW 15KT SFC/FL450 S0908 E12141 - S0911 E11857 - S0755 E11858 - S0732 E12148 - S0810 E12545 - S0923 E12422 MOV W 10KT
S0810 E12545 - S0923 E12422 MOV W 10KT
FCST VA CLD +6 HR: 02/1340Z SFC/FL450 S0913 E12142 - S0923 E11837 - S0747 E11834 - S0717 E12148 - S0756 E12613 - S0936 E12433 SFC/FL450 S1122 E11931 - S1206 E11950 - S1231 E11904 - S1153 E11821 - S1113 E11846
- S1153 E11821 - S1113 E11846
FCST VA CLD +12 HR: 02/1940Z SFC/FL080 S0835 E12247 - S0841 E12225 - S0825 E12222 - S0818 E12231 - S0831 E12248
E12225 - S0825 E12222 - S0818 E12231 - S0831 E12248
FCST VA CLD +18 HR: 03/0140Z SFC/FL080 S0837 E12246 - S0840 E12224 - S0818 E12225 - S0813 E12243 - S0831 E12250
E12224 - S0818 E12225 - S0813 E12243 - S0831 E12250
RMK: VA TO FL450 AT 01/1705Z EXTENDING RADIALLY FROM SUMMIT,
LOCALISED VA TO FL080 OBS EXTENDING W FROM SUMMIT. VA TO
FL450 EXP TO DISSIPATE WITHIN 12 HOURS. HEIGHTS BASED ON
GROUND REP, MODEL GUIDANCE, AND SAT IR TEMP. MOV FROM SAT
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/1100Z=
Volcanic Ash Advisory issued on 2025-08-02 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 450 (13500m) ext radially and volcanic ash to flight level 80 (2400m) move w observation at 02/0440z.
  • Volcanic ash to flight level 450 (13500m) at 01 1705 UTC extending radially from summit, localised volcanic ash to flight level 80 (2400m) observation extending w from summit. Volcanic ash to flight level 450 (13500m) exp to dissipate 12 heights based on ground rep, model guidance, and satellite infrared temperature. Move from satellite and model guidance.

Original Message :

Received FVAU04 at 05:00 UTC, 02/08/25 from ADRM
VA ADVISORY
DTG: 20250802/0500Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/434
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450 EXT RADIALLY AND VA TO FL080
MOV W OBS AT 02/0440Z.
OBS VA DTG: 02/0440Z
OBS VA CLD: SFC/FL450 S0729 E12238 - S0917 E12451 - S1000 E12345 - S0938 E12116 - S0907 E11952 - S0735 E12029 MOV W 10KT SFC/FL450 S1000 E12021 - S1054 E12045 - S1115 E11954 - S1022 E11919 - S0957 E11943 MOV SW 20KT
S1022 E11919 - S0957 E11943 MOV SW 20KT
FCST VA CLD +6 HR: 02/1040Z SFC/FL450 S1107 E12008 - S1146 E11929 - S1057 E11847 - S1024 E11912 - S1017 E11926 SFC/FL450 S0717 E12246 - S0907 E12525 - S1012 E12345 - S0954 E12123 - S0909 E11902 - S0723 E11934
E12123 - S0909 E11902 - S0723 E11934
FCST VA CLD +12 HR: 02/1640Z SFC/FL080 S0837 E12250 - S0843 E12225 - S0833 E12216 - S0820 E12226 - S0828 E12250
E12225 - S0833 E12216 - S0820 E12226 - S0828 E12250
FCST VA CLD +18 HR: 02/2240Z SFC/FL080 S0835 E12247 - S0836 E12225 - S0825 E12222 - S0817 E12233 - S0831 E12248
E12225 - S0825 E12222 - S0817 E12233 - S0831 E12248
RMK: VA TO FL450 AT 01/1705Z EXTENDING RADIALLY FROM SUMMIT,
LOCALISED VA TO FL080 OBS EXTENDING W FROM SUMMIT. VA TO
FL450 EXP TO DISSIPATE WITHIN 12 HOURS. HEIGHTS BASED ON
GROUND REP, MODEL GUIDANCE, AND SAT IR TEMP. MOV FROM SAT
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/0800Z=
Volcanic Ash Advisory issued on 2025-08-02 at 02:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 450 (13500m) ext radially and volcanic ash to flight level 80 (2400m) move w observation at 02/0140z.
  • Volcanic ash to flight level 450 (13500m) at 01 1705 UTC extending radially from summit, localised volcanic ash to flight level 80 (2400m) observation extending w from summit. Volcanic ash to flight level 450 (13500m) exp to dissipate 18 heights based on ground rep, model guidance, and satellite infrared temperature. Move from satellite and model guidance.

Original Message :

Received FVAU04 at 02:00 UTC, 02/08/25 from ADRM
VA ADVISORY
DTG: 20250802/0200Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/433
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450 EXT RADIALLY AND VA TO FL080
MOV W OBS AT 02/0140Z.
OBS VA DTG: 02/0140Z
OBS VA CLD: SFC/FL450 S0943 E12415 - S1027 E12015 - S0848 E12007 - S0542 E12032 - S0536 E12250 - S0823 E12446 MOV W 10KT
10KT
FCST VA CLD +6 HR: 02/0740Z SFC/FL450 S0812 E12508 - S1020 E12427 - S1047 E12013 - S0851 E11930 - S0533 E12026 - S0527 E12254
E12254
FCST VA CLD +12 HR: 02/1340Z SFC/FL450 S0813 E12514 - S1035 E12432 - S1110 E12006 - S0852 E11905 - S0522 E12016 - S0517 E12254
E12254
FCST VA CLD +18 HR: 02/1940Z SFC/FL080 S0835 E12248 - S0841 E12225 - S0826 E12220 - S0815 E12232 - S0831 E12249
E12225 - S0826 E12220 - S0815 E12232 - S0831 E12249
RMK: VA TO FL450 AT 01/1705Z EXTENDING RADIALLY FROM SUMMIT,
LOCALISED VA TO FL080 OBS EXTENDING W FROM SUMMIT. VA TO
FL450 EXP TO DISSIPATE WITHIN 18 HOURS. HEIGHTS BASED ON
GROUND REP, MODEL GUIDANCE, AND SAT IR TEMP. MOV FROM SAT
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/0500Z=
Volcanic Ash Advisory issued on 2025-08-02 at 01:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to 450, volcanic ash to flight level 370 (11100m) extending radially at 02 0040 UTC.
  • Volcanic ash to flight level 450 (13500m) at 01 1705 UTC and flight level 370 (11100m) at 01 1248 UTC both extending radially from summit. Volcanic ash to flight level 370 (11100m) exp to dissipate 3 volcanic ash to flight level 450 (13500m) exp to dissipate 18 heights based on ground rep and satellite infrared temperature. Move from satellite and model guidance.

Original Message :

Received FVAU04 at 00:58 UTC, 02/08/25 from ADRM
VA ADVISORY
DTG: 20250802/0100Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/432
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450, VA TO FL370 EXTENDING
RADIALLY AT 02/0040Z
OBS VA DTG: 02/0040Z
OBS VA CLD: SFC/FL370 S1004 E12406 - S1019 E12039 - S0847 E11951 - S0543 E12030 - S0537 E12244 - S0818 E12451 MOV NW 10KT SFC/FL450 S0823 E12414 - S0952 E12349 - S1005 E12054 - S0842 E12024 - S0548 E12034 - S0544 E12245 MOV W 10KT
S0842 E12024 - S0548 E12034 - S0544 E12245 MOV W 10KT
FCST VA CLD +6 HR: 02/0640Z SFC/FL450 S0823 E12446 - S1017 E12415 - S1038 E12023 - S0848 E11938 - S0536 E12028 - S0531 E12252
E12252
FCST VA CLD +12 HR: 02/1240Z SFC/FL450 S0820 E12502 - S1031 E12429 - S1054 E12012 - S0849 E11857 - S0533 E12026 - S0527 E12254
E12254
FCST VA CLD +18 HR: 02/1840Z NO VA EXP
RMK: VA TO FL450 AT 01/1705Z AND FL370 AT 01/1248Z BOTH
EXTENDING RADIALLY FROM SUMMIT. VA TO FL370 EXP TO DISSIPATE
WITHIN 3 HOURS. VA TO FL450 EXP TO DISSIPATE WITHIN 18
HOURS. HEIGHTS BASED ON GROUND REP AND SAT IR TEMP. MOV FROM
SAT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/0200Z=
Volcanic Ash Advisory issued on 2025-08-02 at 00:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to 450, volcanic ash to flight level 370 (11100m) extending radially at 01 2340 UTC.
  • Eruption with volcanic ash to flight level 450 (13500m) at 01 1705 UTC and flight level 370 (11100m) at 01 1248 UTC both extending radially from summit. Volcanic ash to flight level 370 (11100m) expected to dissipate 3 heights based on ground rep and satellite infrared temperature. Move from satellite and model guidance.

Original Message :

Received FVAU04 at 23:57 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250802/0000Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/431
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450, VA TO FL370 EXTENDING
RADIALLY AT 01/2340Z
OBS VA DTG: 01/2340Z
OBS VA CLD: SFC/FL370 S0831 E12433 - S1006 E12426 - S1047 E12021 - S0905 E11928 - S0607 E12039 - S0556 E12250 MOV NW 10KT SFC/FL450 S0831 E12401 - S0947 E12347 - S1011 E12054 - S0853 E12013 - S0616 E12055 - S0611 E12244 MOV W 10KT
S0853 E12013 - S0616 E12055 - S0611 E12244 MOV W 10KT
FCST VA CLD +6 HR: 02/0540Z SFC/FL450 S0819 E12440 - S1011 E12406 - S1030 E12031 - S0851 E11916 - S0609 E12032 - S0604 E12250
E12250
FCST VA CLD +12 HR: 02/1140Z SFC/FL450 S0823 E12446 - S1020 E12419 - S1048 E12004 - S0857 E11832 - S0555 E11955 - S0550 E12255
E12255
FCST VA CLD +18 HR: 02/1740Z SFC/FL450 S0820 E12502 - S1031 E12429 - S1106 E12003 - S0901 E11802 - S0546 E11950 - S0537 E12300
E12300
RMK: ERUPTION WITH VA TO FL450 AT 01/1705Z AND FL370 AT
01/1248Z BOTH EXTENDING RADIALLY FROM SUMMIT. VA TO FL370
EXPECTED TO DISSIPATE WITHIN 3 HOURS. HEIGHTS BASED ON
GROUND REP AND SATELLITE IR TEMP. MOV FROM SATELLITE AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/0100Z=
Volcanic Ash Advisory issued on 2025-08-01 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to 450, volcanic ash to flight level 370 (11100m) extending radially at 01 2240 UTC.
  • Eruption with volcanic ash to flight level 450 (13500m) at 01 1705 UTC and flight level 370 (11100m) at 01 1248 UTC both extending radially from summit. Volcanic ash to flight level 370 (11100m) expected to dissipate 6 heights based on ground rep and satellite infrared temperature. Move from satellite and model guidance.

Original Message :

Received FVAU04 at 22:59 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/2300Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/430
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450, VA TO FL370 EXTENDING
RADIALLY AT 01/2240Z
OBS VA DTG: 01/2240Z
OBS VA CLD: SFC/FL370 S0807 E12441 - S0955 E12443 - S1024 E12043 - S0847 E11930 - S0635 E12055 - S0610 E12302 MOV NW 10KT SFC/FL450 S0900 E12349 - S0933 E12326 - S0952 E12111 - S0835 E12052 - S0643 E12119 - S0622 E12243 MOV W 10KT
S0835 E12052 - S0643 E12119 - S0622 E12243 MOV W 10KT
FCST VA CLD +6 HR: 02/0440Z SFC/FL450 S0820 E12406 - S0951 E12349 - S1001 E12046 - S0853 E12013 - S0620 E12046 - S0611 E12244
E12244
FCST VA CLD +12 HR: 02/1040Z SFC/FL450 S0957 E12349 - S1018 E12030 - S0854 E11911 - S0616 E12026 - S0613 E12249 - S0816 E12434
E12434
FCST VA CLD +18 HR: 02/1640Z SFC/FL450 S0817 E12438 - S1021 E12352 - S1048 E12004 - S0854 E11816 - S0555 E11955 - S0551 E12245
E12245
RMK: ERUPTION WITH VA TO FL450 AT 01/1705Z AND FL370 AT
01/1248Z BOTH EXTENDING RADIALLY FROM SUMMIT. VA TO FL370
EXPECTED TO DISSIPATE WITHIN 6 HOURS. HEIGHTS BASED ON
GROUND REP AND SATELLITE IR TEMP. MOV FROM SATELLITE AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250802/0000Z=
Volcanic Ash Advisory issued on 2025-08-01 at 22:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to 450, volcanic ash to flight level 370 (11100m) extending radially at 01 2140 UTC.
  • Eruption with volcanic ash to flight level 450 (13500m) at 01 1705 UTC and flight level 370 (11100m) at 01 1248 UTC both extending radially from summit. Heights based on ground rep and satellite infrared temperature. Move from satellite and model guidance.

Original Message :

Received FVAU04 at 22:01 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/2200Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/429
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450, VA TO FL370 EXTENDING
RADIALLY AT 01/2140Z
OBS VA DTG: 01/2140Z
OBS VA CLD: SFC/FL370 S0824 E12503 - S1024 E12426 - S1021 E12039 - S0847 E11930 - S0643 E11949 - S0617 E12250 MOV NW 10KT SFC/FL450 S0950 E12324 - S0948 E12105 - S0837 E12013 - S0735 E12012 - S0637 E12242 - S0845 E12416 MOV W 10KT
S0735 E12012 - S0637 E12242 - S0845 E12416 MOV W 10KT
FCST VA CLD +6 HR: 02/0340Z SFC/FL450 S0951 E12330 - S0946 E12013 - S0859 E11933 - S0736 E11929 - S0647 E12034 - S0704 E12316 - S0902 E12429
E12316 - S0902 E12429
FCST VA CLD +12 HR: 02/0940Z SFC/FL450 S0951 E12349 - S0948 E11939 - S0830 E11813 - S0640 E11909 - S0638 E12249 - S0817 E12428
E12428
FCST VA CLD +18 HR: 02/1540Z SFC/FL450 S0957 E12349 - S1012 E11903 - S0832 E11712 - S0621 E11843 - S0613 E12249 - S0816 E12434
E12434
RMK: ERUPTION WITH VA TO FL450 AT 01/1705Z AND FL370 AT
01/1248Z BOTH EXTENDING RADIALLY FROM SUMMIT. HEIGHTS BASED
ON GROUND REP AND SATELLITE IR TEMP. MOV FROM SATELLITE AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250801/2300Z=
Volcanic Ash Advisory issued on 2025-08-01 at 21:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to 450, volcanic ash to flight level 370 (11100m) extending radially at 01 2040 UTC.
  • Eruption with volcanic ash to flight level 450 (13500m) at 01 1705 UTC and flight level 370 (11100m) at 01/1248z, both extending radially from summit. Volcanic ash to flight level 370 (11100m) expected to dissipate 6 hours. Heights based on ground rep and satellite infrared temperature. Move from satellite and model guidance.

Original Message :

Received FVAU04 at 20:55 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/2100Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/428
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450, VA TO FL370 EXTENDING
RADIALLY AT 01/2040Z
EST VA DTG: 01/2040Z
EST VA CLD: SFC/FL370 S0957 E12308 - S0958 E12110 - S0801 E12003 - S0641 E12234 - S0725 E12349 - S0902 E12420 MOV W 10KT SFC/FL450 S0743 E12319 - S0857 E12352 - S0934 E12251 - S0925 E12128 - S0741 E12113 - S0656 E12227 MOV NW 10KT
S0925 E12128 - S0741 E12113 - S0656 E12227 MOV NW 10KT
FCST VA CLD +6 HR: 02/0240Z SFC/FL450 S0950 E12324 - S0948 E12105 - S0837 E12013 - S0735 E12012 - S0638 E12230 - S0845 E12416
E12416
FCST VA CLD +12 HR: 02/0840Z SFC/FL450 S0951 E12330 - S0946 E12013 - S0859 E11933 - S0736 E11929 - S0647 E12034 - S0704 E12316 - S0902 E12429
E12316 - S0902 E12429
FCST VA CLD +18 HR: 02/1440Z SFC/FL450 S0951 E12349 - S0948 E11939 - S0830 E11813 - S0640 E11909 - S0638 E12249 - S0817 E12428
E12428
RMK: ERUPTION WITH VA TO FL450 AT 01/1705Z AND FL370 AT
01/1248Z, BOTH EXTENDING RADIALLY FROM SUMMIT. VA TO FL370
EXPECTED TO DISSIPATE WITHIN 6 HRS. HEIGHTS BASED ON GROUND
REP AND SATELLITE IR TEMP. MOV FROM SATELLITE AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250801/2200Z=
Volcanic Ash Advisory issued on 2025-08-01 at 20:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to 450, volcanic ash to flight level 370 (11100m) extending radially at 01 1840 UTC.
  • Volcanic ash to flight level 630 (18900m) reported at 01 1705 UTC and flight level 370 (11100m) reported at 01/1248z, both extending radially from summit. Heights based on ground reports and satellite infrared temperature. Movement from satellite and consensus model guidance.

Original Message :

Received FVAU04 at 19:59 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/2000Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/427
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450, VA TO FL370 EXTENDING
RADIALLY AT 01/1840Z
OBS VA DTG: 01/1940Z
OBS VA CLD: SFC/FL370 S0939 E12346 - S0943 E12109 - S0822 E12042 - S0702 E12126 - S0724 E12343 - S0859 E12425 MOV W 15KT SFC/FL450 S0824 E12318 - S0910 E12319 - S0913 E12200 - S0806 E12146 - S0735 E12213 - S0734 E12244 MOV NW 10KT
S0806 E12146 - S0735 E12213 - S0734 E12244 MOV NW 10KT
FCST VA CLD +6 HR: 02/0140Z SFC/FL370 S0957 E12308 - S0954 E12106 - S0755 E11942 - S0636 E12058 - S0703 E12415 - S0912 E12445 SFC/FL450 S0842 E12337 - S0938 E12224 - S0934 E12056 - S0807 E12030 - S0655 E12109 - S0745 E12310
- S0807 E12030 - S0655 E12109 - S0745 E12310
FCST VA CLD +12 HR: 02/0740Z SFC/FL370 S0901 E12412 - S1008 E12236 - S1009 E12046 - S0843 E11843 - S0654 E11935 - S0720 E12344 SFC/FL450 S0834 E12305 - S0945 E12204 - S0939 E12015 - S0824 E11918 - S0712 E11948 - S0728 E12202
- S0824 E11918 - S0712 E11948 - S0728 E12202
FCST VA CLD +18 HR: 02/1340Z SFC/FL370 S0954 E12401 - S0956 E11928 - S0906 E11803 - S0645 E11811 - S0623 E12217 - S0747 E12514 SFC/FL450 S0800 E12333 - S0941 E12245 - S0943 E11957 - S0849 E11825 - S0659 E11817 - S0643 E12114
- S0849 E11825 - S0659 E11817 - S0643 E12114
RMK: VA TO FL630 REPORTED AT 01/1705Z AND FL370 REPORTED AT
01/1248Z, BOTH EXTENDING RADIALLY FROM SUMMIT. HEIGHTS BASED
ON GROUND REPORTS AND SATELLITE IR TEMPERATURE. MOVEMENT
FROM SATELLITE AND CONSENSUS MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250801/2100Z=
Volcanic Ash Advisory issued on 2025-08-01 at 19:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to 450, volcanic ash to flight level 370 (11100m) extending radially at 01 1840 UTC.
  • Volcanic ash to flight level 630 (18900m) reported at 01 1705 UTC and flight level 370 (11100m) reported at 01/1248z, both extending radially from summit. Heights based on ground reports and satellite infrared temperature. Movement from satellite and consensus model guidance.

Original Message :

Received FVAU04 at 18:59 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/1900Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/426
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL450, VA TO FL370 EXTENDING
RADIALLY AT 01/1840Z
OBS VA DTG: 01/1840Z
OBS VA CLD: SFC/FL370 S0759 E12331 - S0905 E12409 - S0937 E12318 - S0927 E12136 - S0830 E12110 - S0726 E12151 MOV W 15KT SFC/FL450 S0809 E12256 - S0854 E12309 - S0905 E12211 - S0808 E12207 - S0754 E12231 MOV NW 10KT
S0808 E12207 - S0754 E12231 MOV NW 10KT
FCST VA CLD +6 HR: 02/0040Z SFC/FL370 S0943 E12306 - S0930 E12031 - S0815 E12003 - S0657 E12113 - S0721 E12359 - S0916 E12429 SFC/FL450 S0740 E12318 - S0835 E12407 - S0924 E12331 - S0921 E12136 - S0759 E12117 - S0714 E12212
- S0921 E12136 - S0759 E12117 - S0714 E12212
FCST VA CLD +12 HR: 02/0640Z SFC/FL370 S0957 E12308 - S0941 E12006 - S0809 E11912 - S0636 E12058 - S0703 E12415 - S0918 E12454 SFC/FL450 S0942 E12321 - S0934 E12056 - S0813 E12034 - S0654 E12127 - S0818 E12418 - S0914 E12430
- S0654 E12127 - S0818 E12418 - S0914 E12430
FCST VA CLD +18 HR: 02/1240Z SFC/FL370 S0720 E12344 - S0916 E12456 - S1013 E12320 - S1009 E11856 - S0811 E11746 - S0620 E11942 SFC/FL450 S0753 E12354 - S0916 E12431 - S0959 E12254 - S0949 E12016 - S0823 E11918 - S0700 E12040
- S0949 E12016 - S0823 E11918 - S0700 E12040
RMK: VA TO FL630 REPORTED AT 01/1705Z AND FL370 REPORTED AT
01/1248Z, BOTH EXTENDING RADIALLY FROM SUMMIT. HEIGHTS BASED
ON GROUND REPORTS AND SATELLITE IR TEMPERATURE. MOVEMENT
FROM SATELLITE AND CONSENSUS MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250801/2000Z=
Volcanic Ash Advisory issued on 2025-08-01 at 17:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash rep to 630, volcanic ash to flight level 370 (11100m) extending radially at 01 1730 UTC.
  • Volcanic ash to flight level 630 (18900m) repoted at 01 1705 UTC and flight level 370 (11100m) reported at 01/1248z, both extending radially from summit. Heights based on ground reports, movement from consensus model guidance.

Original Message :

Received FVAU04 at 17:52 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/1750Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/425
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA REP TO FL630, VA TO FL370 EXTENDING
RADIALLY AT 01/1730Z
OBS VA DTG: 01/1730Z
OBS VA CLD: SFC/FL370 S0757 E12312 - S0829 E12347 - S0920 E12323 - S0923 E12154 - S0824 E12129 - S0740 E12156 MOV W 15KT SFC/FL630 S0833 E12250 - S0839 E12249 - S0842 E12236 - S0830 E12229 - S0822 E12240 MOV NW 10KT
S0830 E12229 - S0822 E12240 MOV NW 10KT
FCST VA CLD +6 HR: 01/2330Z SFC/FL370 S0859 E12248 - S0923 E12052 - S0812 E12047 - S0711 E12135 - S0735 E12331 - S0910 E12404 - S0931 E12307 SFC/FL630 S0839 E12240 - S0851 E12213 - S0820 E12207 - S0804 E12235 - S0826 E12259 - S0843 E12254
- S0820 E12207 - S0804 E12235 - S0826 E12259 - S0843 E12254
FCST VA CLD +12 HR: 02/0530Z SFC/FL370 S0911 E12226 - S0930 E12031 - S0815 E12003 - S0657 E12113 - S0721 E12359 - S0916 E12429 - S0943 E12306 SFC/FL630 S0848 E12238 - S0902 E12159 - S0825 E12144 - S0746 E12219 - S0803 E12308 - S0850 E12331 - S0913 E12301
- S0913 E12301
FCST VA CLD +18 HR: 02/1130Z SFC/FL370 S0919 E12219 - S0941 E12006 - S0819 E11926 - S0636 E12058 - S0703 E12415 - S0918 E12454 - S0951 E12309 SFC/FL630 S0858 E12233 - S0917 E12136 - S0826 E12111 - S0735 E12156 - S0756 E12314 - S0901 E12346 - S0926 E12300
- S0926 E12300
RMK: VA TO FL630 REPOTED AT 01/1705Z AND FL370 REPORTED AT
01/1248Z, BOTH EXTENDING RADIALLY FROM SUMMIT. HEIGHTS BASED
ON GROUND REPORTS, MOVEMENT FROM CONSENSUS MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250801/1850Z=
Volcanic Ash Advisory issued on 2025-08-01 at 17:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash rep to 630, volcanic ash to flight level 370 (11100m) extending radially.
  • Second major eruption underway. More detailed advisory to.

Original Message :

Received FVAU04 at 17:31 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/1730Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/424
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA REP TO FL630, VA TO FL370 EXTENDING
RADIALLY
OBS VA DTG: 01/1710Z
OBS VA CLD: SFC/FL370 S0800 E12312 - S0841 E12347 - S0921 E12318 - S0917 E12151 - S0807 E12128 - S0740 E12206 MOV W 15KT SFC/FL630 S0831 E12248 - S0835 E12248 - S0837 E12243 - S0835 E12238 - S0831 E12238 - S0829 E12243 MOV N 01KT
S0835 E12238 - S0831 E12238 - S0829 E12243 MOV N 01KT
FCST VA CLD +6 HR: 01/2310Z NOT PROVIDED
FCST VA CLD +12 HR: 02/0510Z NOT PROVIDED
FCST VA CLD +18 HR: 02/1110Z NOT PROVIDED
RMK: SECOND MAJOR ERUPTION UNDERWAY. MORE DETAILED ADVISORY
TO FOLLOW.
NXT ADVISORY: NO LATER THAN 20250801/1750Z=
Volcanic Ash Advisory issued on 2025-08-01 at 16:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 370 (11100m) move w.
  • Cvghm vona 01 1248 UTC ground report of eruption with volcanic ash to 37069 feet moving w to nw. Volcanic ash identifiable on rgb satellite imagery moving radially out from summit. Height and movement from satellite imagery and ground observation.

Original Message :

Received FVAU04 at 16:25 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/1630Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/423
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: GROUND REPORT OF ERUPTION WITH VA TO FL370
MOV W
OBS VA DTG: 01/1610Z
OBS VA CLD: SFC/FL370 S0803 E12309 - S0849 E12345 - S0941 E12232 - S0824 E12108 - S0744 E12222 MOV W 15KT
E12232 - S0824 E12108 - S0744 E12222 MOV W 15KT
FCST VA CLD +6 HR: 01/2210Z SFC/FL370 S0736 E12322 - S0850 E12410 - S1021 E12152 - S0748 E11957 - S0711 E12122
E12410 - S1021 E12152 - S0748 E11957 - S0711 E12122
FCST VA CLD +12 HR: 02/0410Z SFC/FL370 S0722 E12332 - S0847 E12427 - S1047 E12131 - S0755 E11903 - S0656 E12107
E12427 - S1047 E12131 - S0755 E11903 - S0656 E12107
FCST VA CLD +18 HR: 02/1010Z SFC/FL370 S0706 E12336 - S0850 E12445 - S1111 E12111 - S0752 E11828 - S0647 E12042
E12445 - S1111 E12111 - S0752 E11828 - S0647 E12042
RMK: CVGHM VONA 01/1248Z GROUND REPORT OF ERUPTION WITH VA
TO 37069 FT MOVING W TO NW. VA IDENTIFIABLE ON RGB SATELLITE
IMAGERY MOVING RADIALLY OUT FROM SUMMIT. HEIGHT AND MOVEMENT
FROM SATELLITE IMAGERY AND GROUND OBSERVATION.
NXT ADVISORY: NO LATER THAN 20250801/1830Z=
Volcanic Ash Advisory issued on 2025-08-01 at 15:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 370 (11100m) move w.
  • Cvghm vona 01 1248 UTC ground report of eruption with volcanic ash to 37069 feet moving w to nw. Volcanic ash identifiable on rgb satellite imagery moving radially out from summit. Height and movement from satellite imagery and ground observation.

Original Message :

Received FVAU04 at 15:28 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/1530Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/422
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: GROUND REPORT OF ERUPTION WITH VA TO FL370
MOV W
OBS VA DTG: 01/1510Z
OBS VA CLD: SFC/FL370 S0808 E12304 - S0845 E12328 - S0930 E12216 - S0831 E12125 - S0755 E12227 MOV W 15KT
E12216 - S0831 E12125 - S0755 E12227 MOV W 15KT
FCST VA CLD +6 HR: 01/2110Z SFC/FL370 S0752 E12302 - S0847 E12337 - S0944 E12210 - S0811 E12054 - S0728 E12142
E12337 - S0944 E12210 - S0811 E12054 - S0728 E12142
FCST VA CLD +12 HR: 02/0310Z SFC/FL370 S0745 E12306 - S0853 E12348 - S1013 E12146 - S0746 E11953 - S0715 E12114
E12348 - S1013 E12146 - S0746 E11953 - S0715 E12114
FCST VA CLD +18 HR: 02/0910Z SFC/FL370 S0743 E12315 - S0853 E12359 - S1030 E12137 - S0746 E11931 - S0659 E12100
E12359 - S1030 E12137 - S0746 E11931 - S0659 E12100
RMK: CVGHM VONA 01/1248Z GROUND REPORT OF ERUPTION WITH VA
TO 37069 FT MOVING W TO NW. VA IDENTIFIABLE ON RGB SATELLITE
IMAGERY MOVING RADIALLY OUT FROM SUMMIT. HEIGHT AND MOVEMENT
FROM SATELLITE IMAGERY AND GROUND OBSERVATION.
NXT ADVISORY: NO LATER THAN 20250801/1630Z=
Volcanic Ash Advisory issued on 2025-08-01 at 14:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 370 (11100m) move w.
  • Ground report of eruption at 01 1248 UTC with volcanic ash to 37069 feet moving w to nw. Volcanic ash identifiable on satellite imagery moving radially out from summit. Height and movement from satellite imagery and ground observation.

Original Message :

Received FVAU04 at 14:27 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/1430Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/421
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: GROUND REPORT OF ERUPTION WITH VA TO FL370
MOV W
OBS VA DTG: 01/1410Z
OBS VA CLD: SFC/FL370 S0842 E12311 - S0901 E12228 - S0815 E12206 - S0805 E12252 MOV W 15KT
E12206 - S0805 E12252 MOV W 15KT
FCST VA CLD +6 HR: 01/2010Z SFC/FL370 S0847 E12313 - S0915 E12216 - S0815 E12121 - S0743 E12151 - S0757 E12250
E12216 - S0815 E12121 - S0743 E12151 - S0757 E12250
FCST VA CLD +12 HR: 02/0210Z SFC/FL370 S0851 E12317 - S0948 E12121 - S0803 E12004 - S0721 E12130 - S0751 E12251
E12121 - S0803 E12004 - S0721 E12130 - S0751 E12251
FCST VA CLD +18 HR: 02/0810Z SFC/FL370 S0855 E12324 - S1014 E12105 - S0806 E11915 - S0714 E12034 - S0739 E12247
E12105 - S0806 E11915 - S0714 E12034 - S0739 E12247
RMK: GROUND REPORT OF ERUPTION AT 01/1248Z WITH VA TO 37069
FT MOVING W TO NW. VA IDENTIFIABLE ON SATELLITE IMAGERY
MOVING RADIALLY OUT FROM SUMMIT. HEIGHT AND MOVEMENT FROM
SATELLITE IMAGERY AND GROUND OBSERVATION.
NXT ADVISORY: NO LATER THAN 20250801/1530Z=
Volcanic Ash Advisory issued on 2025-08-01 at 13:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 370 (11100m) move w.
  • Ground report of eruption at 01 1248 UTC with volcanic ash to 37069 feet moving w to nw. Volcanic ash identifiable on satellite imagery moving w and southwest.

Original Message :

Received FVAU04 at 13:35 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/1330Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/420
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: GROUND REPORT OF ERUPTION WITH VA TO FL370
MOV W
OBS VA DTG: 01/1310Z
OBS VA CLD: SFC/FL370 S0836 E12253 - S0848 E12227 - S0822 E12220 - S0824 E12249 MOV SW 20KT
E12220 - S0824 E12249 MOV SW 20KT
FCST VA CLD +6 HR: 01/1910Z SFC/FL370 S0837 E12254 - S0920 E12153 - S0816 E12140 - S0824 E12251
E12153 - S0816 E12140 - S0824 E12251
FCST VA CLD +12 HR: 02/0110Z SFC/FL370 S0837 E12254 - S0925 E12149 - S0815 E12134 - S0815 E12227 - S0825 E12251
E12149 - S0815 E12134 - S0815 E12227 - S0825 E12251
FCST VA CLD +18 HR: 02/0710Z SFC/FL370 S0837 E12255 - S0932 E12144 - S0816 E12128 - S0814 E12215 - S0824 E12252
E12144 - S0816 E12128 - S0814 E12215 - S0824 E12252
RMK: GROUND REPORT OF ERUPTION AT 01/1248Z WITH VA TO 37069
FT MOVING W TO NW. VA IDENTIFIABLE ON SATELLITE IMAGERY
MOVING W AND SW.
NXT ADVISORY: NO LATER THAN 20250801/1630Z=
Volcanic Ash Advisory issued on 2025-08-01 at 13:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 380 (11400m) move nw.
  • Ground report of eruption with volcanic ash to 37069 feet moving w to nw. Volcanic ash identifiable on satellite imagery moving w. A more dtailed advisory to be issued as soon as possibe.

Original Message :

Received FVAU04 at 13:10 UTC, 01/08/25 from ADRM
VA ADVISORY
DTG: 20250801/1310Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/419
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: GROUND REPORT OF ERUPTION WITH VA TO FL380
MOV NW
EST VA DTG: 01/1250Z
EST VA CLD: SFC/FL380 S0834 E12247 - S0833 E12240 - S0827 E12242 - S0832 E12248 MOV NW 15KT
E12242 - S0832 E12248 MOV NW 15KT
FCST VA CLD +6 HR: 01/1850Z NOT AVBL
FCST VA CLD +12 HR: 02/0050Z NOT AVBL
FCST VA CLD +18 HR: 02/0650Z NOT AVBL
RMK: GROUND REPORT OF ERUPTION WITH VA TO 37069 FT MOVING W
TO NW. VA IDENTIFIABLE ON SATELLITE IMAGERY MOVING W. A MORE
DTAILED ADVISORY TO BE ISSUED ASAP.
NXT ADVISORY: NO LATER THAN 20250801/1330Z=
Volcanic Ash Advisory issued on 2025-07-18 at 13:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) observation move southwest at 18 0810 UTC.
  • Volcanic ash is not detected on satellite imagery. Ash from earlier eruption is expected to have dissipated. No recent reports of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU04 at 12:59 UTC, 18/07/25 from ADRM
VA ADVISORY
DTG: 20250718/1300Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/418
INFO SOURCE: HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL080 OBS MOV SW AT 18/0810Z
OBS VA DTG: 18/1240Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL080 090/10KT
SFC/FL080 090/10KT
FCST VA CLD +6 HR: 18/1840Z NO VA EXP
FCST VA CLD +12 HR: 19/0040Z NO VA EXP
FCST VA CLD +18 HR: 19/0640Z NO VA EXP
RMK: VA IS NOT DETECTED ON SATELLITE IMAGERY. ASH FROM
EARLIER ERUPTION IS EXPECTED TO HAVE DISSIPATED. NO RECENT
REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-07-18 at 08:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) observation move southwest at 18 0810 UTC.
  • Discrete volcanic ash emission identifiable on satellite imagery move southwest. Volcanic ash is expected to dissipate height and move based on himawari-9 satellite imagery and.

Original Message :

Received FVAU04 at 08:29 UTC, 18/07/25 from ADRM
VA ADVISORY
DTG: 20250718/0830Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/417
INFO SOURCE: HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL080 OBS MOV SW AT 18/0810Z
OBS VA DTG: 18/0810Z
OBS VA CLD: SFC/FL080 S0832 E12248 - S0849 E12244 - S0849 E12237 - S0842 E12233 - S0831 E12246 MOV SW 05KT
E12237 - S0842 E12233 - S0831 E12246 MOV SW 05KT
FCST VA CLD +6 HR: 18/1410Z NO VA EXP
FCST VA CLD +12 HR: 18/2010Z NO VA EXP
FCST VA CLD +18 HR: 19/0210Z NO VA EXP
RMK: DISCRETE VA EMISSION IDENTIFIABLE ON SAT IMAGERY MOV
SW. VA IS EXPECTED TO DISSIPATE WITHIN 3-6HRS. HEIGHT AND
MOV BASED ON HIMAWARI-9 SATELLITE IMAGERY AND MODELS.
NXT ADVISORY: NO LATER THAN 20250718/1430Z=
Volcanic Ash Advisory issued on 2025-07-14 at 00:14 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash reported to height at 13 2328 UTC.
  • Cvghm report eruption to height. Volcanic ash not identifiable on satellite imagery. Height and winds based on model guidance. Advisory will be updated if further information is.

Original Message :

Received FVAU04 at 00:14 UTC, 14/07/25 from ADRM
VA ADVISORY
DTG: 20250714/0014Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/416
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA REPORTED TO UNKOWN HEIGHT AT 13/2328Z
EST VA DTG: 13/2350Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL100 100/15KT
SFC/FL100 100/15KT
FCST VA CLD +6 HR: 14/0550Z NO VA EXP
FCST VA CLD +12 HR: 14/1150Z NO VA EXP
FCST VA CLD +18 HR: 14/1750Z NO VA EXP
RMK: CVGHM REPORT ERUPTION TO UNKNOWN HEIGHT. VA NOT
IDENTIFIABLE ON SAT IMAGERY. HEIGHT AND WINDS BASED ON MODEL
GUIDANCE. ADVISORY WILL BE UPDATED IF FURTHER INFORMATION IS
Volcanic Ash Advisory issued on 2025-07-11 at 19:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 180 (5400m) last observation before a break in coverage at a manual station observation at 11 1550 UTC move southwest.
  • Current satellite imagery indicates that volcanic ash has now dissipated. No further reports of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU01 at 19:09 UTC, 11/07/25 from ADRM
VA ADVISORY
DTG: 20250711/1910Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/415
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL180 LAST OBS AT 11/1550Z MOV SW
OBS VA DTG: 11/1850Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL180 040/05KT
SFC/FL180 040/05KT
FCST VA CLD +6 HR: 12/0050Z NO VA EXP
FCST VA CLD +12 HR: 12/0650Z NO VA EXP
FCST VA CLD +18 HR: 12/1250Z NO VA EXP
RMK: CURRENT SATELLITE IMAGERY INDICATES THAT VA HAS NOW
DISSIPATED. NO FURTHER REPORTS OF NEW OR ONGOING ERUPTION.
ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-07-11 at 13:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 180 (5400m) observation at 11 1310 UTC move ssw.
  • Discrete volcanic ash identifiable on satellite imagery. Cvghm vona reported volcanic ash eruption 4000m above the summit 11/0610z. Height and movement based on satellite imagery, ground report and model guidance. Volcanic ash expected to dissipate 6.

Original Message :

Received FVAU05 at 13:31 UTC, 11/07/25 from ADRM
VA ADVISORY
DTG: 20250711/1330Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/414
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL180 OBS AT 11/1310Z MOV SSW
OBS VA DTG: 11/1310Z
OBS VA CLD: SFC/FL180 S0829 E12244 - S0832 E12251 - S0912 E12248 - S0915 E12230 - S0901 E12222 MOV SW 05KT
E12248 - S0915 E12230 - S0901 E12222 MOV SW 05KT
FCST VA CLD +6 HR: 11/1910Z NO VA EXP
FCST VA CLD +12 HR: 12/0110Z NO VA EXP
FCST VA CLD +18 HR: 12/0710Z NO VA EXP
RMK: DISCRETE VA IDENTIFIABLE ON SATELLITE IMAGERY. CVGHM
VONA REPORTED VA ERUPTION 4000M ABOVE THE SUMMIT 11/0610Z.
HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORT AND MODEL GUIDANCE. VA EXPECTED TO DISSIPATE WITHIN 6
HOURS.
NXT ADVISORY: NO LATER THAN 20250711/1930Z=
Volcanic Ash Advisory issued on 2025-07-11 at 07:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 180 (5400m).
  • Cvghm ground report of eruption at 11 0610 UTC with volcanic ash to 17869ft. Volcanic ash dettected on satellite imagery moving south to southwest of summit. Height and movement from himawari-9 and ground report.

Original Message :

Received FVAU05 at 07:30 UTC, 11/07/25 from ADRM
VA ADVISORY
DTG: 20250711/0730Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/413
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: GROUND REPORT OF ERUPTION WITH VA TO FL180
OBS VA DTG: 11/0710Z
OBS VA CLD: SFC/FL180 S0833 E12250 - S0850 E12250 - S0903 E12223 - S0842 E12211 - S0829 E12247 MOV SW 10KT
E12223 - S0842 E12211 - S0829 E12247 MOV SW 10KT
FCST VA CLD +6 HR: 11/1310Z SFC/FL180 S0833 E12250 - S0855 E12252 - S0904 E12226 - S0846 E12208 - S0829 E12248
E12252 - S0904 E12226 - S0846 E12208 - S0829 E12248
FCST VA CLD +12 HR: 11/1910Z SFC/FL180 S0830 E12248 - S0834 E12251 - S0901 E12253 - S0906 E12231 - S0846 E12208
E12251 - S0901 E12253 - S0906 E12231 - S0846 E12208
FCST VA CLD +18 HR: 12/0110Z SFC/FL180 S0830 E12248 - S0834 E12250 - S0904 E12250 - S0903 E12214 - S0849 E12203 - S0833 E12207
E12207
RMK: CVGHM GROUND REPORT OF ERUPTION AT 11/0610Z WITH VA TO
17869FT. VA DETTECTED ON SATELLITE IMAGERY MOVING S TO SW OF
SUMMIT. HEIGHT AND MOVEMENT FROM HIMAWARI-9 AND GROUND
REPORT.
NXT ADVISORY: NO LATER THAN 20250711/1330Z=
Volcanic Ash Advisory issued on 2025-07-11 at 06:35 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 180 (5400m).
  • Cvghm ground report of eruption with volcanic ash to 17869ft moving w to nw. Volcanic ash not detected on current satellite imagery. Height from report. Movement from report and model guidance.

Original Message :

Received FVAU05 at 06:39 UTC, 11/07/25 from ADRM
VA ADVISORY
DTG: 20250711/0635Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/412
INFO SOURCE: CVGHM HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: GROUND REPORT OF ERUPTION WITH VA TO FL180
EST VA DTG: 11/0620Z
EST VA CLD: SFC/FL180 S0833 E12250 - S0848 E12229 - S0832 E12221 - S0829 E12248 MOV SW 10KT
E12221 - S0829 E12248 MOV SW 10KT
FCST VA CLD +6 HR: 11/1220Z SFC/FL180 S0829 E12247 - S0833 E12250 - S0857 E12217 - S0836 E12208
E12250 - S0857 E12217 - S0836 E12208
FCST VA CLD +12 HR: 11/1820Z SFC/FL180 S0829 E12248 - S0833 E12250 - S0856 E12215 - S0834 E12207
E12250 - S0856 E12215 - S0834 E12207
FCST VA CLD +18 HR: 12/0020Z SFC/FL180 S0830 E12248 - S0833 E12250 - S0900 E12219 - S0835 E12207
E12250 - S0900 E12219 - S0835 E12207
RMK: CVGHM GROUND REPORT OF ERUPTION WITH VA TO 17869FT
MOVING W TO NW. VA NOT DETECTED ON CURRENT SATELLITE
IMAGERY. HEIGHT FROM REPORT. MOVEMENT FROM REPORT AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250711/1235Z=
Volcanic Ash Advisory issued on 2025-07-09 at 13:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported 08 2326 UTC.
  • Volcanic ash not discernible on satellite imagery in clear conditions. No reports of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU04 at 13:11 UTC, 09/07/25 from ADRM
VA ADVISORY
DTG: 20250709/1316Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/411
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION LAST REPORTED 08/2326Z
OBS VA DTG: 09/1250Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL120 120/05KT
SFC/FL120 120/05KT
FCST VA CLD +6 HR: 09/1850Z NO VA EXP
FCST VA CLD +12 HR: 10/0050Z NO VA EXP
FCST VA CLD +18 HR: 10/0650Z NO VA EXP
RMK: VA NOT DISCERNIBLE ON SAT IMAGERY IN CLEAR CONDITIONS.
NO REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-07-09 at 07:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported 08 2326 UTC.
  • Volcanic ash unidentifiable on current satellite imagery. However, intermittent discrete eruption expected to be ongoing. Forecast based on recent ground report and model guidance.

Original Message :

Received FVAU05 at 07:14 UTC, 09/07/25 from ADRM
VA ADVISORY
DTG: 20250709/0716Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/410
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION LAST REPORTED 08/2326Z
EST VA DTG: 09/0650Z
EST VA CLD: SFC/FL120 S0835 E12250 - S0835 E12211 - S0806 E12220 - S0831 E12251 MOV NW 10KT
E12220 - S0831 E12251 MOV NW 10KT
FCST VA CLD +6 HR: 09/1250Z SFC/FL120 S0835 E12249 - S0837 E12212 - S0821 E12213 - S0806 E12221 - S0832 E12250
E12212 - S0821 E12213 - S0806 E12221 - S0832 E12250
FCST VA CLD +12 HR: 09/1850Z SFC/FL120 S0836 E12250 - S0841 E12212 - S0822 E12213 - S0809 E12226 - S0831 E12251
E12212 - S0822 E12213 - S0809 E12226 - S0831 E12251
FCST VA CLD +18 HR: 10/0050Z SFC/FL120 S0836 E12249 - S0836 E12211 - S0820 E12214 - S0808 E12224 - S0831 E12251
E12211 - S0820 E12214 - S0808 E12224 - S0831 E12251
RMK: VA UNIDENTIFIABLE ON CURRENT SAT IMAGERY. HOWEVER,
INTERMITTENT DISCRETE ERUPTION EXPECTED TO BE ONGOING. FCST
BASED ON RECENT GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250709/1316Z=
Volcanic Ash Advisory issued on 2025-07-09 at 01:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported 08 1852 UTC.
  • Volcanic ash unidentifiable on current satellite imagery. However, intermittent discrete eruption expected to be ongoing. Forecast based on recent ground report and model guidance.

Original Message :

Received FVAU05 at 01:10 UTC, 09/07/25 from ADRM
VA ADVISORY
DTG: 20250709/0116Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/409
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION LAST REPORTED 08/1852Z
EST VA DTG: 09/0050Z
EST VA CLD: SFC/FL120 S0835 E12248 - S0835 E12211 - S0808 E12219 - S0830 E12249 MOV NW 05KT
E12219 - S0830 E12249 MOV NW 05KT
FCST VA CLD +6 HR: 09/0650Z SFC/FL120 S0835 E12249 - S0833 E12211 - S0806 E12220 - S0832 E12250
E12211 - S0806 E12220 - S0832 E12250
FCST VA CLD +12 HR: 09/1250Z SFC/FL120 S0835 E12248 - S0837 E12212 - S0821 E12213 - S0806 E12221 - S0832 E12250
E12212 - S0821 E12213 - S0806 E12221 - S0832 E12250
FCST VA CLD +18 HR: 09/1850Z SFC/FL120 S0836 E12250 - S0841 E12212 - S0822 E12213 - S0822 E12214 - S0809 E12226 - S0829 E12250
E12250
RMK: VA UNIDENTIFIABLE ON CURRENT SAT IMAGERY. HOWEVER,
INTERMITTENT DISCRETE ERUPTION EXPECTED TO BE ONGOING. FCST
BASED ON RECENT GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250709/0716Z=
Volcanic Ash Advisory issued on 2025-07-08 at 19:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported 08 1421 UTC.
  • Volcanic ash unidentifiable on current satellite imagery. However, intermittent discrete eruption expected to be ongoing. Forecast based on consensus model guidance.

Original Message :

Received FVAU05 at 19:12 UTC, 08/07/25 from ADRM
VA ADVISORY
DTG: 20250708/1916Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/408
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION LAST REPORTED 08/1421Z
EST VA DTG: 08/1840Z
EST VA CLD: SFC/FL120 S0834 E12247 - S0835 E12211 - S0807 E12219 - S0832 E12248 MOV NW 10KT
E12219 - S0832 E12248 MOV NW 10KT
FCST VA CLD +6 HR: 09/0040Z SFC/FL120 S0832 E12248 - S0835 E12247 - S0835 E12211 - S0808 E12219
E12247 - S0835 E12211 - S0808 E12219
FCST VA CLD +12 HR: 09/0640Z SFC/FL120 S0835 E12246 - S0831 E12209 - S0810 E12224 - S0833 E12249
E12209 - S0810 E12224 - S0833 E12249
FCST VA CLD +18 HR: 09/1240Z SFC/FL120 S0834 E12247 - S0830 E12209 - S0810 E12224 - S0832 E12249
E12209 - S0810 E12224 - S0832 E12249
RMK: VA UNIDENTIFIABLE ON CURRENT SAT IMAGERY. HOWEVER,
INTERMITTENT DISCRETE ERUPTION EXPECTED TO BE ONGOING. FCST
BASED ON CONSENSUS MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250709/0116Z=
Volcanic Ash Advisory issued on 2025-07-08 at 13:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported 08 0808 UTC.
  • Volcanic ash unidentifiable on current satellite imagery. However, intermittent discrete eruption expected to be ongoing. Forecast based on consensus model guidance.

Original Message :

Received FVAU05 at 13:15 UTC, 08/07/25 from ADRM
VA ADVISORY
DTG: 20250708/1316Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/407
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION LAST REPORTED 08/0808Z
EST VA DTG: 08/1250Z
EST VA CLD: SFC/FL090 S0834 E12247 - S0836 E12211 - S0807 E12219 - S0831 E12248 MOV W 20KT
E12219 - S0831 E12248 MOV W 20KT
FCST VA CLD +6 HR: 08/1850Z SFC/FL090 S0834 E12247 - S0835 E12211 - S0807 E12219 - S0832 E12248
E12211 - S0807 E12219 - S0832 E12248
FCST VA CLD +12 HR: 09/0050Z SFC/FL090 S0835 E12247 - S0835 E12211 - S0814 E12217 - S0832 E12248
E12211 - S0814 E12217 - S0832 E12248
FCST VA CLD +18 HR: 09/0650Z SFC/FL090 S0834 E12247 - S0836 E12211 - S0814 E12217 - S0831 E12248
E12211 - S0814 E12217 - S0831 E12248
RMK: VA UNIDENTIFIABLE ON CURRENT SAT IMAGERY. HOWEVER,
INTERMITTENT DISCRETE ERUPTION EXPECTED TO BE ONGOING. FCST
BASED ON CONSENSUS MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250708/1916Z=
Volcanic Ash Advisory issued on 2025-07-08 at 07:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station reported 07 2152 UTC.
  • Volcanic ash unidentifiable on current satellite imagery due to meteorological cloud, however, volcanic ash still expected in the area. Forecast based on model guidance.

Original Message :

Received FVAU05 at 07:11 UTC, 08/07/25 from ADRM
VA ADVISORY
DTG: 20250708/0716Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/406
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION LAST REPORTED 07/2152Z
EST VA DTG: 08/0650Z
EST VA CLD: SFC/FL090 S0835 E12249 - S0837 E12209 - S0812 E12213 - S0829 E12250 MOV W 15KT
E12213 - S0829 E12250 MOV W 15KT
FCST VA CLD +6 HR: 08/1250Z SFC/FL090 S0835 E12248 - S0832 E12210 - S0807 E12219 - S0830 E12250
E12210 - S0807 E12219 - S0830 E12250
FCST VA CLD +12 HR: 08/1850Z SFC/FL090 S0835 E12248 - S0832 E12210 - S0807 E12219 - S0830 E12250
E12210 - S0807 E12219 - S0830 E12250
FCST VA CLD +18 HR: 09/0050Z SFC/FL090 S0835 E12248 - S0833 E12210 - S0807 E12219 - S0830 E12249
E12210 - S0807 E12219 - S0830 E12249
RMK: VA UNIDENTIFIABLE ON CURRENT SAT IMAGERY DUE TO MET
CLOUD, HOWEVER, VA STILL EXPECTED IN THE AREA. FCST BASED ON
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250708/1316Z=
Volcanic Ash Advisory issued on 2025-07-08 at 04:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 180 (5400m) move w, flight level 90 (2700m) near summit.
  • Detached volcanic ash to flight level 180 (5400m) move w partially discernible on visibility satellite img, forecast to dissipate continuous volcanic ash to flight level 90 (2700m) near summit ext w obscured by meteorological cloud. Forecast based on himawari-9 and model guidance.

Original Message :

Received FVAU05 at 04:23 UTC, 08/07/25 from ADRM
VA ADVISORY
DTG: 20250708/0416Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/405
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL180 MOV W, FL090 NEAR SUMMIT
EST VA DTG: 08/0350Z
EST VA CLD: SFC/FL090 S0835 E12249 - S0839 E12208 - S0811 E12212 - S0829 E12249 MOV W 20KT SFC/FL180 S0824 E12013 - S0834 E11948 - S0756 E11943 - S0758 E12009 MOV W 30KT
S0834 E11948 - S0756 E11943 - S0758 E12009 MOV W 30KT
FCST VA CLD +6 HR: 08/0950Z SFC/FL090 S0835 E12249 - S0842 E12209 - S0815 E12210 - S0829 E12249
E12209 - S0815 E12210 - S0829 E12249
FCST VA CLD +12 HR: 08/1550Z SFC/FL090 S0835 E12249 - S0842 E12209 - S0815 E12209 - S0829 E12249
E12209 - S0815 E12209 - S0829 E12249
FCST VA CLD +18 HR: 08/2150Z SFC/FL090 S0836 E12248 - S0831 E12210 - S0808 E12218 - S0830 E12250
E12210 - S0808 E12218 - S0830 E12250
RMK: DETACHED VA TO FL180 MOV W PARTIALLY DISCERNIBLE ON VIS
SAT IMG, FCST TO DISSIPATE WITHIN 3-6HRS. CONTINUOUS VA TO
FL090 NEAR SUMMIT EXT W OBSCURED BY MET CLOUD. FCST BASED ON
HIMAWARI-9 AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250708/0716Z=
Volcanic Ash Advisory issued on 2025-07-08 at 01:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move sw, flight level 300 (9000m) move nw, flight level 180 (5400m) move w, flight level 90 (2700m) near summit.
  • Volcanic ash to flight level 480 (14400m) and flight level 300 (9000m) partially discernible on visibility satellite img, forecast to dissipate detached volcanic ash to flight level 180 (5400m) move w, forecast to dissipate possible volcanic ash to flight level 90 (2700m) near summit. Forecast based on himawari-9 and model guidance.

Original Message :

Received FVAU05 at 01:16 UTC, 08/07/25 from ADRM
VA ADVISORY
DTG: 20250708/0116Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/404
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV SW, FL300 MOV NW, FL180
MOV W, FL090 NEAR SUMMIT
EST VA DTG: 08/0050Z
EST VA CLD: SFC/FL090 S0836 E12249 - S0837 E12210 - S0812 E12214 - S0828 E12249 MOV W 20KT SFC/FL180 S0831 E12143 - S0836 E12128 - S0814 E12118 - S0754 E12128 - S0804 E12146 MOV W 30KT SFC/FL300 S0713 E11811 - S0728 E11735 - S0657 E11711 - S0640 E11731 MOV NW 30KT SFC/FL480 S1232 E11012 - S1234 E10912 - S1118 E10822 - S1039 E10924 MOV SW 35KT
S1234 E10912 - S1118 E10822 - S1039 E10924 MOV SW 35KT
FCST VA CLD +6 HR: 08/0650Z SFC/FL090 S0836 E12249 - S0837 E12211 - S0811 E12214 - S0828 E12250 SFC/FL180 S0804 E11848 - S0810 E11818 - S0721 E11811 - S0731 E11844
- S0810 E11818 - S0721 E11811 - S0731 E11844
FCST VA CLD +12 HR: 08/1250Z SFC/FL090 S0835 E12250 - S0841 E12208 - S0813 E12209 - S0828 E12250
E12208 - S0813 E12209 - S0828 E12250
FCST VA CLD +18 HR: 08/1850Z SFC/FL090 S0835 E12248 - S0833 E12208 - S0806 E12214 - S0828 E12250
E12208 - S0806 E12214 - S0828 E12250
RMK: VA TO FL480 AND FL300 PARTIALLY DISCERNIBLE ON VIS SAT
IMG, FCST TO DISSIPATE WITHIN 3-6HRS. DETACHED VA TO FL180
MOV W, FCST TO DISSIPATE WITHIN 12HRS. POSSIBLE VA TO FL090
NEAR SUMMIT. FCST BASED ON HIMAWARI-9 AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250708/0416Z=
Volcanic Ash Advisory issued on 2025-07-07 at 22:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move sw, flight level 300 (9000m) move nw, flight level 200 (6000m) move w, flight level 180 (5400m) move w.
  • Volcanic ash to 480, flight level 300 (9000m) and flight level 200 (6000m) discernible on latest rgb satellite imagery. Volcanic ash to flight level 300 (9000m) forecast to dissipate 9hrs, flight level 200 (6000m) 15hrs and flight level 480 (14400m) continuous volcanic ash to flight level 180 (5400m) ext w. Forecast based on himawari-9 img and model guidance.

Original Message :

Received FVAU05 at 22:14 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/2216Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/403
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV SW, FL300 MOV NW, FL200
MOV W, FL180 MOV W
OBS VA DTG: 07/2150Z
OBS VA CLD: SFC/FL180 S0840 E12251 - S0839 E12123 - S0803 E12123 - S0826 E12254 MOV W 15KT SFC/FL200 S0622 E11750 - S0810 E11634 - S0725 E11520 - S0559 E11627 MOV W 25KT SFC/FL300 S0800 E11938 - S0726 E11759 - S0627 E11824 - S0651 E11932 MOV NW 25KT SFC/FL480 S1130 E11616 - S1306 E10908 - S0905 E10623 - S0852 E11256 MOV SW 45KT
S0905 E10623 - S0852 E11256 MOV SW 45KT
FCST VA CLD +6 HR: 08/0350Z SFC/FL180 S0839 E12252 - S0839 E12124 - S0800 E12121 - S0826 E12254 SFC/FL200 S0545 E11609 - S0736 E11441 - S0701 E11303 - S0527 E11429 SFC/FL480 S1252 E11057 - S1435 E10330 - S0940 E10153 - S0905 E10816
E11057 - S1435 E10330 - S0940 E10153 - S0905 E10816
FCST VA CLD +12 HR: 08/0950Z SFC/FL180 S0839 E12251 - S0833 E12120 - S0749 E12125 - S0826 E12252 SFC/FL480 S1352 E10611 - S1547 E09947 - S1015 E09735 - S0928 E10401
- S1547 E09947 - S1015 E09735 - S0928 E10401
FCST VA CLD +18 HR: 08/1550Z SFC/FL180 S0838 E12251 - S0834 E12120 - S0748 E12125 - S0826 E12253 SFC/FL480 S1514 E10151 - S1714 E09521 - S1040 E09318 - S1007 E10004
- S1714 E09521 - S1040 E09318 - S1007 E10004
RMK: VA TO FL480, FL300 AND FL200 DISCERNIBLE ON LATEST RGB
SATELLITE IMAGERY. VA TO FL300 FCST TO DISSIPATE WITHIN
9HRS, FL200 WITHIN 15HRS AND FL480 WITHIN 24HRS. CONTINUOUS
VA TO FL180 EXT W. FORECAST BASED ON HIMAWARI-9 IMG AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250708/0116Z=
Volcanic Ash Advisory issued on 2025-07-07 at 19:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move sw, flight level 300 (9000m) move nw, flight level 200 (6000m) move w, flight level 90 (2700m) move w.
  • Volcanic ash to 480, flight level 300 (9000m) and flight level 200 (6000m) discernible on latest rgb satellite imagery. Volcanic ash to flight level 300 (9000m) forecast to dissipate 12hrs, flight level 200 (6000m) 18hrs and flight level 480 (14400m) continuous volcanic ash to flight level 90 (2700m) ext w. Forecast based on himawari-9 img and model guidance.

Original Message :

Received FVAU05 at 19:12 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/1916Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/402
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV SW, FL300 MOV NW, FL200
MOV W, FL090 MOV W
OBS VA DTG: 07/1850Z
OBS VA CLD: SFC/FL090 S0841 E12253 - S0833 E12126 - S0755 E12127 - S0827 E12257 MOV W 15KT SFC/FL200 S0811 E11901 - S0813 E11748 - S0800 E11650 - S0626 E11741 - S0632 E11826 MOV W 25KT SFC/FL300 S0800 E12030 - S0740 E11933 - S0700 E11953 - S0722 E12045 MOV NW 25KT SFC/FL480 S1114 E11702 - S1230 E11210 - S1102 E11035 - S0841 E11044 - S0855 E11436 MOV SW 45KT
MOV SW 45KT
FCST VA CLD +6 HR: 08/0050Z SFC/FL090 S0840 E12251 - S0839 E12123 - S0803 E12123 - S0826 E12254 SFC/FL200 S0801 E11715 - S0802 E11600 - S0748 E11450 - S0604 E11529 - S0624 E11708 SFC/FL300 S0739 E11851 - S0714 E11717 - S0606 E11737 - S0640 E11902 SFC/FL480 S1223 E11359 - S1407 E10725 - S0914 E10540 - S0841 E11208
- S0841 E11208
FCST VA CLD +12 HR: 08/0650Z SFC/FL090 S0839 E12252 - S0839 E12124 - S0800 E12121 - S0826 E12254 SFC/FL200 S0758 E11533 - S0736 E11253 - S0556 E11327 - S0603 E11522 SFC/FL480 S1319 E11050 - S1523 E10245 - S0939 E10100 - S0854 E10824
E11050 - S1523 E10245 - S0939 E10100 - S0854 E10824
FCST VA CLD +18 HR: 08/1250Z SFC/FL090 S0839 E12251 - S0833 E12120 - S0749 E12125 - S0826 E12252 SFC/FL480 S1419 E10659 - S1639 E09902 - S1007 E09700 - S0922 E10521
- S1639 E09902 - S1007 E09700 - S0922 E10521
RMK: VA TO FL480, FL300 AND FL200 DISCERNIBLE ON LATEST RGB
SATELLITE IMAGERY. VA TO FL300 FCST TO DISSIPATE WITHIN
12HRS, FL200 WITHIN 18HRS AND FL480 WITHIN 24HRS. CONTINUOUS
VA TO FL090 EXT W. FORECAST BASED ON HIMAWARI-9 IMG AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/2216Z=
Volcanic Ash Advisory issued on 2025-07-07 at 17:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move w, flight level 300 (9000m) move nw, flight level 200 (6000m) move w, flight level 90 (2700m) move w.
  • Volcanic ash to flight level 480 (14400m) and flight level 300 (9000m) discernible on latest rgb satellite imagery. Volcanic ash to flight level 300 (9000m) forecast to dissipate 12hrs and flight level 200 (6000m) continuous volcanic ash to flight level 90 (2700m) ext w. Forecast based on himawari-9 img and model guidance.

Original Message :

Received FVAU05 at 17:09 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/1716Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/401
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV W, FL300 MOV NW, FL200 MOV
W, FL090 MOV W
OBS VA DTG: 07/1650Z
OBS VA CLD: SFC/FL090 S0842 E12253 - S0835 E12122 - S0744 E12135 - S0825 E12259 MOV W 10KT SFC/FL200 S0803 E11944 - S0810 E11846 - S0755 E11739 - S0627 E11811 - S0703 E11952 MOV W 25KT SFC/FL300 S0815 E12112 - S0800 E12027 - S0732 E12034 - S0735 E12114 MOV NW 25KT SFC/FL480 S1040 E11809 - S1159 E11343 - S1037 E11144 - S0848 E11239 - S0835 E11510 MOV W 45KT
MOV W 45KT
FCST VA CLD +6 HR: 07/2250Z SFC/FL090 S0843 E12255 - S0858 E12122 - S0755 E12127 - S0826 E12301 SFC/FL200 S0806 E11757 - S0808 E11634 - S0754 E11549 - S0621 E11615 - S0634 E11816 SFC/FL300 S0747 E11908 - S0731 E11752 - S0628 E11811 - S0645 E11927 SFC/FL480 S1140 E11547 - S1258 E10824 - S1110 E10714 - S0838 E10813 - S0844 E11347
- S0838 E10813 - S0844 E11347
FCST VA CLD +12 HR: 08/0450Z SFC/FL090 S0843 E12253 - S0906 E12124 - S0814 E12122 - S0827 E12257 SFC/FL200 S0750 E11607 - S0751 E11452 - S0723 E11345 - S0549 E11353 - S0617 E11624 SFC/FL480 S1221 E11205 - S1403 E10258 - S0804 E10249 - S0839 E11014
E11014
FCST VA CLD +18 HR: 08/1050Z SFC/FL090 S0843 E12253 - S0911 E12123 - S0813 E12120 - S0827 E12258 SFC/FL480 S1252 E10846 - S1427 E09835 - S0840 E09750 - S0826 E10643
- S1427 E09835 - S0840 E09750 - S0826 E10643
RMK: VA TO FL480 AND FL300 DISCERNIBLE ON LATEST RGB
SATELLITE IMAGERY. VA TO FL300 FCST TO DISSIPATE WITHIN
12HRS AND FL200 WITHIN 18HRS. CONTINUOUS VA TO FL090 EXT W.
FORECAST BASED ON HIMAWARI-9 IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/1916Z=
Volcanic Ash Advisory issued on 2025-07-07 at 15:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move w, flight level 300 (9000m) move nw, flight level 200 (6000m) move w, flight level 90 (2700m) move nw.
  • Volcanic ash to 480, flight level 300 (9000m) and flight level 200 (6000m) discernible on latest rgb satellite imagery. Volcanic ash to flight level 300 (9000m) forecast to disipate 12hrs and flight level 200 (6000m) continuous volcanic ash to flight level 90 (2700m) ext w. Forecast based on himawari-9 img and model guidance.

Original Message :

Received FVAU05 at 15:11 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/1516Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/400
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV W, FL300 MOV NW, FL200 MOV
W, FL090 MOV NW
OBS VA DTG: 07/1450Z
OBS VA CLD: SFC/FL090 S0847 E12254 - S0847 E12017 - S0659 E12041 - S0826 E12301 MOV W 10KT SFC/FL200 S0821 E12029 - S0821 E11901 - S0757 E11815 - S0638 E11823 - S0658 E12024 MOV W 30KT SFC/FL300 S0819 E12142 - S0814 E12119 - S0746 E12120 - S0755 E12145 MOV NW 30KT SFC/FL480 S1005 E11822 - S1144 E11455 - S0954 E11254 - S0834 E11415 - S0837 E11611 MOV W 45KT
MOV W 45KT
FCST VA CLD +6 HR: 07/2050Z SFC/FL090 S0847 E12255 - S0853 E12025 - S0711 E12037 - S0822 E12304 SFC/FL200 S0800 E11851 - S0801 E11735 - S0742 E11624 - S0611 E11635 - S0635 E11855 SFC/FL480 S1012 E11603 - S1158 E11239 - S1031 E10922 - S0834 E11019 - S0844 E11458 SFC/FL300 S0813 E12022 - S0757 E11847 - S0647 E11858 - S0708 E12021
- S0647 E11858 - S0708 E12021
FCST VA CLD +12 HR: 08/0250Z SFC/FL090 S0826 E12301 - S0848 E12255 - S0901 E12021 - S0715 E12032 SFC/FL200 S0744 E11648 - S0746 E11531 - S0720 E11409 - S0546 E11423 - S0610 E11658 SFC/FL480 S1156 E11140 - S1231 E10432 - S0738 E10405 - S0805 E11108
E11108
FCST VA CLD +18 HR: 08/0850Z SFC/FL090 S0846 E12256 - S0907 E12026 - S0726 E12032 - S0825 E12301 SFC/FL480 S1152 E10616 - S1304 E09826 - S0705 E09817 - S0740 E10542
- S1304 E09826 - S0705 E09817 - S0740 E10542
RMK: VA TO FL480, FL300 AND FL200 DISCERNIBLE ON LATEST RGB
SATELLITE IMAGERY. VA TO FL300 FCST TO DISIPATE WITHIN 12HRS
AND FL200 WITHIN 18HRS. CONTINUOUS VA TO FL090 EXT W.
FORECAST BASED ON HIMAWARI-9 IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/1716Z=
Volcanic Ash Advisory issued on 2025-07-07 at 13:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move w, flight level 300 (9000m) move nw, flight level 200 (6000m) move nw, flight level 90 (2700m) move nw.
  • Volcanic ash to flight level 480 (14400m) discernible on latest rgb satellite imagery. Decreased height of new eruption to flight level 300 (9000m) volcanic ash to flight level 300 (9000m) forecast to disipate 12hrs and flight level 200 (6000m) with continuous volcanic ash to flight level 90 (2700m) ext w. Forecast polygons based on himawari-9 img and model guidance.

Original Message :

Received FVAU05 at 13:13 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/1316Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/399
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV W, FL300 MOV NW, FL200 MOV
NW, FL090 MOV NW
OBS VA DTG: 07/1240Z
OBS VA CLD: SFC/FL090 S0846 E12251 - S0839 E12035 - S0701 E12056 - S0828 E12304 MOV NW 10KT SFC/FL200 S0821 E12046 - S0822 E11900 - S0723 E11859 - S0725 E12047 MOV W 20KT SFC/FL300 S0820 E12235 - S0835 E12222 - S0827 E12152 - S0758 E12208 MOV NW 30KT SFC/FL480 S0953 E11821 - S1007 E11510 - S0858 E11436 - S0827 E11617 - S0825 E11712 MOV W 45KT
S0858 E11436 - S0827 E11617 - S0825 E11712 MOV W 45KT
FCST VA CLD +6 HR: 07/1840Z SFC/FL090 S0847 E12254 - S0847 E12017 - S0659 E12041 - S0826 E12301 SFC/FL200 S0831 E11912 - S0813 E11710 - S0703 E11705 - S0723 E11906 SFC/FL300 S0803 E12037 - S0744 E11913 - S0651 E11917 - S0713 E12040 SFC/FL480 S1015 E11643 - S1136 E10911 - S0801 E10847 - S0835 E11531
E11531
FCST VA CLD +12 HR: 08/0040Z SFC/FL090 S0847 E12255 - S0858 E12031 - S0721 E12044 - S0822 E12304 SFC/FL200 S0816 E11744 - S0810 E11533 - S0654 E11533 - S0710 E11749 SFC/FL480 S1107 E11316 - S1158 E10529 - S0717 E10455 - S0820 E11232
E11316 - S1158 E10529 - S0717 E10455 - S0820 E11232
FCST VA CLD +18 HR: 08/0640Z SFC/FL090 S0826 E12301 - S0848 E12255 - S0858 E12031 - S0700 E12055 SFC/FL480 S1140 E10810 - S1246 E10030 - S0721 E10009 - S0749 E10738
- S1246 E10030 - S0721 E10009 - S0749 E10738
RMK: VA TO FL480 DISCERNIBLE ON LATEST RGB SATELLITE
IMAGERY. DECREASED HEIGHT OF NEW ERUPTION TO FL300. VA TO
FL300 FCST TO DISIPATE WITHIN 12HRS AND FL200 WITH 18HRS.
CONTINUOUS VA TO FL090 EXT W. FORECAST POLYGONS BASED ON
HIMAWARI-9 IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/1516Z=
Volcanic Ash Advisory issued on 2025-07-07 at 12:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to 500 move w, volcanic ash to flight level 480 (14400m) move w, flight level 200 (6000m) move nw, flight level 90 (2700m) move nw.
  • Volcanic ash to flight level 480 (14400m) discernible on latest vis/rgb satellite imagery. New eruption to flight level 500 (15000m) move w confirmed by ground. Volcanic ash to flight level 200 (6000m) forecast to disipate 18 continuous volcanic ash to flight level 90 (2700m) ext w. Forecast polygons based on himawari-9 img and model guidance.

Original Message :

Received FVAU05 at 12:15 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/1216Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/398
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO 500 MOV W, VA TO FL480 MOV W, FL200
MOV NW, FL090 MOV NW
OBS VA DTG: 07/1200Z
OBS VA CLD: SFC/FL090 S0845 E12253 - S0817 E12039 - S0655 E12111 - S0830 E12304 MOV W 10KT SFC/FL200 S0819 E12106 - S0833 E11915 - S0742 E11851 - S0721 E12057 MOV W 20KT SFC/FL480 S0932 E11844 - S1016 E11726 - S1011 E11546 - S0838 E11511 - S0813 E11755 MOV W 50KT SFC/FL500 S0847 E12258 - S0848 E12258 - S0842 E12223 - S0814 E12234 - S0827 E12306 MOV W 50KT
MOV W 50KT
FCST VA CLD +6 HR: 07/1800Z SFC/FL090 S0846 E12251 - S0839 E12035 - S0701 E12056 - S0828 E12304 SFC/FL200 S0833 E11929 - S0816 E11730 - S0707 E11724 - S0727 E11926 SFC/FL480 S1018 E11549 - S1133 E10733 - S0825 E10637 - S0832 E11532 SFC/FL500 S0743 E11943 - S0922 E11923 - S0928 E11650 - S0747 E11630
E11630
FCST VA CLD +12 HR: 08/0000Z SFC/FL090 S0847 E12254 - S0847 E12017 - S0659 E12041 - S0826 E12301 SFC/FL200 S0713 E11804 - S0815 E11752 - S0811 E11549 - S0654 E11553 SFC/FL500 S0947 E11828 - S1057 E11244 - S0812 E11217 - S0753 E11744 SFC/FL480 S1128 E11314 - S1312 E10235 - S0736 E10152 - S0815 E11134
E11134
FCST VA CLD +18 HR: 08/0600Z SFC/FL090 S0847 E12255 - S0858 E12031 - S0721 E12044 - S0822 E12304 SFC/FL500 S1043 E11317 - S1150 E10734 - S0752 E10652 - S0757 E11257 SFC/FL480 S1114 E11244 - S1242 E10308 - S0728 E10248 - S0818 E11202
E11244 - S1242 E10308 - S0728 E10248 - S0818 E11202
RMK: VA TO FL480 DISCERNIBLE ON LATEST VIS/RGB SATELLITE
IMAGERY. NEW ERUPTION TO FL500 MOV W CONFIRMED BY GROUND. VA
TO FL200 FCST TO DISIPATE WITHIN 18 HOURS. CONTINUOUS VA TO
FL090 EXT W. FORECAST POLYGONS BASED ON HIMAWARI-9 IMG AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/1316Z=
Volcanic Ash Advisory issued on 2025-07-07 at 11:58 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • New high level eruption to flight level 500 (15000m).
  • Ground report of on new high level eruption. A more detailed advisory will follow as soon as possible.

Original Message :

Received FVAU05 at 11:58 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/1158Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/397
INFO SOURCE: CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: NEW HIGH LEVEL ERUPTION TO FL500
EST VA DTG: 07/1131Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL500 090/45KT
SFC/FL500 090/45KT
FCST VA CLD +6 HR: 07/1731Z NOT AVBL
FCST VA CLD +12 HR: 07/2331Z NOT AVBL
FCST VA CLD +18 HR: 08/0531Z NOT AVBL
RMK: GROUND REPORT OF ON NEW HIGH LEVEL ERUPTION. A MORE
DETAILED ADVISORY WILL FOLLOW AS SOON AS POSSIBLE.
NXT ADVISORY: WILL BE ISSUED BY 20250707/1216Z=
Volcanic Ash Advisory issued on 2025-07-07 at 10:19 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move w, flight level 200 (6000m) move nw and flight level 90 (2700m) move nw.
  • Volcanic ash discernible on latest vis/rgb satellite imagery. Updated due volcanic ash to flight level 480 (14400m) detached and moving faster then forecast. Continuous volcanic ash to flight level 90 (2700m) ext nw. Forecast polygons based on himawari-9 and model guidance.

Original Message :

Received FVAU05 at 10:20 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/1019Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/396
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV W, FL200 MOV NW AND FL090
MOV NW
OBS VA DTG: 07/0930Z
OBS VA CLD: SFC/FL090 S0844 E12240 - S0721 E12026 - S0633 E12249 - S0837 E12302 MOV NW 10KT SFC/FL200 S0830 E12151 - S0855 E12006 - S0805 E11923 - S0741 E12056 MOV NW 15KT SFC/FL480 S0856 E12035 - S0952 E11927 - S1014 E11733 - S0827 E11648 - S0810 E12010 MOV W 50KT
E11648 - S0810 E12010 MOV W 50KT
FCST VA CLD +6 HR: 07/1530Z SFC/FL090 S0851 E12248 - S0755 E12041 - S0629 E12214 - S0734 E12314 - S0827 E12315 SFC/FL200 S0757 E12030 - S0800 E11742 - S0636 E11654 - S0630 E12012 SFC/FL480 S0958 E11757 - S1121 E11312 - S0816 E11232 - S0817 E11709
- S0817 E11709
FCST VA CLD +12 HR: 07/2130Z SFC/FL090 S0846 E12241 - S0727 E12047 - S0542 E12152 - S0617 E12322 - S0828 E12314 SFC/FL200 S0611 E12022 - S0727 E11830 - S0726 E11625 - S0613 E11537 - S0501 E11910 SFC/FL480 S1018 E11612 - S1133 E10733 - S0825 E10637 - S0832 E11532
- S0825 E10637 - S0832 E11532
FCST VA CLD +18 HR: 08/0330Z SFC/FL090 S0848 E12239 - S0724 E12023 - S0526 E12117 - S0607 E12302 - S0840 E12302 SFC/FL200 S0655 E11905 - S0706 E11516 - S0519 E11435 - S0433 E11904 SFC/FL480 S1128 E11314 - S1312 E10235 - S0736 E10152 - S0815 E11134
- S0815 E11134
RMK: VA DISCERNIBLE ON LATEST VIS/RGB SATELLITE IMAGERY.
UPDATED DUE VA TO FL480 DETACHED AND MOVING FASTER THEN
FORECAST. CONTINUOUS VA TO FL090 EXT NW. FORECAST POLYGONS
BASED ON HIMAWARI-9 AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/1220Z=
Volcanic Ash Advisory issued on 2025-07-07 at 09:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move w and flight level 150 (4500m) move nw.
  • Volcanic ash discernible on latest vis/rgb satellite imagery. Volcanic ash height to flight level 480 (14400m) based on infrared temperature of -51c. Continuous volcanic ash to flight level 90 (2700m) ext nw. Forecast polygons based on dispersion modelling.

Original Message :

Received FVAU05 at 09:07 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/0905Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/395
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV W AND FL150 MOV NW
OBS VA DTG: 07/0850Z
OBS VA CLD: SFC/FL090 S0840 E12251 - S0813 E12057 - S0716 E12126 - S0726 E12215 - S0827 E12255 MOV NW 15KT SFC/FL150 S0819 E12151 - S0848 E12100 - S0749 E12022 - S0657 E12142 - S0731 E12213 MOV NW 20KT SFC/FL480 S0844 E12059 - S0957 E11859 - S0903 E11807 - S0750 E11850 - S0752 E12027 MOV W 35KT
35KT
FCST VA CLD +6 HR: 07/1450Z SFC/FL090 S0844 E12240 - S0721 E12026 - S0633 E12249 - S0827 E12311 SFC/FL150 S0756 E12228 - S0849 E12040 - S0734 E11937 - S0657 E12210 SFC/FL480 S0854 E12044 - S0923 E11800 - S0829 E11720 - S0731 E11834 - S0735 E11947
E11947
FCST VA CLD +12 HR: 07/2050Z SFC/FL090 S0851 E12248 - S0755 E12041 - S0629 E12214 - S0734 E12314 - S0827 E12315 SFC/FL150 S0720 E12229 - S0822 E12125 - S0822 E11912 - S0658 E11824 - S0720 E12005 - S0626 E12133 SFC/FL480 S0822 E11918 - S0824 E11757 - S0919 E11524 - S0833 E11447 - S0717 E11625 - S0656 E11829
- S0656 E11829
FCST VA CLD +18 HR: 08/0250Z SFC/FL090 S0846 E12241 - S0727 E12047 - S0542 E12152 - S0617 E12322 - S0828 E12314 SFC/FL150 S0651 E12231 - S0813 E12023 - S0806 E11834 - S0653 E11746 - S0637 E11958 - S0541 E12119 SFC/FL480 S0744 E11608 - S0940 E11306 - S0836 E11144 - S0624 E11542
- S0940 E11306 - S0836 E11144 - S0624 E11542
RMK: VA DISCERNIBLE ON LATEST VIS/RGB SATELLITE IMAGERY. VA
HEIGHT TO FL480 BASED ON IR TEMP OF -51C. CONTINUOUS VA TO
FL090 EXT NW. FORECAST POLYGONS BASED ON DISPERSION
MODELLING.
NXT ADVISORY: NO LATER THAN 20250707/1105Z=
Volcanic Ash Advisory issued on 2025-07-07 at 08:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move w and flight level 150 (4500m) move nw.
  • Volcanic ash discernible on latest vis/rgb satellite imagery. Volcanic ash height to flight level 480 (14400m) based on infrared temperature of -51c. Continuous volcanic ash to flight level 90 (2700m) ext nw. Forecast polygons based on dispersion modelling.

Original Message :

Received FVAU05 at 08:11 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/0805Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/394
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV W AND FL150 MOV NW
OBS VA DTG: 07/0750Z
OBS VA CLD: SFC/FL090 S0836 E12249 - S0816 E12112 - S0728 E12140 - S0829 E12251 MOV NW 15KT SFC/FL150 S0834 E12230 - S0816 E12150 - S0843 E12110 - S0720 E12049 - S0711 E12137 - S0817 E12241 MOV NW 20KT SFC/FL480 S0842 E12112 - S0932 E12000 - S0849 E11902 - S0803 E12009 - S0819 E12105 MOV W 35KT
35KT
FCST VA CLD +6 HR: 07/1350Z SFC/FL090 S0844 E12244 - S0801 E12054 - S0643 E12146 - S0818 E12306 SFC/FL150 S0813 E12220 - S0847 E12033 - S0732 E12008 - S0702 E12149 - S0754 E12240 SFC/FL480 S0848 E12034 - S0913 E11813 - S0838 E11730 - S0735 E11821 - S0735 E12013
E11821 - S0735 E12013
FCST VA CLD +12 HR: 07/1950Z SFC/FL090 S0842 E12244 - S0727 E12045 - S0641 E12251 - S0830 E12308 SFC/FL150 S0719 E12233 - S0821 E12107 - S0820 E12009 - S0737 E11912 - S0621 E12143 SFC/FL480 S0817 E12013 - S0824 E11754 - S0937 E11512 - S0817 E11508 - S0719 E11639 - S0710 E11859
E11508 - S0719 E11639 - S0710 E11859
FCST VA CLD +18 HR: 08/0150Z SFC/FL150 S0643 E12300 - S0836 E12012 - S0736 E11738 - S0624 E11717 - S0640 E11931 - S0541 E12136 SFC/FL480 S0741 E11615 - S0843 E11443 - S0947 E11225 - S0824 E11150 - S0628 E11548 SFC/FL090 S0843 E12241 - S0801 E12050 - S0632 E12203 - S0735 E12309 - S0826 E12313
E12050 - S0632 E12203 - S0735 E12309 - S0826 E12313
RMK: VA DISCERNIBLE ON LATEST VIS/RGB SATELLITE IMAGERY. VA
HEIGHT TO FL480 BASED ON IR TEMP OF -51C. CONTINUOUS VA TO
FL090 EXT NW. FORECAST POLYGONS BASED ON DISPERSION
MODELLING.
NXT ADVISORY: NO LATER THAN 20250707/0905Z=
Volcanic Ash Advisory issued on 2025-07-07 at 07:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move w and flight level 150 (4500m) move nw.
  • Volcanic ash discernible on latest vis/rgb satellite imagery. Volcanic ash height to flight level 480 (14400m) based on infrared temperature of -51c. Forecast polygons based on dispersion modelling.

Original Message :

Received FVAU05 at 07:06 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/0705Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/393
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV W AND FL150 MOV NW
OBS VA DTG: 07/0650Z
OBS VA CLD: SFC/FL150 S0837 E12248 - S0827 E12206 - S0846 E12120 - S0734 E12122 - S0757 E12221 - S0828 E12255 MOV NW 20KT SFC/FL480 S0819 E12130 - S0844 E12125 - S0921 E12020 - S0852 E11944 - S0822 E11952 - S0813 E12038 MOV W 35KT
S0852 E11944 - S0822 E11952 - S0813 E12038 MOV W 35KT
FCST VA CLD +6 HR: 07/1250Z SFC/FL150 S0841 E12254 - S0826 E12203 - S0841 E12049 - S0728 E12036 - S0700 E12150 - S0827 E12259 SFC/FL480 S0834 E12055 - S0925 E11800 - S0818 E11714 - S0725 E11841 - S0739 E12042
- S0725 E11841 - S0739 E12042
FCST VA CLD +12 HR: 07/1850Z SFC/FL150 S0840 E12250 - S0819 E12013 - S0709 E12005 - S0643 E12149 - S0826 E12258 SFC/FL480 S0749 E11947 - S0813 E11940 - S0829 E11737 - S0914 E11555 - S0852 E11455 - S0710 E11628 - S0705 E11807
E11555 - S0852 E11455 - S0710 E11628 - S0705 E11807
FCST VA CLD +18 HR: 08/0050Z SFC/FL150 S0844 E12251 - S0734 E11856 - S0612 E12123 - S0825 E12301 SFC/FL480 S0727 E11630 - S0842 E11456 - S0946 E11236 - S0849 E11157 - S0620 E11532
- S0842 E11456 - S0946 E11236 - S0849 E11157 - S0620 E11532
RMK: VA DISCERNIBLE ON LATEST VIS/RGB SATELLITE IMAGERY. VA
HEIGHT TO FL480 BASED ON IR TEMP OF -51C. FORECAST POLYGONS
BASED ON DISPERSION MODELLING.
NXT ADVISORY: NO LATER THAN 20250707/0805Z=
Volcanic Ash Advisory issued on 2025-07-07 at 06:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move w and flight level 150 (4500m) move nw.
  • Volcanic ash discernible on latest visibility satellite imagery. Volcanic ash to flight level 480 (14400m) moving w and volcanic ash to flight level 150 (4500m) moving nw. Volcanic ash height and forecast based on himawari-9, cvhm vona at 07 0305 UTC and model guidance.

Original Message :

Received FVAU05 at 06:08 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/0605Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/392
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV W AND FL150 MOV NW
OBS VA DTG: 07/0550Z
OBS VA CLD: SFC/FL150 S0840 E12247 - S0820 E12156 - S0754 E12206 - S0802 E12233 - S0832 E12256 MOV NW 20KT SFC/FL480 S0826 E12215 - S0844 E12206 - S0903 E12105 - S0834 E12024 - S0823 E12100 - S0818 E12156 MOV W 35KT
S0823 E12100 - S0818 E12156 MOV W 35KT
FCST VA CLD +6 HR: 07/1150Z SFC/FL150 S0839 E12253 - S0836 E12113 - S0723 E12202 - S0829 E12259 SFC/FL480 S0752 E12055 - S0841 E12029 - S0919 E11850 - S0915 E11728 - S0820 E11722 - S0753 E11813
- S0753 E11813
FCST VA CLD +12 HR: 07/1750Z SFC/FL150 S0841 E12254 - S0825 E12026 - S0654 E12132 - S0827 E12259 SFC/FL480 S0802 E11929 - S0838 E11731 - S0939 E11559 - S0835 E11450 - S0702 E11737
- S0838 E11731 - S0939 E11559 - S0835 E11450 - S0702 E11737
FCST VA CLD +18 HR: 07/2350Z SFC/FL150 S0840 E12250 - S0821 E12007 - S0632 E12126 - S0826 E12258 SFC/FL480 S0748 E11628 - S0850 E11435 - S0936 E11308 - S0839 E11202 - S0635 E11532
- S0850 E11435 - S0936 E11308 - S0839 E11202 - S0635 E11532
RMK: VA DISCERNIBLE ON LATEST VIS SATELLITE IMAGERY. VA TO
FL480 MOVING W AND VA TO FL150 MOVING NW. VA HEIGHT AND
FORECAST BASED ON HIMAWARI-9, CVHM VONA AT 07/0305Z AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/0705Z=
Volcanic Ash Advisory issued on 2025-07-07 at 05:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 480 (14400m) move w and flight level 150 (4500m) move nw.
  • Volcanic ash discernible on latest visibility satellite imagery. Volcanic ash to flight level 480 (14400m) moving w and volcanic ash to flight level 150 (4500m) moving nw. Volcanic ash height and forecast based on himawari-9, cvhm vona at 07 0505 UTC and model guidance.

Original Message :

Received FVAU05 at 05:05 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/0505Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/391
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL480 MOV W AND FL150 MOV NW
OBS VA DTG: 07/0450Z
OBS VA CLD: SFC/FL150 S0835 E12246 - S0836 E12225 - S0824 E12214 - S0810 E12233 - S0833 E12250 MOV NW 20KT SFC/FL480 S0836 E12231 - S0852 E12156 - S0837 E12128 - S0821 E12133 - S0822 E12221 MOV W 45KT
S0822 E12221 MOV W 45KT
FCST VA CLD +6 HR: 07/1050Z SFC/FL150 S0841 E12245 - S0811 E12133 - S0738 E12213 - S0829 E12254 SFC/FL480 S0838 E12240 - S0932 E12016 - S0950 E11704 - S0840 E11652 - S0805 E11937 - S0755 E12105
- S0755 E12105
FCST VA CLD +12 HR: 07/1650Z SFC/FL150 S0844 E12247 - S0752 E12044 - S0649 E12157 - S0831 E12302 SFC/FL480 S0833 E12228 - S0921 E11800 - S1101 E11510 - S0932 E11317 - S0814 E11442 - S0714 E11918 - S0755 E12135
- S0714 E11918 - S0755 E12135
FCST VA CLD +18 HR: 07/2250Z SFC/FL150 S0843 E12246 - S0754 E12001 - S0618 E12145 - S0827 E12259 SFC/FL480 S0925 E11916 - S0953 E11534 - S1154 E11104 - S1042 E10916 - S0852 E11048 - S0739 E11413 - S0708 E11820
- S0739 E11413 - S0708 E11820
RMK: VA DISCERNIBLE ON LATEST VIS SATELLITE IMAGERY. VA TO
FL480 MOVING W AND VA TO FL150 MOVING NW. VA HEIGHT AND
FORECAST BASED ON HIMAWARI-9, CVHM VONA AT 07/0505Z AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/0605Z=
Volcanic Ash Advisory issued on 2025-07-07 at 03:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 630 (18900m) move w observation at 07 0330 UTC.
  • Volcanic ash discernible on latest visibility satellite imagery moving west. Volcanic ash height and forecast based on himawari-9, cvhm vona at 07 0505 UTC and model guidance.

Original Message :

Received FVAU05 at 04:04 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/0350Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/390
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL630 MOV W OBS AT 07/0330Z
OBS VA DTG: 07/0330Z
OBS VA CLD: SFC/FL630 S0835 E12248 - S0843 E12219 - S0825 E12213 - S0822 E12240 - S0829 E12248 MOV W 45KT
E12213 - S0822 E12240 - S0829 E12248 MOV W 45KT
FCST VA CLD +6 HR: 07/0930Z SFC/FL630 S0836 E12254 - S0926 E12135 - S1014 E11827 - S0754 E11737 - S0712 E12118 - S0815 E12247
E12247
FCST VA CLD +12 HR: 07/1530Z SFC/FL630 S0843 E12256 - S0923 E12157 - S1037 E11616 - S0931 E11514 - S0756 E11550 - S0709 E12138 - S0757 E12248
E12138 - S0757 E12248
FCST VA CLD +18 HR: 07/2130Z SFC/FL630 S0850 E12305 - S1134 E11321 - S1049 E11212 - S0840 E11225 - S0658 E12047 - S0730 E12253
E12253
RMK: VA DISCERNIBLE ON LATEST VIS SATELLITE IMAGERY MOVING
WEST. VA HEIGHT AND FORECAST BASED ON HIMAWARI-9, CVHM VONA
AT 07/0505Z AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/0950Z=
Volcanic Ash Advisory issued on 2025-07-07 at 03:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level eruption to flight level 630 (18900m).
  • Volcanic ash observation on satellite img. A more detailed advisory to follow as soon as possible.

Original Message :

Received FVAU05 at 03:31 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/0330Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/389
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: HIGH LEVEL ERUPTION TO FL630
OBS VA DTG: 07/0310Z
OBS VA CLD: SFC/FL630 S0831 E12249 - S0837 E12246 - S0839 E12235 - S0831 E12230 - S0824 E12240 MOV W 30KT
E12235 - S0831 E12230 - S0824 E12240 MOV W 30KT
FCST VA CLD +6 HR: 07/0910Z NOT AVBL
FCST VA CLD +12 HR: 07/1510Z NOT AVBL
FCST VA CLD +18 HR: 07/2110Z NOT AVBL
RMK: VA OBS ON SAT IMG. A MORE DETAILED ADVISORY TO FOLLOW
AS SOON AS POSSIBLE.
NXT ADVISORY: NO LATER THAN 20250707/0350Z=
Volcanic Ash Advisory issued on 2025-07-07 at 02:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 100 (3000m) last observation before a break in coverage at a manual station observation at 06 0910 UTC move nw.
  • Current saellite imagery indicates that volcanic ash has now dissipated. No reports of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU05 at 02:39 UTC, 07/07/25 from ADRM
VA ADVISORY
DTG: 20250707/0240Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/388
INFO SOURCE: HIMAWARI-9, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA TO FL100 LAST OBS AT
06/0910Z MOV NW
EST VA DTG: 07/0220Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL100 110/20KT
SFC/FL100 110/20KT
FCST VA CLD +6 HR: 07/0820Z NO VA EXP
FCST VA CLD +12 HR: 07/1420Z NO VA EXP
FCST VA CLD +18 HR: 07/2020Z NO VA EXP
RMK: CURRENT SAELLITE IMAGERY INDICATES THAT VA HAS NOW
DISSIPATED. NO REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY
TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-07-06 at 20:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 100 (3000m) last observation before a break in coverage at a manual station observation at 06 0910 UTC move nw.
  • Volcanic ash not identifiable on latest satellite imagery. Volcanic ash height based on pilot weather report. Movement based on himawari-9, pilot weather report and model guidance.

Original Message :

Received FVAU05 at 20:35 UTC, 06/07/25 from ADRM
VA ADVISORY
DTG: 20250706/2040Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/387
INFO SOURCE: HIMAWARI-9, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA TO FL100 LAST OBS AT
06/0910Z MOV NW
EST VA DTG: 06/2010Z
EST VA CLD: SFC/FL100 S0835 E12250 - S0839 E12139 - S0805 E12145 - S0828 E12249 MOV W 20KT
E12145 - S0828 E12249 MOV W 20KT
FCST VA CLD +6 HR: 07/0210Z SFC/FL100 S0835 E12250 - S0838 E12225 - S0829 E12139 - S0802 E12152 - S0828 E12249
E12225 - S0829 E12139 - S0802 E12152 - S0828 E12249
FCST VA CLD +12 HR: 07/0810Z SFC/FL100 S0835 E12249 - S0835 E12221 - S0822 E12142 - S0758 E12153 - S0828 E12249
E12221 - S0822 E12142 - S0758 E12153 - S0828 E12249
FCST VA CLD +18 HR: 07/1410Z SFC/FL100 S0835 E12249 - S0833 E12221 - S0820 E12143 - S0756 E12154 - S0828 E12250
E12221 - S0820 E12143 - S0756 E12154 - S0828 E12250
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY. VA
HEIGHT BASED ON PIREP. MOVEMENT BASED ON HIMAWARI-9, PIREP
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250707/0240Z=
Volcanic Ash Advisory issued on 2025-07-06 at 14:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 100 (3000m) last observation before a break in coverage at a manual station observation at 06 0910 UTC move nw.
  • Volcanic ash not identifiable on latest satellite imagery. Volcanic ash height based on pilot weather report. Movement based on himawari-9, pilot weather report and model guidance.

Original Message :

Received FVAU05 at 14:36 UTC, 06/07/25 from ADRM
VA ADVISORY
DTG: 20250706/1440Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/386
INFO SOURCE: HIMAWARI-9, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA TO FL100 LAST OBS AT
06/0910Z MOV NW
EST VA DTG: 06/1410Z
EST VA CLD: SFC/FL100 S0835 E12250 - S0837 E12224 - S0824 E12144 - S0802 E12153 - S0828 E12249 MOV NW 15KT
E12144 - S0802 E12153 - S0828 E12249 MOV NW 15KT
FCST VA CLD +6 HR: 06/2010Z SFC/FL100 S0835 E12250 - S0839 E12139 - S0805 E12145 - S0828 E12249
E12139 - S0805 E12145 - S0828 E12249
FCST VA CLD +12 HR: 07/0210Z SFC/FL100 S0835 E12250 - S0838 E12225 - S0829 E12139 - S0802 E12152 - S0828 E12249
E12225 - S0829 E12139 - S0802 E12152 - S0828 E12249
FCST VA CLD +18 HR: 07/0810Z SFC/FL100 S0835 E12249 - S0835 E12221 - S0822 E12142 - S0758 E12153 - S0828 E12249
E12221 - S0822 E12142 - S0758 E12153 - S0828 E12249
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY. VA
HEIGHT BASED ON PIREP. MOVEMENT BASED ON HIMAWARI-9, PIREP
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250706/2040Z=
Volcanic Ash Advisory issued on 2025-07-06 at 08:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) extending northwest.
  • Continuous volcanic ash plume observed on visible satellite imagery extending northwest from summit. Volcanic ash height estimated. Movement based on consensus model guidance.

Original Message :

Received FVAU05 at 08:40 UTC, 06/07/25 from ADRM
VA ADVISORY
DTG: 20250706/0840Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/385
INFO SOURCE: HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL080 EXTENDING NORTHWEST
OBS VA DTG: 06/0810Z
OBS VA CLD: SFC/FL100 S0832 E12249 - S0834 E12249 - S0834 E12228 - S0822 E12148 - S0808 E12154 - S0827 E12241 MOV NW 15KT
15KT
FCST VA CLD +6 HR: 06/1410Z SFC/FL100 S0834 E12250 - S0837 E12224 - S0824 E12144 - S0802 E12153 - S0828 E12248
E12224 - S0824 E12144 - S0802 E12153 - S0828 E12248
FCST VA CLD +12 HR: 06/2010Z SFC/FL100 S0834 E12250 - S0837 E12225 - S0823 E12142 - S0802 E12152 - S0827 E12248
E12225 - S0823 E12142 - S0802 E12152 - S0827 E12248
FCST VA CLD +18 HR: 07/0210Z SFC/FL100 S0833 E12250 - S0838 E12225 - S0823 E12141 - S0803 E12153 - S0828 E12249
E12225 - S0823 E12141 - S0803 E12153 - S0828 E12249
RMK: CONTINUOUS VA PLUME OBSERVED ON VISIBLE SATELLITE
IMAGERY EXTENDING NORTHWEST FROM SUMMIT. VA HEIGHT
ESTIMATED. MOVEMENT BASED ON CONSENSUS MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250706/1440Z=
Volcanic Ash Advisory issued on 2025-06-23 at 13:04 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption reported at 23 0640 UTC.
  • Volcanic ash not identifiable on satellite imagery. No further reports of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU04 at 12:58 UTC, 23/06/25 from ADRM
VA ADVISORY
DTG: 20250623/1304Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/384
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION REPORTED AT 23/0640Z
EST VA DTG: 23/1240Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL080 090/10KT
SFC/FL080 090/10KT
FCST VA CLD +6 HR: 23/1840Z NO VA EXP
FCST VA CLD +12 HR: 24/0040Z NO VA EXP
FCST VA CLD +18 HR: 24/0640Z NO VA EXP
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY. NO FURTHER
REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-06-23 at 07:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption reported at 23 0640 UTC.
  • Cvghm reported eruption at 23/0640z. Volcanic ash not identifiable on latest satellite imagery due to meteorological cloud. Volcanic ash is expected to dissipate height and movement based on model guidance.

Original Message :

Received FVAU04 at 07:05 UTC, 23/06/25 from ADRM
VA ADVISORY
DTG: 20250623/0705Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/383
INFO SOURCE: HIMAWARI-9 CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION REPORTED AT 23/0640Z
EST VA DTG: 23/0640Z
EST VA CLD: SFC/FL080 S0836 E12249 - S0838 E12234 - S0829 E12230 - S0821 E12239 - S0830 E12250 MOV W 05KT
E12230 - S0821 E12239 - S0830 E12250 MOV W 05KT
FCST VA CLD +6 HR: 23/1240Z NO VA EXP
FCST VA CLD +12 HR: 23/1840Z NO VA EXP
FCST VA CLD +18 HR: 24/0040Z NO VA EXP
RMK: CVGHM REPORTED ERUPTION AT 23/0640Z. VA NOT
IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET CLOUD. VA IS
EXPECTED TO DISSIPATE WITHIN 6HRS. HEIGHT AND MOVEMENT BASED
ON MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250623/1305Z=
Volcanic Ash Advisory issued on 2025-06-21 at 05:33 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 120 (3600m) move nw last observation before a break in coverage at a manual station observation at 21 0140 UTC.
  • Volcanic ash emissions believed to have ceased from lewotobi. No further evidence of ongoing volcanic ash eruption. Steam/smoke emissions currently remain. Advisory terminated.

Original Message :

Received FVAU04 at 05:33 UTC, 21/06/25 from ADRM
VA ADVISORY
DTG: 20250621/0533Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/382
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL120 MOV NW LAST OBS AT 21/0140Z
OBS VA DTG: 21/0533Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL120 150/15KT
SFC/FL120 150/15KT
FCST VA CLD +6 HR: 21/1133Z NO VA EXP
FCST VA CLD +12 HR: 21/1733Z NO VA EXP
FCST VA CLD +18 HR: 21/2333Z NO VA EXP
RMK: VA EMISSIONS BELIEVED TO HAVE CEASED FROM LEWOTOBI. NO
FURTHER EVIDENCE OF ONGOING VA ERUPTION. STEAM/SMOKE
EMISSIONS CURRENTLY REMAIN. ADVISORY TERMINATED
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2025-06-20 at 23:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 120 (3600m) move nw observation at 20 2320 UTC.
  • Volcanic ash plume identifiable on satellite imagery extending nw. Cvghm report ongoing emissions to 2000m above summit at 20/1431z. Volcanic ash height and movement based on satellite imagery, ground reports and model guidance.

Original Message :

Received FVAU04 at 23:36 UTC, 20/06/25 from ADRM
VA ADVISORY
DTG: 20250620/2340Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/381
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL120 MOV NW OBS AT 20/2320Z
OBS VA DTG: 20/2320Z
OBS VA CLD: SFC/FL120 S0835 E12247 - S0807 E12149 - S0742 E12144 - S0740 E12211 - S0833 E12249 MOV NW 15KT
E12144 - S0740 E12211 - S0833 E12249 MOV NW 15KT
FCST VA CLD +6 HR: 21/0520Z SFC/FL120 S0835 E12247 - S0803 E12116 - S0727 E12125 - S0724 E12156 - S0833 E12249
E12116 - S0727 E12125 - S0724 E12156 - S0833 E12249
FCST VA CLD +12 HR: 21/1120Z SFC/FL120 S0835 E12248 - S0807 E12113 - S0734 E12111 - S0724 E12147 - S0833 E12249
E12113 - S0734 E12111 - S0724 E12147 - S0833 E12249
FCST VA CLD +18 HR: 21/1720Z SFC/FL120 S0836 E12248 - S0813 E12113 - S0747 E12103 - S0728 E12132 - S0832 E12250
E12113 - S0747 E12103 - S0728 E12132 - S0832 E12250
RMK: VA PLUME IDENTIFIABLE ON SATELLITE IMAGERY EXTENDING
NW. CVGHM REPORT ONGOING EMISSIONS TO 2000M ABOVE SUMMIT AT
20/1431Z. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
GND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250621/0540Z=
Volcanic Ash Advisory issued on 2025-06-20 at 17:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 120 (3600m) move nw, observation at 20 1720 UTC.
  • Volcanic ash partially identifiable on rgb satellite imagery move nw. Cvghm report ongoing emissions to 2000m above summit at 20/1431z. Volcanic ash height and movement based on satellite imagery, ground reports and ec model guidance.

Original Message :

Received FVAU04 at 17:36 UTC, 20/06/25 from ADRM
VA ADVISORY
DTG: 20250620/1740Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/380
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL120 MOV NW, OBS AT 20/1720Z
EST VA DTG: 20/1720Z
EST VA CLD: SFC/FL120 S0835 E12247 - S0829 E12225 - S0816 E12224 - S0811 E12233 - S0833 E12249 MOV NW 10KT
E12224 - S0811 E12233 - S0833 E12249 MOV NW 10KT
FCST VA CLD +6 HR: 20/2320Z SFC/FL120 S0835 E12247 - S0826 E12200 - S0801 E12201 - S0756 E12228 - S0833 E12249
E12200 - S0801 E12201 - S0756 E12228 - S0833 E12249
FCST VA CLD +12 HR: 21/0520Z SFC/FL120 S0835 E12247 - S0826 E12201 - S0801 E12203 - S0756 E12229 - S0833 E12249
E12201 - S0801 E12203 - S0756 E12229 - S0833 E12249
FCST VA CLD +18 HR: 21/1120Z SFC/FL120 S0835 E12247 - S0826 E12200 - S0802 E12202 - S0756 E12228 - S0833 E12249
E12200 - S0802 E12202 - S0756 E12228 - S0833 E12249
RMK: VA PARTIALLY IDENTIFIABLE ON RGB SATELLITE IMAGERY MOV
NW. CVGHM REPORT ONGOING EMISSIONS TO 2000M ABOVE SUMMIT AT
20/1431Z. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
GND REPORTS AND EC MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250620/2340Z=
Volcanic Ash Advisory issued on 2025-06-20 at 11:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) move nw, last observation before a break in coverage at a manual station observation 19 0910 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Low level emissions are expected to be ongoing. Volcanic ash height and movement based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 11:36 UTC, 20/06/25 from ADRM
VA ADVISORY
DTG: 20250620/1140Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/379
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL100 MOV NW, LAST OBS 19/0910Z
EST VA DTG: 20/1120Z
EST VA CLD: SFC/FL100 S0835 E12247 - S0828 E12210 - S0811 E12207 - S0804 E12224 - S0832 E12250 MOV NW 10KT
E12207 - S0804 E12224 - S0832 E12250 MOV NW 10KT
FCST VA CLD +6 HR: 20/1720Z SFC/FL100 S0835 E12247 - S0824 E12210 - S0802 E12209 - S0801 E12230 - S0833 E12249
E12210 - S0802 E12209 - S0801 E12230 - S0833 E12249
FCST VA CLD +12 HR: 20/2320Z SFC/FL100 S0836 E12247 - S0823 E12209 - S0802 E12209 - S0801 E12231 - S0833 E12250
E12209 - S0802 E12209 - S0801 E12231 - S0833 E12250
FCST VA CLD +18 HR: 21/0520Z SFC/FL100 S0835 E12247 - S0824 E12210 - S0802 E12209 - S0801 E12231 - S0833 E12250
E12210 - S0802 E12209 - S0801 E12231 - S0833 E12250
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. LOW LEVEL EMISSIONS ARE EXPECTED TO BE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250620/1740Z=
Volcanic Ash Advisory issued on 2025-06-20 at 05:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) move w, last observation before a break in coverage at a manual station observation 19 0910 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Low level emissions are expected to be ongoing. Volcanic ash height and movement based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 05:37 UTC, 20/06/25 from ADRM
VA ADVISORY
DTG: 20250620/0540Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/378
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL100 MOV W, LAST OBS 19/0910Z
EST VA DTG: 20/0520Z
EST VA CLD: SFC/FL100 S0831 E12249 - S0836 E12248 - S0848 E12210 - S0833 E12157 - S0817 E12210 MOV W 05KT
E12210 - S0833 E12157 - S0817 E12210 MOV W 05KT
FCST VA CLD +6 HR: 20/1120Z SFC/FL100 S0831 E12249 - S0836 E12248 - S0837 E12207 - S0823 E12158 - S0813 E12211
E12248 - S0837 E12207 - S0823 E12158 - S0813 E12211
FCST VA CLD +12 HR: 20/1720Z SFC/FL100 S0831 E12249 - S0836 E12248 - S0829 E12207 - S0806 E12206 - S0802 E12227
E12248 - S0829 E12207 - S0806 E12206 - S0802 E12227
FCST VA CLD +18 HR: 20/2320Z SFC/FL100 S0831 E12249 - S0836 E12248 - S0823 E12209 - S0802 E12209 - S0801 E12231
E12248 - S0823 E12209 - S0802 E12209 - S0801 E12231
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. LOW LEVEL EMISSIONS ARE EXPECTED TO BE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250620/1140Z=
Volcanic Ash Advisory issued on 2025-06-19 at 23:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) move w, last observation before a break in coverage at a manual station observation 19 0910 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Low level emissions are expected to be ongoing. Volcanic ash height and movement based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 23:39 UTC, 19/06/25 from ADRM
VA ADVISORY
DTG: 20250619/2340Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/377
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL100 MOV W, LAST OBS 19/0910Z
EST VA DTG: 19/2320Z
EST VA CLD: SFC/FL100 S0836 E12248 - S0835 E12206 - S0822 E12158 - S0813 E12211 - S0831 E12249 MOV W 10KT
E12158 - S0813 E12211 - S0831 E12249 MOV W 10KT
FCST VA CLD +6 HR: 20/0520Z SFC/FL100 S0836 E12248 - S0848 E12210 - S0833 E12157 - S0817 E12210 - S0831 E12249
E12210 - S0833 E12157 - S0817 E12210 - S0831 E12249
FCST VA CLD +12 HR: 20/1120Z SFC/FL100 S0836 E12248 - S0837 E12207 - S0823 E12158 - S0813 E12211 - S0831 E12249
E12207 - S0823 E12158 - S0813 E12211 - S0831 E12249
FCST VA CLD +18 HR: 20/1720Z SFC/FL100 S0836 E12248 - S0831 E12206 - S0807 E12205 - S0802 E12227 - S0831 E12249
E12206 - S0807 E12205 - S0802 E12227 - S0831 E12249
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. LOW LEVEL EMISSIONS ARE EXPECTED TO BE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250620/0540Z=
Volcanic Ash Advisory issued on 2025-06-19 at 17:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) move w, last observation before a break in coverage at a manual station observation 19 0910 UTC.
  • Volcanic ash not identifiable on current satellite imagery due to meteorological cloud cover. Low level emissions are expected to be ongoing. Volcanic ash height and forecast based on satellite img and model guidance.

Original Message :

Received FVAU04 at 17:33 UTC, 19/06/25 from ADRM
VA ADVISORY
DTG: 20250619/1740Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/376
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL100 MOV W, LAST OBS 19/0910Z
EST VA DTG: 19/1710Z
EST VA CLD: SFC/FL100 S0835 E12248 - S0836 E12206 - S0821 E12202 - S0811 E12210 - S0830 E12249 MOV W 10KT
E12202 - S0811 E12210 - S0830 E12249 MOV W 10KT
FCST VA CLD +6 HR: 19/2310Z SFC/FL100 S0835 E12248 - S0835 E12206 - S0821 E12202 - S0810 E12211 - S0831 E12249
E12206 - S0821 E12202 - S0810 E12211 - S0831 E12249
FCST VA CLD +12 HR: 20/0510Z SFC/FL100 S0835 E12248 - S0833 E12205 - S0818 E12204 - S0807 E12214 - S0831 E12249
E12205 - S0818 E12204 - S0807 E12214 - S0831 E12249
FCST VA CLD +18 HR: 20/1110Z SFC/FL100 S0835 E12248 - S0829 E12204 - S0812 E12203 - S0805 E12217 - S0831 E12249
E12204 - S0812 E12203 - S0805 E12217 - S0831 E12249
RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMAGERY DUE TO MET
CLOUD COVER. LOW LEVEL EMISSIONS ARE EXPECTED TO BE ONGOING.
VA HEIGHT AND FCST BASED ON SAT IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250619/2340Z=
Volcanic Ash Advisory issued on 2025-06-19 at 11:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) move w, last observation before a break in coverage at a manual station observation 19 0910 UTC.
  • Volcanic ash not identifiable on current satellite imagery due to meteorological cloud cover. Low level emissions are expected to be ongoing. Volcanic ash height and forecast based on satellite img and model guidance.

Original Message :

Received FVAU04 at 11:35 UTC, 19/06/25 from ADRM
VA ADVISORY
DTG: 20250619/1140Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/375
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL100 MOV W, LAST OBS 19/0910Z
EST VA DTG: 19/1110Z
EST VA CLD: SFC/FL100 S0834 E12248 - S0853 E12216 - S0845 E12206 - S0832 E12209 - S0830 E12247 MOV W 10KT
E12206 - S0832 E12209 - S0830 E12247 MOV W 10KT
FCST VA CLD +6 HR: 19/1710Z SFC/FL100 S0835 E12248 - S0840 E12208 - S0825 E12201 - S0813 E12209 - S0830 E12248
E12208 - S0825 E12201 - S0813 E12209 - S0830 E12248
FCST VA CLD +12 HR: 19/2310Z SFC/FL100 S0835 E12248 - S0833 E12206 - S0819 E12203 - S0809 E12212 - S0831 E12249
E12206 - S0819 E12203 - S0809 E12212 - S0831 E12249
FCST VA CLD +18 HR: 20/0510Z SFC/FL100 S0835 E12248 - S0835 E12206 - S0819 E12203 - S0807 E12214 - S0831 E12249
E12206 - S0819 E12203 - S0807 E12214 - S0831 E12249
RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMAGERY DUE TO MET
CLOUD COVER. LOW LEVEL EMISSIONS ARE EXPECTED TO BE ONGOING.
VA HEIGHT AND FCST BASED ON SAT IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250619/1740Z=
Volcanic Ash Advisory issued on 2025-06-19 at 05:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) move w, last observation before a break in coverage at a manual station observation 19 0300 UTC.
  • Volcanic ash not identifiable on current satellite imagery due to meteorological cloud cover; however, low level emissions are expected to be ongoing. Volcanic ash height and forecast based on satellite img and model guidance.

Original Message :

Received FVAU04 at 05:33 UTC, 19/06/25 from ADRM
VA ADVISORY
DTG: 20250619/0540Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/374
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL100 MOV W, LAST OBS 19/0300Z
EST VA DTG: 19/0520Z
EST VA CLD: SFC/FL100 S0835 E12248 - S0857 E12221 - S0844 E12204 - S0828 E12210 - S0830 E12247 MOV W 10KT
E12204 - S0828 E12210 - S0830 E12247 MOV W 10KT
FCST VA CLD +6 HR: 19/1120Z SFC/FL100 S0834 E12248 - S0855 E12217 - S0846 E12205 - S0830 E12209 - S0830 E12247
E12217 - S0846 E12205 - S0830 E12209 - S0830 E12247
FCST VA CLD +12 HR: 19/1720Z SFC/FL100 S0835 E12248 - S0855 E12218 - S0843 E12202 - S0826 E12208 - S0830 E12247
E12218 - S0843 E12202 - S0826 E12208 - S0830 E12247
FCST VA CLD +18 HR: 19/2320Z SFC/FL100 S0834 E12248 - S0855 E12219 - S0843 E12202 - S0826 E12208 - S0830 E12247
E12219 - S0843 E12202 - S0826 E12208 - S0830 E12247
RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMAGERY DUE TO MET
CLOUD COVER; HOWEVER, LOW LEVEL EMISSIONS ARE EXPECTED TO BE
ONGOING. VA HEIGHT AND FCST BASED ON SAT IMG AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250619/1140Z=
Volcanic Ash Advisory issued on 2025-06-19 at 02:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 400 (12000m) move sse 10 knots, volcanic ash to flight level 100 (3000m) move wsw 10 knots.
  • Volcanic ash to flight level 400 (12000m) move sse forecast to dissipate continuous volcanic ash emissions to 100, move wsw of summit. Forecast based on satellite img and model output.

Original Message :

Received FVAU04 at 02:33 UTC, 19/06/25 from ADRM
VA ADVISORY
DTG: 20250619/0240Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/373
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL400 MOV SSE 10 KNOTS, VA TO FL100
MOV WSW 10 KNOTS
OBS VA DTG: 19/0220Z
OBS VA CLD: SFC/FL100 S0833 E12249 - S0907 E12212 - S0901 E12158 - S0847 E12159 - S0829 E12246 MOV SW 10KT SFC/FL400 S1216 E12148 - S1415 E12237 - S1452 E12118 - S1402 E11928 - S1216 E12012 MOV S 10KT
S1216 E12012 MOV S 10KT
FCST VA CLD +6 HR: 19/0820Z SFC/FL100 S0834 E12248 - S0859 E12220 - S0847 E12202 - S0829 E12206 - S0830 E12247
E12220 - S0847 E12202 - S0829 E12206 - S0830 E12247
FCST VA CLD +12 HR: 19/1420Z SFC/FL100 S0834 E12248 - S0855 E12217 - S0844 E12202 - S0826 E12206 - S0830 E12247
E12217 - S0844 E12202 - S0826 E12206 - S0830 E12247
FCST VA CLD +18 HR: 19/2020Z SFC/FL100 S0834 E12249 - S0856 E12219 - S0845 E12202 - S0827 E12207 - S0830 E12247
E12219 - S0845 E12202 - S0827 E12207 - S0830 E12247
RMK: VA TO FL400 MOV SSE FCST TO DISSIPATE WITHIN 3-6HRS.
CONTINUOUS VA EMISSIONS TO FL100, MOV WSW OF SUMMIT. FCST
BASED ON SAT IMG AND MODEL OUTPUT.
NXT ADVISORY: NO LATER THAN 20250619/0540Z=
Volcanic Ash Advisory issued on 2025-06-18 at 23:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move sw, volcanic ash to flight level 400 (12000m) move s, volcanic ash to flight level 100 (3000m) move southwest.
  • Volcanic ash to flight level 530 (15900m) move southwest forecast to dissipate volcanic ash to flight level 400 (12000m) move south forecast to dissipate continuous volcanic ash emissions to flight level 100 (3000m) southwest of summit. Forecast based on satellite img and model dispersion output.

Original Message :

Received FVAU04 at 23:46 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/2340Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/372
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV SW, VA TO FL400 MOV S, VA
TO FL100 MOV SW
OBS VA DTG: 18/2320Z
OBS VA CLD: SFC/FL100 S0833 E12250 - S0857 E12226 - S0853 E12213 - S0840 E12214 - S0829 E12247 MOV SW 10KT SFC/FL400 S1111 E12132 - S1226 E12203 - S1512 E12208 - S1512 E12133 - S1324 E11910 - S1159 E11904 MOV S 10KT SFC/FL530 S1128 E11109 - S1152 E11021 - S1147 E10937 - S1112 E10948 - S1055 E11054 MOV SW 10KT
E11054 MOV SW 10KT
FCST VA CLD +6 HR: 19/0520Z SFC/FL100 S0833 E12250 - S0857 E12224 - S0848 E12206 - S0832 E12212 - S0828 E12248 SFC/FL400 S1201 E12220 - S1539 E12251 - S1556 E12143 - S1349 E11908 - S1231 E11912
E11908 - S1231 E11912
FCST VA CLD +12 HR: 19/1120Z SFC/FL100 S0834 E12250 - S0856 E12223 - S0844 E12207 - S0826 E12211 - S0828 E12248
E12223 - S0844 E12207 - S0826 E12211 - S0828 E12248
FCST VA CLD +18 HR: 19/1720Z SFC/FL100 S0835 E12249 - S0855 E12224 - S0844 E12207 - S0826 E12211 - S0829 E12247
E12224 - S0844 E12207 - S0826 E12211 - S0829 E12247
RMK: VA TO FL530 MOV SW FCST TO DISSIPATE WITHIN 3-6HRS. VA
TO FL400 MOV S FCST TO DISSIPATE WITHIN 9HRS. CONTINUOUS VA
EMISSIONS TO FL100 SW OF SUMMIT. FCST BASED ON SAT IMG AND
MODEL DISPERSION OUTPUT.
NXT ADVISORY: NO LATER THAN 20250619/0240Z=
Volcanic Ash Advisory issued on 2025-06-18 at 20:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move sw, volcanic ash to flight level 400 (12000m) move sw, volcanic ash to flight level 100 (3000m) move w.
  • Volcanic ash to flight level 530 (15900m) move w forecast to dissipate volcanic ash to flight level 400 (12000m) move southwest forecast to dissipate continuous volcanic ash emissions to flight level 100 (3000m) w of summit. Forecast based on satellite img and model dispersion output.

Original Message :

Received FVAU04 at 20:30 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/2040Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/371
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV SW, VA TO FL400 MOV SW, VA
TO FL100 MOV W
OBS VA DTG: 18/2010Z
OBS VA CLD: SFC/FL100 S0828 E12252 - S0839 E12251 - S0853 E12222 - S0829 E12158 - S0807 E12225 MOV W 10KT SFC/FL400 S1159 E12030 - S1331 E12100 - S1252 E11843 - S1156 E11818 MOV SW 10KT SFC/FL530 S1113 E11233 - S1151 E11030 - S1051 E10950 - S1010 E11149 MOV SW 20KT
E10950 - S1010 E11149 MOV SW 20KT
FCST VA CLD +6 HR: 19/0210Z SFC/FL100 S0828 E12252 - S0839 E12251 - S0853 E12223 - S0830 E12159 - S0807 E12225 SFC/FL400 S1211 E12036 - S1400 E12107 - S1327 E11831 - S1207 E11747
E11747
FCST VA CLD +12 HR: 19/0810Z SFC/FL100 S0828 E12252 - S0839 E12251 - S0853 E12223 - S0829 E12158 - S0807 E12224
E12251 - S0853 E12223 - S0829 E12158 - S0807 E12224
FCST VA CLD +18 HR: 19/1410Z SFC/FL100 S0839 E12251 - S0853 E12223 - S0828 E12158 - S0807 E12225 - S0828 E12252
E12223 - S0828 E12158 - S0807 E12225 - S0828 E12252
RMK: VA TO FL530 MOV W FCST TO DISSIPATE WITHIN 6HRS. VA TO
FL400 MOV SW FCST TO DISSIPATE WITHIN 12HRS. CONTINUOUS VA
EMISSIONS TO FL100 W OF SUMMIT. FCST BASED ON SAT IMG AND
MODEL DISPERSION OUTPUT.
NXT ADVISORY: NO LATER THAN 20250618/2340Z=
Volcanic Ash Advisory issued on 2025-06-18 at 17:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move sw, volcanic ash to flight level 400 (12000m) move sw, volcanic ash to flight level 100 (3000m) move w.
  • Volcanic ash to flight level 530 (15900m) move w forecast to dissipate 12h. Volcanic ash to flight level 400 (12000m) move south forecast to dissipate volcanic ash to flight level 350 (10500m) observation to have dissipated. Continuous volcanic ash emissions to flight level 100 (3000m) w of summit. Forecast based on satellite img and model dispersion output.

Original Message :

Received FVAU04 at 17:31 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/1740Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/370
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV SW, VA TO FL400 MOV SW, VA
TO FL100 MOV W
OBS VA DTG: 18/1710Z
OBS VA CLD: SFC/FL100 S0828 E12252 - S0839 E12251 - S0853 E12222 - S0829 E12158 - S0807 E12225 MOV W 10KT SFC/FL400 S1106 E12032 - S1312 E12143 - S1229 E11759 - S1057 E11710 MOV SW 05KT SFC/FL530 S1102 E11433 - S1141 E11133 - S1007 E11053 - S0919 E11310 MOV SW 20KT
E11053 - S0919 E11310 MOV SW 20KT
FCST VA CLD +6 HR: 18/2310Z SFC/FL100 S0828 E12252 - S0839 E12251 - S0853 E12222 - S0829 E12158 - S0807 E12225 SFC/FL400 S1103 E11951 - S1337 E12138 - S1253 E11744 - S1051 E11633 SFC/FL530 S1134 E11240 - S1221 E10953 - S1100 E10849 - S0947 E11131
- S0947 E11131
FCST VA CLD +12 HR: 19/0510Z SFC/FL100 S0828 E12252 - S0839 E12251 - S0853 E12223 - S0830 E12159 - S0807 E12225
E12251 - S0853 E12223 - S0830 E12159 - S0807 E12225
FCST VA CLD +18 HR: 19/1110Z SFC/FL100 S0839 E12251 - S0853 E12223 - S0829 E12158 - S0807 E12224 - S0828 E12252
E12223 - S0829 E12158 - S0807 E12224 - S0828 E12252
RMK: VA TO FL530 MOV W FCST TO DISSIPATE WITHIN 12H. VA TO
FL400 MOV S FCST TO DISSIPATE WITHIN 12HRS. VA TO FL350 OBS
TO HAVE DISSIPATED. CONTINUOUS VA EMISSIONS TO FL100 W OF
SUMMIT. FCST BASED ON SAT IMG AND MODEL DISPERSION OUTPUT.
NXT ADVISORY: NO LATER THAN 20250618/2040Z=
Volcanic Ash Advisory issued on 2025-06-18 at 14:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move sw, volcanic ash to flight level 400 (12000m) move s, volcanic ash to flight level 350 (10500m) move e.
  • Volcanic ash to flight level 530 (15900m) move w forecast to dissipate 12-18h. Volcanic ash to flight level 400 (12000m) move south forecast to dissipate 12-18hrs. Volcanic ash to flight level 350 (10500m) move e forecast to dissipate continuous volcanic ash emissions to flight level 100 (3000m) southwest of summit. Forecast based on satellite img and model dispersion output.

Original Message :

Received FVAU04 at 14:46 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/1440Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/369
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV SW, VA TO FL400 MOV S, VA
TO FL350 MOV E
OBS VA DTG: 18/1410Z
OBS VA CLD: SFC/FL100 S0839 E12250 - S0853 E12222 - S0829 E12158 - S0807 E12225 - S0828 E12252 MOV W 10KT SFC/FL350 S1046 E12439 - S1029 E12516 - S1151 E12558 - S1202 E12515 MOV E 05KT SFC/FL400 S1037 E12034 - S1246 E12216 - S1219 E11749 - S0945 E11639 MOV SW 10KT SFC/FL530 S0936 E11530 - S1103 E11545 - S1127 E11348 - S1041 E11221 - S0902 E11223 - S0840 E11433 MOV SW 20KT
S0840 E11433 MOV SW 20KT
FCST VA CLD +6 HR: 18/2010Z SFC/FL100 S0828 E12252 - S0839 E12251 - S0853 E12222 - S0829 E12158 - S0807 E12225 SFC/FL400 S1055 E12041 - S1311 E12211 - S1302 E11721 - S1013 E11559 SFC/FL530 S1127 E11407 - S1156 E11103 - S1058 E10945 - S0912 E11029 - S0850 E11307
- S0912 E11029 - S0850 E11307
FCST VA CLD +12 HR: 19/0210Z SFC/FL100 S0828 E12252 - S0839 E12251 - S0853 E12222 - S0829 E12158 - S0807 E12225 SFC/FL400 S1110 E12041 - S1358 E12230 - S1359 E11658 - S1050 E11531 SFC/FL530 S1153 E11133 - S1227 E10835 - S1102 E10722 - S0916 E10832 - S0906 E11055
- S0916 E10832 - S0906 E11055
FCST VA CLD +18 HR: 19/0810Z SFC/FL100 S0839 E12251 - S0853 E12223 - S0830 E12159 - S0807 E12225 - S0828 E12252
E12223 - S0830 E12159 - S0807 E12225 - S0828 E12252
RMK: VA TO FL530 MOV W FCST TO DISSIPATE WITHIN 12-18H. VA
TO FL400 MOV S FCST TO DISSIPATE WITHIN 12-18HRS. VA TO
FL350 MOV E FCST TO DISSIPATE WITHIN 3-6HRS. CONTINUOUS VA
EMISSIONS TO FL100 SW OF SUMMIT. FCST BASED ON SAT IMG AND
MODEL DISPERSION OUTPUT.
NXT ADVISORY: NO LATER THAN 20250618/1740Z=
Volcanic Ash Advisory issued on 2025-06-18 at 12:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move sw, volcanic ash to flight level 400 (12000m) move s, volcanic ash to flight level 350 (10500m) move e.
  • Volcanic ash to flight level 530 (15900m) move w forecast to dissipate 12-18h. Volcanic ash to flight level 400 (12000m) move south forecast to dissipate 12-18hrs. Volcanic ash to flight level 350 (10500m) move e forecast to dissipate in continuous volcanic ash emissions to flight level 100 (3000m) southwest of summit. Forecast based on satellite img and model dispersion output.

Original Message :

Received FVAU04 at 12:38 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/1240Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/368
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV SW, VA TO FL400 MOV S, VA
TO FL350 MOV E
OBS VA DTG: 18/1210Z
OBS VA CLD: SFC/FL100 S0830 E12251 - S0855 E12244 - S0857 E12218 - S0836 E12203 - S0814 E12224 MOV SW 10KT SFC/FL350 S1054 E12419 - S1038 E12455 - S1153 E12529 - S1207 E12447 MOV E 05KT SFC/FL400 S0959 E12137 - S1222 E12234 - S1206 E11830 - S1019 E11644 - S0940 E11733 MOV S 15KT SFC/FL530 S1025 E11559 - S1052 E11329 - S0926 E11249 - S0832 E11320 - S0853 E11522 MOV SW 25KT
S0853 E11522 MOV SW 25KT
FCST VA CLD +6 HR: 18/1810Z SFC/FL100 S0839 E12250 - S0853 E12222 - S0829 E12158 - S0807 E12225 - S0828 E12252 SFC/FL350 S1046 E12439 - S1029 E12516 - S1151 E12558 - S1202 E12515 SFC/FL400 S1029 E12143 - S1330 E12244 - S1329 E11748 - S1122 E11639 - S1015 E11757 SFC/FL530 S1112 E11348 - S1146 E11137 - S1023 E11014 - S0841 E11040 - S0844 E11302
E11137 - S1023 E11014 - S0841 E11040 - S0844 E11302
FCST VA CLD +12 HR: 19/0010Z SFC/FL100 S0828 E12252 - S0839 E12251 - S0853 E12222 - S0829 E12158 - S0807 E12225 SFC/FL400 S1154 E12221 - S1459 E12250 - S1453 E11803 - S1256 E11631 - S1142 E11740 SFC/FL530 S1213 E11135 - S1308 E10838 - S1146 E10638 - S0936 E10718 - S0859 E11030
- S1146 E10638 - S0936 E10718 - S0859 E11030
FCST VA CLD +18 HR: 19/0610Z SFC/FL100 S0839 E12251 - S0853 E12222 - S0829 E12158 - S0807 E12225 - S0828 E12252 - S0839 E12251
E12251
RMK: VA TO FL530 MOV W FCST TO DISSIPATE WITHIN 12-18H. VA
TO FL400 MOV S FCST TO DISSIPATE WITHIN 12-18HRS. VA TO
FL350 MOV E FCST TO DISSIPATE IN 6HRS. CONTINUOUS VA
EMISSIONS TO FL100 SW OF SUMMIT. FCST BASED ON SAT IMG AND
MODEL DISPERSION OUTPUT.
NXT ADVISORY: NO LATER THAN 20250618/1440Z=
Volcanic Ash Advisory issued on 2025-06-18 at 10:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move w, volcanic ash to flight level 400 (12000m) move s, volcanic ash to flight level 350 (10500m) move e.
  • Volcanic ash to flight level 530 (15900m) move w forecast to dissipate 18h. Volcanic ash to flight level 400 (12000m) move south forecast to dissipate volcanic ash to flight level 350 (10500m) move e forecast to dissipate 6-12hrs. Continuous volcanic ash emissions to flight level 100 (3000m) southwest of summit. Forecast based on satellite img and model dispersion output.

Original Message :

Received FVAU04 at 10:36 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/1040Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/367
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV W, VA TO FL400 MOV S, VA
TO FL350 MOV E
OBS VA DTG: 18/1010Z
OBS VA CLD: SFC/FL100 S0835 E12251 - S0858 E12238 - S0847 E12207 - S0821 E12219 - S0829 E12250 MOV SW 10KT SFC/FL350 S1036 E12359 - S1041 E12451 - S1217 E12541 - S1237 E12455 MOV E 10KT SFC/FL400 S0912 E12033 - S1131 E12239 - S1219 E12237 - S1202 E11831 - S1022 E11718 - S0915 E11822 MOV S 15KT SFC/FL530 S0837 E11549 - S0956 E11556 - S1016 E11413 - S0912 E11325 - S0829 E11342 MOV SW 25KT
S0912 E11325 - S0829 E11342 MOV SW 25KT
FCST VA CLD +6 HR: 18/1610Z SFC/FL100 S0835 E12251 - S0851 E12228 - S0837 E12203 - S0814 E12224 - S0830 E12251 SFC/FL350 S1038 E12430 - S1037 E12512 - S1228 E12612 - S1253 E12527 SFC/FL400 S1007 E12138 - S1155 E12216 - S1317 E12148 - S1306 E11808 - S1111 E11645 - S0947 E11744 SFC/FL530 S1024 E11411 - S1059 E11212 - S0937 E11112 - S0816 E11134 - S0812 E11342
E11342
FCST VA CLD +12 HR: 18/2210Z SFC/FL100 S0836 E12251 - S0851 E12228 - S0836 E12205 - S0815 E12224 - S0830 E12251 SFC/FL350 S1035 E12503 - S1032 E12545 - S1231 E12650 - S1239 E12605 SFC/FL400 S1135 E12212 - S1258 E12232 - S1420 E12142 - S1411 E11703 - S1253 E11623 - S1058 E11733 SFC/FL530 S1107 E11135 - S1132 E10928 - S0948 E10810 - S0827 E10831 - S0819 E11051
E11051
FCST VA CLD +18 HR: 19/0410Z SFC/FL100 S0835 E12251 - S0851 E12228 - S0837 E12203 - S0814 E12224 - S0829 E12251
E12228 - S0837 E12203 - S0814 E12224 - S0829 E12251
RMK: VA TO FL530 MOV W FCST TO DISSIPATE WITHIN 18H. VA TO
FL400 MOV S FCST TO DISSIPATE WITHIN 18HRS. VA TO FL350 MOV
E FCST TO DISSIPATE WITHIN 6-12HRS. CONTINUOUS VA EMISSIONS
TO FL100 SW OF SUMMIT. FCST BASED ON SAT IMG AND MODEL
DISPERSION OUTPUT.
NXT ADVISORY: NO LATER THAN 20250618/1240Z=
Volcanic Ash Advisory issued on 2025-06-18 at 08:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move w, volcanic ash to flight level 400 (12000m) move s, volcanic ash to flight level 350 (10500m) move e.
  • Volcanic ash to flight level 530 (15900m) move w forecast to dissipate 18h. Volcanic ash to flight level 400 (12000m) move south forecast to dissipate volcanic ash to flight level 350 (10500m) move e forecast to dissipate continuous volcanic ash emissions to flight level 100 (3000m) southwest of summit. Forecast based on satellite img and model dispersion output.

Original Message :

Received FVAU04 at 08:38 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/0840Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/366
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV W, VA TO FL400 MOV S, VA
TO FL350 MOV E
OBS VA DTG: 18/0820Z
OBS VA CLD: SFC/FL100 S0828 E12250 - S0908 E12259 - S0908 E12223 - S0842 E12230 - S0827 E12242 MOV SW 10KT SFC/FL350 S1028 E12334 - S1035 E12435 - S1229 E12524 - S1257 E12442 MOV E 10KT SFC/FL400 S0858 E12117 - S1057 E12214 - S1158 E12113 - S1138 E11845 - S0924 E11754 - S0850 E11814 MOV S 10KT SFC/FL530 S0911 E11613 - S0933 E11458 - S0835 E11414 - S0712 E11434 - S0704 E11553 MOV W 25KT
S0712 E11434 - S0704 E11553 MOV W 25KT
FCST VA CLD +6 HR: 18/1420Z SFC/FL100 S0835 E12251 - S0858 E12238 - S0847 E12207 - S0821 E12219 - S0829 E12250 SFC/FL350 S1020 E12448 - S1025 E12540 - S1201 E12630 - S1232 E12547 SFC/FL400 S0953 E12145 - S1203 E12243 - S1304 E12145 - S1259 E11849 - S1111 E11758 - S0925 E11835 SFC/FL530 S0939 E11442 - S1005 E11317 - S0836 E11246 - S0722 E11309 - S0720 E11430
E11430
FCST VA CLD +12 HR: 18/2020Z SFC/FL100 S0835 E12251 - S0851 E12228 - S0837 E12203 - S0814 E12224 - S0830 E12251 SFC/FL400 S1043 E12204 - S1220 E12246 - S1343 E12158 - S1336 E11824 - S1217 E11746 - S1012 E11839 SFC/FL530 S0955 E11326 - S1030 E11127 - S0823 E11056 - S0704 E11139 - S0718 E11306
- S1030 E11127 - S0823 E11056 - S0704 E11139 - S0718 E11306
FCST VA CLD +18 HR: 19/0220Z SFC/FL100 S0836 E12251 - S0851 E12228 - S0836 E12205 - S0815 E12224 - S0830 E12251
E12228 - S0836 E12205 - S0815 E12224 - S0830 E12251
RMK: VA TO FL530 MOV W FCST TO DISSIPATE WITHIN 18H. VA TO
FL400 MOV S FCST TO DISSIPATE WITHIN 18HRS. VA TO FL350 MOV
E FCST TO DISSIPATE WITHIN 6-9HRS. CONTINUOUS VA EMISSIONS
TO FL100 SW OF SUMMIT. FCST BASED ON SAT IMG AND MODEL
DISPERSION OUTPUT.
NXT ADVISORY: NO LATER THAN 20250618/1040Z=
Volcanic Ash Advisory issued on 2025-06-18 at 06:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move w, volcanic ash to flight level 400 (12000m) move s, volcanic ash to flight level 350 (10500m) move e.
  • Volcanic ash to flight level 530 (15900m) move w forecast to dissipate 24h. Volcanic ash to flight level 400 (12000m) move south forecast to dissipate volcanic ash to flight level 350 (10500m) move e forecast to dissipate continuous volcanic ash emissions to flight level 100 (3000m) southwest of summit. Forecast based on satellite img and model dispersion output.

Original Message :

Received FVAU04 at 06:37 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/0640Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/365
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV W, VA TO FL400 MOV S, VA
TO FL350 MOV E
OBS VA DTG: 18/0620Z
OBS VA CLD: SFC/FL100 S0826 E12243 - S0829 E12254 - S0856 E12254 - S0902 E12230 - S0840 E12222 MOV SW 10KT SFC/FL350 S1027 E12351 - S1157 E12442 - S1239 E12448 - S1238 E12410 - S1204 E12404 - S1046 E12325 MOV E 10KT SFC/FL400 S1016 E12207 - S1126 E12148 - S1134 E11908 - S1027 E11800 - S0923 E11859 - S0901 E12041 MOV S 10KT SFC/FL530 S0752 E11651 - S0859 E11624 - S0903 E11504 - S0723 E11448 - S0715 E11623 MOV W 25KT
MOV W 25KT
FCST VA CLD +6 HR: 18/1220Z SFC/FL100 S0834 E12251 - S0858 E12239 - S0847 E12207 - S0821 E12219 - S0829 E12251 SFC/FL350 S1017 E12432 - S1002 E12513 - S1212 E12629 - S1225 E12541 SFC/FL400 S1007 E12142 - S1128 E12233 - S1227 E12143 - S1222 E11822 - S1030 E11757 - S0956 E11926 SFC/FL530 S0752 E11501 - S0845 E11440 - S0834 E11302 - S0710 E11302 - S0657 E11436
E11436
FCST VA CLD +12 HR: 18/1820Z SFC/FL100 S0834 E12252 - S0858 E12238 - S0847 E12207 - S0821 E12219 - S0829 E12251 SFC/FL400 S1046 E12148 - S1229 E12241 - S1314 E12145 - S1308 E11828 - S1140 E11747 - S1035 E11844 SFC/FL530 S0714 E11358 - S0833 E11322 - S0826 E11155 - S0701 E11144 - S0627 E11252
- S0833 E11322 - S0826 E11155 - S0701 E11144 - S0627 E11252
FCST VA CLD +18 HR: 19/0020Z SFC/FL100 S0835 E12251 - S0851 E12228 - S0837 E12203 - S0814 E12224 - S0830 E12251 SFC/FL400 S1129 E12207 - S1255 E12246 - S1358 E12153 - S1357 E11822 - S1254 E11749 - S1128 E11828 SFC/FL530 S0701 E11223 - S0817 E11154 - S0813 E11015 - S0647 E11002 - S0607 E11120
- S0817 E11154 - S0813 E11015 - S0647 E11002 - S0607 E11120
RMK: VA TO FL530 MOV W FCST TO DISSIPATE WITHIN 24H. VA TO
FL400 MOV S FCST TO DISSIPATE WITHIN 24HRS. VA TO FL350 MOV
E FCST TO DISSIPATE WITHIN 9HRS. CONTINUOUS VA EMISSIONS TO
FL100 SW OF SUMMIT. FCST BASED ON SAT IMG AND MODEL
DISPERSION OUTPUT.
NXT ADVISORY: NO LATER THAN 20250618/0840Z=
Volcanic Ash Advisory issued on 2025-06-18 at 04:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move w, volcanic ash to flight level 400 (12000m) move s, volcanic ash to flight level 350 (10500m) move e.
  • Volcanic ash to flight level 530 (15900m) move w forecast to dissipate 24h. Volcanic ash to flight level 400 (12000m) move south forecast to dissipate volcanic ash to flight level 350 (10500m) move e forecast to dissipate 6hr. Continuous volcanic ash to flight level 100 (3000m) at summit remains ongoing. Forecast based on satellite img and model dispersion output.

Original Message :

Received FVAU04 at 04:40 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/0440Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/364
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV W, VA TO FL400 MOV S, VA
TO FL350 MOV E
OBS VA DTG: 18/0420Z
OBS VA CLD: SFC/FL100 S0833 E12251 - S0858 E12239 - S0847 E12207 - S0822 E12220 - S0829 E12250 MOV SW 10KT SFC/FL350 S1022 E12350 - S1148 E12435 - S1257 E12441 - S1241 E12349 - S1055 E12323 MOV E 15KT SFC/FL400 S0822 E12117 - S1043 E12236 - S1126 E12047 - S1042 E11821 - S0851 E11824 MOV S 15KT SFC/FL530 S0811 E11801 - S0922 E11637 - S0835 E11529 - S0733 E11533 - S0709 E11710 MOV W 25KT
S0733 E11533 - S0709 E11710 MOV W 25KT
FCST VA CLD +6 HR: 18/1020Z SFC/FL100 S0834 E12252 - S0858 E12238 - S0847 E12208 - S0821 E12219 - S0829 E12251 SFC/FL400 S0937 E12200 - S1113 E12236 - S1159 E12210 - S1157 E11855 - S1123 E11752 - S0957 E11818 - S0915 E11925 SFC/FL530 S0755 E11544 - S0909 E11509 - S0835 E11325 - S0712 E11340 - S0713 E11503
E11340 - S0713 E11503
FCST VA CLD +12 HR: 18/1620Z SFC/FL100 S0834 E12251 - S0858 E12239 - S0847 E12207 - S0821 E12219 - S0829 E12251 SFC/FL400 S0954 E12142 - S1119 E12244 - S1257 E12146 - S1230 E11808 - S1006 E11800 - S0939 E11925 SFC/FL530 S0749 E11359 - S0852 E11324 - S0832 E11135 - S0710 E11147 - S0656 E11320
- S0852 E11324 - S0832 E11135 - S0710 E11147 - S0656 E11320
FCST VA CLD +18 HR: 18/2220Z SFC/FL100 S0834 E12252 - S0858 E12238 - S0847 E12207 - S0821 E12219 - S0829 E12251 SFC/FL400 S1046 E12148 - S1229 E12241 - S1326 E12142 - S1315 E11825 - S1128 E11749 - S1026 E11844 SFC/FL530 S0716 E11219 - S0837 E11142 - S0819 E10943 - S0652 E10949 - S0640 E11119
- S0837 E11142 - S0819 E10943 - S0652 E10949 - S0640 E11119
RMK: VA TO FL530 MOV W FCST TO DISSIPATE WITHIN 24H. VA TO
FL400 MOV S FCST TO DISSIPATE WITHIN 24HRS. VA TO FL350 MOV
E FCST TO DISSIPATE WITHIN 6HR. CONTINUOUS VA TO FL100 AT
SUMMIT REMAINS ONGOING. FCST BASED ON SAT IMG AND MODEL
DISPERSION OUTPUT.
NXT ADVISORY: NO LATER THAN 20250618/0640Z=
Volcanic Ash Advisory issued on 2025-06-18 at 02:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move w, volcanic ash to flight level 350 (10500m) move se, volcanic ash to flight level 100 (3000m) move nw.
  • Volcanic ash to flight level 530 (15900m) observation on satellite img move w forecast to dissipate 24h. Volcanic ash to flight level 350 (10500m) move se forecast to dissipate 9hr. 17 2241 UTC vona indicates eruption remains ongoing with volcanic ash to 1000m above summit. Forecast based on observation movement and model guidance.

Original Message :

Received FVAU04 at 02:41 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/0240Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/363
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV W, VA TO FL350 MOV SE, VA
TO FL100 MOV NW
OBS VA DTG: 18/0220Z
OBS VA CLD: SFC/FL100 S0835 E12247 - S0834 E12238 - S0819 E12228 - S0813 E12238 - S0832 E12249 MOV NW 05KT SFC/FL350 S1018 E12329 - S1125 E12405 - S1250 E12411 - S1251 E12310 - S1139 E12310 - S1043 E12237 MOV SE 20KT SFC/FL530 S0805 E12214 - S1000 E12216 - S1100 E12049 - S1005 E11841 - S0922 E11627 - S0819 E11603 - S0728 E11650 MOV W 25KT
E11627 - S0819 E11603 - S0728 E11650 MOV W 25KT
FCST VA CLD +6 HR: 18/0820Z SFC/FL100 S0834 E12247 - S0836 E12239 - S0819 E12228 - S0813 E12238 - S0832 E12248 SFC/FL350 S1059 E12443 - S1201 E12530 - S1318 E12530 - S1327 E12436 - S1206 E12433 - S1123 E12411 SFC/FL530 S0922 E12237 - S1152 E12208 - S1137 E11837 - S1009 E11435 - S0749 E11505 - S0725 E11658 - S0827 E11753 - S0812 E12035
- S0725 E11658 - S0827 E11753 - S0812 E12035
FCST VA CLD +12 HR: 18/1420Z SFC/FL100 S0834 E12248 - S0840 E12235 - S0834 E12228 - S0824 E12233 - S0831 E12248 SFC/FL530 S0948 E12228 - S1150 E12143 - S1152 E11531 - S1043 E11228 - S0701 E11236 - S0645 E11401 - S0836 E11444 - S0925 E11543
E11543
FCST VA CLD +18 HR: 18/2020Z SFC/FL100 S0834 E12248 - S0840 E12235 - S0834 E12228 - S0824 E12234 - S0831 E12248 SFC/FL530 S0946 E12225 - S1155 E12142 - S1154 E11403 - S1102 E11123 - S0706 E11124 - S0657 E11308 - S0853 E11405 - S0928 E11546
E11546
RMK: VA TO FL530 OBS ON SAT IMG MOV W FORECAST TO DISSIPATE
WITHIN 24H. VA TO FL350 MOV SE FORECAST TO DISSIPATE WITHIN
9HR. 17/2241Z VONA INDICATES ERUPTION REMAINS ONGOING WITH
VA TO 1000M ABOVE SUMMIT. FCST BASED ON OBS MOVEMENT AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250618/0440Z=
Volcanic Ash Advisory issued on 2025-06-18 at 00:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 530 (15900m) move w, volcanic ash to flight level 350 (10500m) move se, volcanic ash to flight level 100 (3000m) move nw.
  • Volcanic ash to flight level 530 (15900m) observation on satellite img move w. Volcanic ash to flight level 350 (10500m) move se and expected to dissipate 6hr. 17 2241 UTC vona indicates eruption remains ongoing with volcanic ash to 1000m above summit. Forecast based on observation movement and model guidance.

Original Message :

Received FVAU04 at 00:49 UTC, 18/06/25 from ADRM
VA ADVISORY
DTG: 20250618/0045Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/362
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL530 MOV W, VA TO FL350 MOV SE, VA
TO FL100 MOV NW
OBS VA DTG: 18/0030Z
OBS VA CLD: SFC/FL100 S0831 E12248 - S0835 E12248 - S0838 E12241 - S0831 E12233 - S0825 E12239 MOV W 10KT SFC/FL350 S1001 E12209 - S1026 E12343 - S1127 E12401 - S1236 E12328 - S1215 E12211 - S1055 E12129 MOV SE 25KT SFC/FL530 S0849 E12150 - S1031 E12132 - S1044 E12013 - S0914 E11815 - S0914 E11649 - S0658 E11619 - S0708 E11915 - S0759 E12125 MOV W 25KT
25KT
FCST VA CLD +6 HR: 18/0630Z SFC/FL100 S0835 E12247 - S0838 E12241 - S0833 E12233 - S0825 E12239 - S0832 E12249 SFC/FL530 S0809 E12001 - S1023 E11926 - S1042 E11714 - S0913 E11559 - S0846 E11429 - S0637 E11525 - S0704 E11844
E11559 - S0846 E11429 - S0637 E11525 - S0704 E11844
FCST VA CLD +12 HR: 18/1230Z SFC/FL100 S0835 E12247 - S0838 E12241 - S0833 E12233 - S0825 E12239 - S0831 E12248 SFC/FL530 S0818 E11555 - S0950 E11522 - S1000 E11351 - S0901 E11259 - S0851 E11122 - S0747 E11110 - S0630 E11159 - S0651 E11508
E11508
FCST VA CLD +18 HR: 18/1830Z SFC/FL100 S0835 E12247 - S0838 E12241 - S0832 E12232 - S0824 E12239 - S0831 E12248 SFC/FL530 S0743 E11441 - S0929 E11439 - S0928 E11231 - S0823 E11144 - S0802 E11029 - S0623 E11045 - S0632 E11346
E11144 - S0802 E11029 - S0623 E11045 - S0632 E11346
RMK: VA TO FL530 OBS ON SAT IMG MOV W. VA TO FL350 MOV SE
AND EXPECTED TO DISSIPATE WITHIN 6HR. 17/2241Z VONA
INDICATES ERUPTION REMAINS ONGOING WITH VA TO 1000M ABOVE
SUMMIT. FCST BASED ON OBS MOVEMENT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250618/0245Z=
Volcanic Ash Advisory issued on 2025-06-17 at 22:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 17 0935 UTC with volcanic ash to flight level 530 (15900m) move w, volcanic ash to flight level 350 (10500m) move south.
  • Volcanic ash to flight level 530 (15900m) observation on satellite img move w of summit. Volcanic ash to flight level 350 (10500m) move south and expected to dissipate 3-6hr. 17 1918 UTC ground report indicates eruption remains ongoing with volcanic ash to 1000m above summit. Forecast based on observation movement and model guidance.

Original Message :

Received FVAU04 at 22:45 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/2245Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/361
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 17/0935Z WITH VA TO FL530 MOV
W, VA TO FL350 MOV S
OBS VA DTG: 17/2230Z
OBS VA CLD: SFC/FL350 S0843 E12320 - S1101 E12432 - S1159 E12311 - S1146 E12133 - S1010 E12109 MOV S 20KT SFC/FL530 S0844 E12320 - S1010 E12108 - S1000 E11721 - S0731 E11652 - S0633 E11721 - S0657 E12247 MOV W 25KT
S0633 E11721 - S0657 E12247 MOV W 25KT
FCST VA CLD +6 HR: 18/0430Z SFC/FL530 S0908 E12312 - S1019 E12046 - S1027 E11524 - S0842 E11458 - S0635 E11612 - S0625 E11919 - S0659 E12239
E11919 - S0659 E12239
FCST VA CLD +12 HR: 18/1030Z SFC/FL530 S0906 E12309 - S1119 E11345 - S0640 E11320 - S0607 E11740 - S0635 E12248
E11345 - S0640 E11320 - S0607 E11740 - S0635 E12248
FCST VA CLD +18 HR: 18/1630Z SFC/FL530 S0842 E12321 - S1116 E12041 - S1133 E11122 - S0658 E11032 - S0544 E11912 - S0644 E12248
E12248
RMK: VA TO FL530 OBS ON SAT IMG MOV W OF SUMMIT. VA TO FL350
MOV S AND EXPECTED TO DISSIPATE WITHIN 3-6HR. 17/1918Z
GROUND REPORT INDICATES ERUPTION REMAINS ONGOING WITH VA TO
1000M ABOVE SUMMIT. FCST BASED ON OBS MOVEMENT AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250618/0045Z=
Volcanic Ash Advisory issued on 2025-06-17 at 20:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 17 0935 UTC with volcanic ash to 530, minor eruption ongoing.
  • Volcanic ash observation on satellite img near and w of summit. Volcanic ash south of summit expected to dissipate next 3-6h. Latest ground report indicated eruption as ongoing with volcanic ash to 1000m above summit at 17/1918z. Forecast based on observation movement and model guidance.

Original Message :

Received FVAU04 at 20:45 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/2045Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/360
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 17/0935Z WITH VA TO FL530,
MINOR ERUPTION ONGOING
OBS VA DTG: 17/2020Z
OBS VA CLD: SFC/FL530 S0754 E12229 - S1025 E12328 - S1117 E12235 - S0918 E12035 - S0952 E11737 - S0859 E11710 - S0811 E11943 MOV W 25KT
E11943 MOV W 25KT
FCST VA CLD +6 HR: 18/0220Z SFC/FL530 S0904 E12259 - S0932 E12013 - S1023 E11618 - S0947 E11531 - S0844 E11552 - S0743 E11907 - S0720 E12238
E11907 - S0720 E12238
FCST VA CLD +12 HR: 18/0820Z SFC/FL530 S0906 E12303 - S0947 E11859 - S1105 E11423 - S1015 E11311 - S0855 E11329 - S0736 E11748 - S0659 E12239
E11748 - S0659 E12239
FCST VA CLD +18 HR: 18/1420Z SFC/FL530 S0907 E12305 - S1004 E11805 - S1151 E11240 - S1043 E11046 - S0904 E11128 - S0724 E11634 - S0634 E12237
E11634 - S0634 E12237
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. VA S OF SUMMIT
EXPECTED TO DISSIPATE WITHIN NEXT 3-6H. LATEST GROUND REPORT
INDICATED ERUPTION AS ONGOING WITH VA TO 1000M ABOVE SUMMIT
AT 17/1918Z. FCST BASED ON OBS MOVEMENT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250617/2245Z=
Volcanic Ash Advisory issued on 2025-06-17 at 19:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 17 0935 UTC with volcanic ash to 530, eruption ongoing.
  • Volcanic ash observation on satellite img near and w of summit. Latest ground report indicated eruption as ongoing with volcanic ash to 1000m above summit at 17/1918z. Forecast based on observation movement and model guidance.

Original Message :

Received FVAU04 at 19:48 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1945Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/359
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 17/0935Z WITH VA TO FL530,
ERUPTION ONGOING
OBS VA DTG: 17/1930Z
OBS VA CLD: SFC/FL530 S0733 E12228 - S1008 E12313 - S1055 E12227 - S0923 E12052 - S0938 E11901 - S0904 E11755 - S0759 E11949 MOV W 25KT
E11949 MOV W 25KT
FCST VA CLD +6 HR: 18/0130Z SFC/FL530 S0719 E12239 - S1011 E12326 - S1111 E12228 - S0947 E12013 - S0954 E11639 - S0943 E11553 - S0851 E11603 - S0735 E11922
E11553 - S0851 E11603 - S0735 E11922
FCST VA CLD +12 HR: 18/0730Z SFC/FL530 S0652 E12236 - S1023 E12348 - S1133 E12244 - S1025 E12016 - S1041 E11452 - S1010 E11344 - S0853 E11356 - S0724 E11834
E11344 - S0853 E11356 - S0724 E11834
FCST VA CLD +18 HR: 18/1330Z SFC/FL530 S0634 E12243 - S1043 E12408 - S1149 E12300 - S1057 E12032 - S1127 E11218 - S1035 E11113 - S0903 E11146 - S0725 E11642
E11113 - S0903 E11146 - S0725 E11642
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. LATEST GROUND
REPORT INDICATED ERUPTION AS ONGOING WITH VA TO 1000M ABOVE
SUMMIT AT 17/1918Z. FCST BASED ON OBS MOVEMENT AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250617/2045Z=
Volcanic Ash Advisory issued on 2025-06-17 at 19:43 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 17 0935 UTC with volcanic ash to 530, eruption ongoing.
  • Volcanic ash observation on satellite img near and w of summit. Latest ground report indicated eruption as ongoing with volcanic ash to 1000m above summit at 17/1918z. Forecast based on observation movement and model guidance.

Original Message :

Received FVAU04 at 19:44 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1943Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/358
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 17/0935Z WITH VA TO FL530,
ERUPTION ONGOING
OBS VA DTG: 17/1945Z
OBS VA CLD: SFC/FL530 S0732 E12225 - S1003 E12310 - S1047 E12223 - S0917 E12052 - S0938 E11906 - S0905 E11758 - S0759 E11949 MOV W 25KT
E11949 MOV W 25KT
FCST VA CLD +6 HR: 18/0145Z SFC/FL530 S0719 E12239 - S1011 E12326 - S1111 E12228 - S0947 E12013 - S0954 E11639 - S0943 E11553 - S0851 E11603 - S0735 E11922
E11553 - S0851 E11603 - S0735 E11922
FCST VA CLD +12 HR: 18/0745Z SFC/FL530 S0652 E12236 - S1023 E12348 - S1133 E12244 - S1025 E12016 - S1041 E11452 - S1010 E11344 - S0853 E11356 - S0724 E11834
E11344 - S0853 E11356 - S0724 E11834
FCST VA CLD +18 HR: 18/1345Z SFC/FL630 S0634 E12243 - S1043 E12408 - S1149 E12300 - S1057 E12032 - S1127 E11218 - S1035 E11113 - S0903 E11146 - S0725 E11642
E11113 - S0903 E11146 - S0725 E11642
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. LATEST GROUND
REPORT INDICATED ERUPTION AS ONGOING WITH VA TO 1000M ABOVE
SUMMIT AT 17/1918Z. FCST BASED ON OBS MOVEMENT AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250617/1945Z=
Volcanic Ash Advisory issued on 2025-06-17 at 18:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 17 0935 UTC with volcanic ash to flight level 530 (15900m).
  • Volcanic ash observation on satellite img near and w of summit. Eruption was reported as ongoing at 17/1500z, however latest satellite img suggests emission may have ceased. Forecast based on observation movement and model guidance.

Original Message :

Received FVAU04 at 18:43 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1845Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/357
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 17/0935Z WITH VA TO FL530
OBS VA DTG: 17/1820Z
OBS VA CLD: SFC/FL530 S0733 E12239 - S0947 E12311 - S1045 E12219 - S0912 E12116 - S0935 E11851 - S0859 E11758 - S0752 E12000 MOV W 25KT
E12000 MOV W 25KT
FCST VA CLD +6 HR: 18/0020Z SFC/FL530 S0721 E12240 - S0951 E12320 - S1059 E12223 - S0945 E12055 - S1022 E11723 - S0949 E11617 - S0847 E11636 - S0738 E11930
E11617 - S0847 E11636 - S0738 E11930
FCST VA CLD +12 HR: 18/0620Z SFC/FL530 S0707 E12242 - S1010 E12336 - S1116 E12239 - S1017 E12035 - S1051 E11511 - S1010 E11357 - S0850 E11430 - S0724 E11836
E11357 - S0850 E11430 - S0724 E11836
FCST VA CLD +18 HR: 18/1220Z SFC/FL530 S0653 E12249 - S1043 E12357 - S1142 E12307 - S1059 E12033 - S1125 E11302 - S1041 E11143 - S0845 E11204 - S0712 E11718
E11143 - S0845 E11204 - S0712 E11718
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. ERUPTION WAS
REPORTED AS ONGOING AT 17/1500Z, HOWEVER LATEST SAT IMG
SUGGESTS EMISSION MAY HAVE CEASED. FCST BASED ON OBS
MOVEMENT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250617/1945Z=
Volcanic Ash Advisory issued on 2025-06-17 at 17:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 17 0935 UTC with volcanic ash to 530, ongoing eruption.
  • Volcanic ash observation on satellite img near and w of summit. Latest ground report indicated eruption still ongoing at 17/1500z. Forecast based on observation movement and model guidance.

Original Message :

Received FVAU04 at 17:45 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1745Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/356
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 17/0935Z WITH VA TO FL530,
ONGOING ERUPTION
OBS VA DTG: 17/1720Z
OBS VA CLD: SFC/FL530 S0729 E12243 - S0937 E12311 - S1023 E12232 - S0913 E12120 - S0927 E11913 - S0848 E11844 - S0750 E12026 MOV W 25KT
E12026 MOV W 25KT
FCST VA CLD +6 HR: 17/2320Z SFC/FL530 S0715 E12247 - S0949 E12322 - S1045 E12236 - S0940 E12054 - S1021 E11726 - S0947 E11633 - S0848 E11648 - S0740 E11945
E11633 - S0848 E11648 - S0740 E11945
FCST VA CLD +12 HR: 18/0520Z SFC/FL530 S0701 E12257 - S1006 E12330 - S1104 E12249 - S1018 E12036 - S1044 E11521 - S1010 E11408 - S0833 E11431 - S0708 E11930
E11408 - S0833 E11431 - S0708 E11930
FCST VA CLD +18 HR: 18/1120Z SFC/FL530 S0628 E12257 - S1039 E12353 - S1131 E12321 - S1054 E12039 - S1102 E11312 - S1026 E11154 - S0845 E11219 - S0646 E11753
E11154 - S0845 E11219 - S0646 E11753
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. LATEST GROUND
REPORT INDICATED ERUPTION STILL ONGOING AT 17/1500Z. FCST
BASED ON OBS MOVEMENT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250617/1845Z=
Volcanic Ash Advisory issued on 2025-06-17 at 16:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 17 0935 UTC with volcanic ash to 530, ongoing eruption.
  • Volcanic ash observation on satellite img near and w of summit. Latest ground report indicated eruption still ongoing at 17/1500z. Forecast based on model guidance but with high uncertainty.

Original Message :

Received FVAU04 at 16:44 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1645Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/355
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 17/0935Z WITH VA TO FL530,
ONGOING ERUPTION
OBS VA DTG: 17/1620Z
OBS VA CLD: SFC/FL530 S0731 E12247 - S0936 E12308 - S1010 E12224 - S0923 E12121 - S0909 E11923 - S0800 E11938 MOV W 30KT
30KT
FCST VA CLD +6 HR: 17/2220Z SFC/FL530 S0719 E12252 - S0952 E12323 - S1037 E12227 - S0944 E12049 - S1000 E11806 - S0935 E11704 - S0815 E11719 - S0735 E11940
E11704 - S0815 E11719 - S0735 E11940
FCST VA CLD +12 HR: 18/0420Z SFC/FL530 S0702 E12257 - S1001 E12340 - S1111 E12234 - S1020 E12010 - S1039 E11553 - S0941 E11451 - S0757 E11532 - S0712 E11859
E11451 - S0757 E11532 - S0712 E11859
FCST VA CLD +18 HR: 18/1020Z SFC/FL530 S1005 E12359 - S1149 E12233 - S1057 E12003 - S1132 E11501 - S1013 E11314 - S0759 E11343 - S0645 E11758 - S0630 E12257
E11343 - S0645 E11758 - S0630 E12257
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. LATEST GROUND
REPORT INDICATED ERUPTION STILL ONGOING AT 17/1500Z. FCST
BASED ON MODEL GUIDANCE BUT WITH HIGH UNCERTAINTY.
NXT ADVISORY: NO LATER THAN 20250617/1745Z=
Volcanic Ash Advisory issued on 2025-06-17 at 15:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 17 0935 UTC with volcanic ash to 530, ongoing eruption.
  • Volcanic ash observation on satellite img near and w of summit. Latest ground report indicated eruption still ongoing at 17/1500z. Forecast based on model guidance but with high uncertainty.

Original Message :

Received FVAU04 at 15:44 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1545Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/354
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 17/0935Z WITH VA TO FL530,
ONGOING ERUPTION
OBS VA DTG: 17/1520Z
OBS VA CLD: SFC/FL530 S0831 E12251 - S0957 E12259 - S0856 E11948 - S0737 E12014 - S0739 E12256 MOV W 35KT
E11948 - S0737 E12014 - S0739 E12256 MOV W 35KT
FCST VA CLD +6 HR: 17/2120Z SFC/FL530 S0831 E12254 - S1031 E12311 - S0935 E12010 - S0956 E11756 - S0911 E11723 - S0757 E11738 - S0724 E12005 - S0722 E12302
E11738 - S0724 E12005 - S0722 E12302
FCST VA CLD +12 HR: 18/0320Z SFC/FL530 S0834 E12259 - S1053 E12326 - S1015 E12002 - S1054 E11559 - S0951 E11507 - S0759 E11526 - S0658 E11939 - S0644 E12312
E11526 - S0658 E11939 - S0644 E12312
FCST VA CLD +18 HR: 18/0920Z SFC/FL530 S0830 E12307 - S1114 E12349 - S1049 E12008 - S1138 E11454 - S1001 E11313 - S0755 E11348 - S0628 E11928 - S0609 E12329
E11348 - S0628 E11928 - S0609 E12329
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. LATEST GROUND
REPORT INDICATED ERUPTION STILL ONGOING AT 17/1500Z. FCST
BASED ON MODEL GUIDANCE BUT WITH HIGH UNCERTAINTY.
NXT ADVISORY: NO LATER THAN 20250617/1645Z=
Volcanic Ash Advisory issued on 2025-06-17 at 14:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level eruption at 17 0935 UTC to flight level 530 (15900m).
  • Volcanic ash observation on satellite img near and w of summit. Latest ground report indicated eruption still ongoing at 17/1410z. Forecast based on model guidance but with high uncertainty.

Original Message :

Received FVAU04 at 14:48 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1445Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/353
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: HIGH LEVEL ERUPTION AT 17/0935Z TO FL530
OBS VA DTG: 17/1420Z
OBS VA CLD: SFC/FL530 S0748 E12256 - S0941 E12249 - S0901 E12012 - S0812 E11957 - S0726 E12030 MOV W 35KT
E12012 - S0812 E11957 - S0726 E12030 MOV W 35KT
FCST VA CLD +6 HR: 17/2020Z SFC/FL530 S0719 E12312 - S1023 E12250 - S0924 E11736 - S0746 E11726 - S0641 E11933
E12250 - S0924 E11736 - S0746 E11726 - S0641 E11933
FCST VA CLD +12 HR: 18/0220Z SFC/FL530 S0653 E12324 - S1110 E12259 - S0938 E11529 - S0725 E11503 - S0535 E11712
E12259 - S0938 E11529 - S0725 E11503 - S0535 E11712
FCST VA CLD +18 HR: 18/0820Z SFC/FL530 S0619 E12343 - S1147 E12309 - S0950 E11308 - S0719 E11240 - S0358 E11603
E12309 - S0950 E11308 - S0719 E11240 - S0358 E11603
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. LATEST GROUND
REPORT INDICATED ERUPTION STILL ONGOING AT 17/1410Z. FCST
BASED ON MODEL GUIDANCE BUT WITH HIGH UNCERTAINTY.
NXT ADVISORY: NO LATER THAN 20250617/1545Z=
Volcanic Ash Advisory issued on 2025-06-17 at 13:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level eruption at 17 0935 UTC to flight level 530 (15900m).
  • Volcanic ash observation on satellite img near and w of summit. Latest ground report indicated eruption still ongoing at 17/1234z. Forecast based on model guidance but with high uncertainty.

Original Message :

Received FVAU04 at 13:45 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1345Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/352
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: HIGH LEVEL ERUPTION AT 17/0935Z TO FL530
OBS VA DTG: 17/1320Z
OBS VA CLD: SFC/FL530 S0755 E12257 - S0939 E12243 - S0903 E12039 - S0816 E12023 - S0726 E12104 MOV W 35KT
E12039 - S0816 E12023 - S0726 E12104 MOV W 35KT
FCST VA CLD +6 HR: 17/1920Z SFC/FL530 S0719 E12317 - S1023 E12247 - S0926 E11908 - S0736 E11810 - S0603 E12000
E12247 - S0926 E11908 - S0736 E11810 - S0603 E12000
FCST VA CLD +12 HR: 18/0120Z SFC/FL530 S0641 E12337 - S1104 E12252 - S1035 E11823 - S0901 E11633 - S0618 E11553 - S0449 E11851
E11851
FCST VA CLD +18 HR: 18/0720Z SFC/FL530 S0613 E12352 - S1157 E12255 - S1130 E11712 - S0929 E11514 - S0553 E11356 - S0309 E11808
E11808
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. LATEST GROUND
REPORT INDICATED ERUPTION STILL ONGOING AT 17/1234Z. FCST
BASED ON MODEL GUIDANCE BUT WITH HIGH UNCERTAINTY.
NXT ADVISORY: NO LATER THAN 20250617/1445Z=
Volcanic Ash Advisory issued on 2025-06-17 at 12:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level eruption at 17 0935 UTC to flight level 530 (15900m).
  • Volcanic ash observation on satellite img near and w of summit. Latest vona reported eruption still ongoing at 17/1137z. Forecast based on model guidance but with high uncertainty.

Original Message :

Received FVAU04 at 12:44 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1245Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/351
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: HIGH LEVEL ERUPTION AT 17/0935Z TO FL530
OBS VA DTG: 17/1220Z
OBS VA CLD: SFC/FL530 S0808 E12301 - S0914 E12243 - S0857 E12111 - S0759 E12049 - S0737 E12145 MOV W 35KT
E12111 - S0759 E12049 - S0737 E12145 MOV W 35KT
FCST VA CLD +6 HR: 17/1820Z SFC/FL530 S0747 E12317 - S0944 E12244 - S0851 E11918 - S0655 E11930 - S0636 E12120
E12244 - S0851 E11918 - S0655 E11930 - S0636 E12120
FCST VA CLD +12 HR: 18/0020Z SFC/FL530 S0722 E12335 - S1004 E12251 - S0939 E11927 - S0810 E11742 - S0615 E11836 - S0538 E12036
E12036
FCST VA CLD +18 HR: 18/0620Z SFC/FL530 S0708 E12355 - S1030 E12311 - S1028 E11925 - S0919 E11653 - S0642 E11619 - S0442 E11758 - S0450 E12047
E11758 - S0450 E12047
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. LATEST VONA
REPORTED ERUPTION STILL ONGOING AT 17/1137Z. FCST BASED ON
MODEL GUIDANCE BUT WITH HIGH UNCERTAINTY.
NXT ADVISORY: NO LATER THAN 20250617/1345Z=
Volcanic Ash Advisory issued on 2025-06-17 at 11:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level eruption at 17 0935 UTC to flight level 530 (15900m).
  • Volcanic ash observation on satellite img near and w of summit. Latest vona reported volcanic ash to at least 380, satellite img indicates volcanic ash to much higher level. Eruption still ongoing at time of latest ground report. Forecast based on model guidance but with high uncertainty.

Original Message :

Received FVAU04 at 11:42 UTC, 17/06/25 from ADRM
VA ADVISORY
DTG: 20250617/1145Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/350
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: HIGH LEVEL ERUPTION AT 17/0935Z TO FL530
OBS VA DTG: 17/1120Z
OBS VA CLD: SFC/FL530 S0816 E12301 - S0911 E12246 - S0858 E12138 - S0808 E12121 - S0746 E12206 MOV W 35KT
E12138 - S0808 E12121 - S0746 E12206 MOV W 35KT
FCST VA CLD +6 HR: 17/1720Z SFC/FL530 S0809 E12306 - S0925 E12251 - S0915 E12133 - S0837 E12022 - S0735 E12054 - S0714 E12156
E12156
FCST VA CLD +12 HR: 17/2320Z SFC/FL530 S0806 E12315 - S0946 E12301 - S0939 E12109 - S0827 E11909 - S0645 E11956 - S0633 E12141
E12141
FCST VA CLD +18 HR: 18/0520Z SFC/FL530 S0803 E12322 - S1001 E12308 - S1005 E12059 - S0817 E11807 - S0550 E11859 - S0525 E12114
E12114
RMK: VA OBS ON SAT IMG NEAR AND W OF SUMMIT. LATEST VONA
REPORTED VA TO AT LEAST FL380, SAT IMG INDICATES VA TO MUCH
HIGHER LEVEL. ERUPTION STILL ONGOING AT TIME OF LATEST
GROUND REPORT. FCST BASED ON MODEL GUIDANCE BUT WITH HIGH
UNCERTAINTY.
NXT ADVISORY: NO LATER THAN 20250617/1245Z=