Overall Green alert Volcanic eruption for Merapi
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 2021-08-29 at 17:08 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash emission to flight level 30000m extend nw last observation before a break in coverage at a manual station observation at 29 0000 utc.
  • Volcanic ash unidentifiable on latest rgb sat imagery due to obscuration by meteorological cloud, however, volcanic ash expected to have dissipated. No further of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU02 at 17:08 UTC, 29/08/21 from ADRM
VA ADVISORY
DTG: 20210829/1708Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/61
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA EMISSION TO FL100 EXTD NW LAST OBS AT
29/0000Z
EST VA DTG: 29/1650Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL100 120/10KT
FCST VA CLD +6 HR: 29/2250Z NO VA EXP
FCST VA CLD +12 HR: 30/0450Z NO VA EXP
FCST VA CLD +18 HR: 30/1050Z NO VA EXP
RMK: VA UNIDENTIFIABLE ON LATEST RGB SAT IMAGERY DUE TO
OBSCURATION BY MET CLOUD, HOWEVER, VA EXPECTED TO HAVE
DISSIPATED. NO FURTHER REPORTS OF NEW OR ONGOING ERUPTION.
ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-08-29 at 11:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash emission to flight level 30000m extend nw last observation before a break in coverage at a manual station observation at 29 0000 utc.
  • Volcanic ash unidentifiable on latest rgb sat imagery due to obscuration by meteorological cloud, however, eruption likely to be ongoing. Height and forecast based on himawari-8 sat imagery and model guidance.

Original Message :

Received FVAU03 at 11:43 UTC, 29/08/21 from ADRM
VA ADVISORY
DTG: 20210829/1145Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/60
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA EMISSION TO FL100 EXTD NW LAST OBS AT
29/0000Z
EST VA DTG: 29/1130Z
EST VA CLD: SFC/FL100 S0734 E11028 - S0731 E10942 - S0712 E10947 - S0731 E11029 MOV NW 10KT
E10947 - S0731 E11029 MOV NW 10KT
FCST VA CLD +6 HR: 29/1730Z SFC/FL100 S0734 E11029 - S0731 E10941 - S0710 E10950 - S0731 E11029
E10941 - S0710 E10950 - S0731 E11029
FCST VA CLD +12 HR: 29/2330Z SFC/FL100 S0734 E11029 - S0730 E10943 - S0709 E10950 - S0731 E11030
E10943 - S0709 E10950 - S0731 E11030
FCST VA CLD +18 HR: 30/0530Z SFC/FL100 S0734 E11029 - S0740 E10943 - S0715 E10944 - S0730 E11029
E10943 - S0715 E10944 - S0730 E11029
RMK: VA UNIDENTIFIABLE ON LATEST RGB SAT IMAGERY DUE TO
OBSCURATION BY MET CLOUD, HOWEVER, ERUPTION LIKELY TO BE
ONGOING. HEIGHT AND FCST BASED ON HIMAWARI-8 SAT IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210829/1745Z=
Volcanic Ash Advisory issued on 2021-08-29 at 05:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash emission to flight level 30000m extend southwest last observation before a break in coverage at a manual station observation at 29 0000 utc.
  • Volcanic ash unidentifiable on latest sat img due to obscuration by meteorological cloud, however, eruption likely to be ongoing. Height and forecast based on himawari-8 29 0520 utc sat img and model guidance.

Original Message :

Received FVAU03 at 05:43 UTC, 29/08/21 from ADRM
VA ADVISORY
DTG: 20210829/0545Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/59
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA EMISSION TO FL100 EXTD SW LAST OBS AT
29/0000Z
OBS VA DTG: 29/0530Z
OBS VA CLD: SFC/FL100 S0734 E11028 - S0748 E11002 - S0738 E10952 - S0728 E10954 - S0731 E11028 MOV SW 10KT
E10952 - S0728 E10954 - S0731 E11028 MOV SW 10KT
FCST VA CLD +6 HR: 29/1130Z SFC/FL100 S0734 E11028 - S0731 E10942 - S0712 E10947 - S0732 E11029
E10942 - S0712 E10947 - S0732 E11029
FCST VA CLD +12 HR: 29/1730Z SFC/FL100 S0735 E11028 - S0724 E10943 - S0706 E10952 - S0732 E11029
E10943 - S0706 E10952 - S0732 E11029
FCST VA CLD +18 HR: 29/2330Z SFC/FL100 S0732 E11029 - S0735 E11028 - S0727 E10942 - S0708 E10951
E11028 - S0727 E10942 - S0708 E10951
RMK: VA UNIDENTIFIABLE ON LATEST SAT IMG DUE TO OBSCURATION
BY MET CLOUD, HOWEVER, ERUPTION LIKELY TO BE ONGOING. HEIGHT
AND FCST BASED ON HIMAWARI-8 29/0520Z SAT IMG AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210829/1145Z=
Volcanic Ash Advisory issued on 2021-08-28 at 23:46 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash emission to flight level 30000m extend southwest at 28 2330 utc.
  • Volcanic ash discernible on visibility and rgb imagery at 28/2330z. Height and forecast based on himawari-8 sat img and model guidance.

Original Message :

Received FVAU03 at 23:45 UTC, 28/08/21 from ADRM
VA ADVISORY
DTG: 20210828/2346Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/58
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSION TO FL100 EXTD SW AT
28/2330Z
OBS VA DTG: 28/2330Z
OBS VA CLD: SFC/FL100 S0733 E11028 - S0746 E11012 - S0737 E11006 - S0731 E11027 MOV SW 10KT
E11006 - S0731 E11027 MOV SW 10KT
FCST VA CLD +6 HR: 29/0530Z SFC/FL100 S0731 E11027 - S0734 E11029 - S0752 E11007 - S0743 E10957 - S0729 E10958
E11029 - S0752 E11007 - S0743 E10957 - S0729 E10958
FCST VA CLD +12 HR: 29/1130Z SFC/FL100 S0731 E11029 - S0735 E11028 - S0731 E10942 - S0712 E10948
E11028 - S0731 E10942 - S0712 E10948
FCST VA CLD +18 HR: 29/1730Z SFC/FL100 S0732 E11029 - S0735 E11028 - S0727 E10943 - S0708 E10951
E11028 - S0727 E10943 - S0708 E10951
RMK: VA DISCERNIBLE ON VIS AND RGB IMAGERY AT 28/2330Z.
HEIGHT AND FCST BASED ON HIMAWARI-8 SAT IMG AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210829/0546Z=
Volcanic Ash Advisory issued on 2021-08-28 at 21:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 36000m move w, last observation before a break in coverage at a manual station observation at 28 1030 utc.
  • Current satellite imagery indicates that ash from volcano merapi has now dissipated. No further of new or ongoing erupton. Advisory terminated.

Original Message :

Received FVAU02 at 21:49 UTC, 28/08/21 from ADRM
VA ADVISORY
DTG: 20210828/2150Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/57
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL120 MOV W, LAST OBS AT 28/1030Z
EST VA DTG: 28/2130Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL120 070/10KT
FCST VA CLD +6 HR: 29/0330Z NO VA EXP
FCST VA CLD +12 HR: 29/0930Z NO VA EXP
FCST VA CLD +18 HR: 29/1530Z NO VA EXP
RMK: CURRENT SATELLITE IMAGERY INDICATES THAT ASH FROM
VOLCANO MERAPI HAS NOW DISSIPATED. NO FURTHER REPORTS OF NEW
OR ONGOING ERUPTON. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-08-28 at 16:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash emissions to flight level 36000m move w, last observation before a break in coverage at a manual station observation at 28 1030 utc.
  • Continuous volcanic ash to flight level 36000m not identifiable on latest sat imagery due to meteorological cloud cover. Height and forecast based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 16:38 UTC, 28/08/21 from ADRM
VA ADVISORY
DTG: 20210828/1640Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/56
INFO SOURCE: HIMAWARI-8, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSIONS TO FL120 MOV W,
LAST OBS AT 28/1030Z
EST VA DTG: 28/1620Z
EST VA CLD: SFC/FL120 S0734 E11029 - S0745 E11004 - S0737 E10957 - S0726 E11000 - S0730 E11029 MOV W 05KT
E10957 - S0726 E11000 - S0730 E11029 MOV W 05KT
FCST VA CLD +6 HR: 28/2220Z SFC/FL120 S0732 E11030 - S0750 E11013 - S0747 E11002 - S0736 E11001 - S0729 E11027
E11013 - S0747 E11002 - S0736 E11001 - S0729 E11027
FCST VA CLD +12 HR: 29/0420Z SFC/FL120 S0734 E11029 - S0750 E11008 - S0742 E10959 - S0731 E11002 - S0730 E11028
E11008 - S0742 E10959 - S0731 E11002 - S0730 E11028
FCST VA CLD +18 HR: 29/1020Z SFC/FL120 S0735 E11029 - S0740 E11002 - S0730 E10958 - S0722 E11005 - S0731 E11029
E11002 - S0730 E10958 - S0722 E11005 - S0731 E11029
RMK: CONTINUOUS VA TO FL120 NOT IDENTIFIABLE ON LATEST SAT
IMAGERY DUE TO MET CLOUD COVER. HEIGHT AND FORECAST BASED ON
HIMAWARI-8 IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210828/2240Z=
Volcanic Ash Advisory issued on 2021-08-28 at 10:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continous volcanic ash emissions to flight level 36000m move southwest.
  • Continuous volcanic ash to flight level 36000m observation on latest rgb sat imagery move southwest from summit. Height and forecast based on himawari-8 28 1020 utc imagery and model guidance. **cor due to typo in rmk**.

Original Message :

Received FVAU02 at 10:56 UTC, 28/08/21 from ADRM
VA ADVISORY
DTG: 20210828/1055Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/55
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINOUS VA EMISSIONS TO FL120 MOV SW
OBS VA DTG: 28/1020Z
OBS VA CLD: SFC/FL120 S0730 E11026 - S0741 E11011 - S0745 E11015 - S0732 E11030 MOV SW 05KT
E11015 - S0732 E11030 MOV SW 05KT
FCST VA CLD +6 HR: 28/1620Z SFC/FL120 S0730 E11026 - S0733 E11030 - S0751 E11012 - S0740 E11001 - S0730 E11026
E11030 - S0751 E11012 - S0740 E11001 - S0730 E11026
FCST VA CLD +12 HR: 28/2220Z SFC/FL120 S0730 E11026 - S0732 E11030 - S0751 E11012 - S0740 E11001
E11030 - S0751 E11012 - S0740 E11001
FCST VA CLD +18 HR: 29/0420Z SFC/FL120 S0731 E11029 - S0734 E11029 - S0748 E11007 - S0738 E10959 - S0729 E11003
E11029 - S0748 E11007 - S0738 E10959 - S0729 E11003
RMK: CONTINUOUS VA TO FL120 OBS ON LATEST RGB SAT IMAGERY
MOV SW FROM SUMMIT. HEIGHT AND FORECAST BASED ON HIMAWARI-8
28/1020Z IMAGERY AND MODEL GUIDANCE. **COR DUE TO TYPO IN
RMK**
NXT ADVISORY: NO LATER THAN 20210828/1645Z=
Volcanic Ash Advisory issued on 2021-08-19 at 23:19 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to height on webcam at 19 2308 utc.
  • Discrete volcanic ash to height associated with pyroclastic ow observed on webcam at 19/2308z. Volcanic ash expected to near summit. Area currently obscured by meteorological cloud, however advisory will be updated if new information is.

Original Message :

Received FVAU03 at 23:19 UTC, 19/08/21 from ADRM
VA ADVISORY
DTG: 20210819/2319Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/54
INFO SOURCE: WEBCAM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO UNKNOWN HEIGHT ON WEBCAM AT 19/2308Z
OBS VA DTG: 19/2308Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL100 090/10KT
FCST VA CLD +6 HR: 20/0508Z NOT AVBL
FCST VA CLD +12 HR: 20/1108Z NOT AVBL
FCST VA CLD +18 HR: 20/1708Z NOT AVBL
RMK: DISCRETE VA TO UNKNOWN HEIGHT ASSOCIATED WITH
PYROCLASTIC FLOW OBSERVED ON WEBCAM AT 19/2308Z. VA EXPECTED
TO REMAIN NEAR SUMMIT. AREA CURRENTLY OBSCURED BY MET CLOUD,
HOWEVER ADVISORY WILL BE UPDATED IF NEW INFORMATION IS
Volcanic Ash Advisory issued on 2021-08-18 at 07:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Emissions to flight level 36000m ext southwest.
  • Sat img/webcam/pirep have indicated that no significant volcanic ash is currently airborne. Continuous steam emission is ongoing & occasional pyroclastic are likely to locally suspend volcanic ash near volcano. Adv will be reissued if situation changes. Adv terminated.

Original Message :

Received FVAU02 at 07:03 UTC, 18/08/21 from ADRM
VA ADVISORY
DTG: 20210818/0715Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/53
INFO SOURCE: HIMAWARI-8, WEBCAM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: EMISSIONS TO FL120 EXT SW
OBS VA DTG: 18/0650Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL120 030/05KT
FCST VA CLD +6 HR: 18/1250Z NO VA EXP
FCST VA CLD +12 HR: 18/1850Z NO VA EXP
FCST VA CLD +18 HR: 19/0050Z NO VA EXP
RMK: SAT IMG/WEBCAM/PIREP HAVE INDICATED THAT NO SIGNIFICANT
VA IS CURRENTLY AIRBORNE. CONTINUOUS STEAM EMISSION IS
ONGOING & OCCASIONAL PYROCLASTIC FLOWS ARE LIKELY TO LOCALLY
SUSPEND VA NEAR VOLCANO. ADV WILL BE REISSUED IF SITUATION
CHANGES. ADV TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-08-18 at 01:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash emissions to flight level 36000m ext southwest.
  • Continuous steam/va emissions to flight level 36000m observation on sat imagery. Webcam occasional pyroclastic ow with some suspended volcanic ash during these events. Height and forecast based on himawari-8 imagery, webcam and ground reports.

Original Message :

Received FVAU02 at 01:09 UTC, 18/08/21 from ADRM
VA ADVISORY
DTG: 20210818/0115Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/52
INFO SOURCE: HIMAWARI-8, WEBCAM, GRND REPORTS
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSIONS TO FL120 EXT SW
OBS VA DTG: 18/0050Z
OBS VA CLD: SFC/FL120 S0733 E11028 - S0757 E11005 - S0745 E10955 - S0730 E11026 MOV SW 10KT
E10955 - S0730 E11026 MOV SW 10KT
FCST VA CLD +6 HR: 18/0650Z SFC/FL120 S0733 E11029 - S0757 E11005 - S0738 E10955 - S0730 E11027
E11005 - S0738 E10955 - S0730 E11027
FCST VA CLD +12 HR: 18/1250Z SFC/FL120 S0734 E11029 - S0752 E11003 - S0727 E10959 - S0730 E11028
E11003 - S0727 E10959 - S0730 E11028
FCST VA CLD +18 HR: 18/1850Z SFC/FL120 S0734 E11029 - S0752 E11004 - S0726 E10958 - S0730 E11028
E11004 - S0726 E10958 - S0730 E11028
RMK: CONTINUOUS STEAM/VA EMISSIONS TO FL120 OBS ON SAT
IMAGERY. WEBCAM SHOWS OCCASIONAL PYROCLASTIC FLOW WITH SOME
SUSPENDED VA DURING THESE EVENTS. HEIGHT AND FCST BASED ON
HIMAWARI-8 IMAGERY, WEBCAM AND GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20210818/0715Z=
Volcanic Ash Advisory issued on 2021-08-17 at 19:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash emissions to flight level 36000m ext to southwest.
  • Volcanic ash unidentifiable since 17 0150 utc due to obscuration, however emissions expected to continue to southwest height and movement extrapolated from himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 19:13 UTC, 17/08/21 from ADRM
VA ADVISORY
DTG: 20210817/1915Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/51
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSIONS TO FL120 EXT TO SW
OBS VA DTG: 17/1850Z
OBS VA CLD: SFC/FL120 S0734 E11029 - S0757 E10958 - S0727 E10951 - S0730 E11029 MOV SW 05KT
E10951 - S0730 E11029 MOV SW 05KT
FCST VA CLD +6 HR: 18/0050Z SFC/FL120 S0734 E11029 - S0751 E10957 - S0723 E10951 - S0729 E11028
E10957 - S0723 E10951 - S0729 E11028
FCST VA CLD +12 HR: 18/0650Z SFC/FL120 S0734 E11030 - S0754 E11007 - S0731 E10953 - S0730 E11028
E11007 - S0731 E10953 - S0730 E11028
FCST VA CLD +18 HR: 18/1250Z SFC/FL120 S0734 E11029 - S0753 E11006 - S0727 E10958 - S0730 E11028
E11006 - S0727 E10958 - S0730 E11028
RMK: VA UNIDENTIFIABLE SINCE 17/0150Z DUE TO OBSCURATION,
HOWEVER EMISSIONS EXPECTED TO CONTINUE TO SW. HEIGHT AND
MOVEMENT EXTRAPOLATED FROM HIMAWARI-8 IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210818/0115Z=
Volcanic Ash Advisory issued on 2021-08-17 at 13:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash emissions to flight level 36000m ext to w.
  • Volcanic ash unidentifiable since 17 0150 utc due to obscuration, however emissions expected to continue to w. Height and movement extrapolated from himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 13:13 UTC, 17/08/21 from ADRM
VA ADVISORY
DTG: 20210817/1315Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/50
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSIONS TO FL120 EXT TO W
OBS VA DTG: 17/1250Z
OBS VA CLD: SFC/FL120 S0735 E11028 - S0743 E10949 - S0710 E10955 - S0730 E11029 MOV W 10KT
E10955 - S0730 E11029 MOV W 10KT
FCST VA CLD +6 HR: 17/1850Z SFC/FL120 S0734 E11029 - S0748 E10952 - S0715 E10952 - S0730 E11029
E10952 - S0715 E10952 - S0730 E11029
FCST VA CLD +12 HR: 18/0050Z SFC/FL120 S0734 E11029 - S0750 E10956 - S0723 E10951 - S0729 E11028
E10956 - S0723 E10951 - S0729 E11028
FCST VA CLD +18 HR: 18/0650Z SFC/FL120 S0734 E11030 - S0754 E11007 - S0731 E10953 - S0730 E11028
E11007 - S0731 E10953 - S0730 E11028
RMK: VA UNIDENTIFIABLE SINCE 17/0150Z DUE TO OBSCURATION,
HOWEVER EMISSIONS EXPECTED TO CONTINUE TO W. HEIGHT AND
MOVEMENT EXTRAPOLATED FROM HIMAWARI-8 IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210817/1915Z=
Volcanic Ash Advisory issued on 2021-08-17 at 07:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash emissions to flight level 36000m ext to w.
  • Volcanic ash unidentifiable since 17 0150 utc due to obscuration, however emissions expected to continue to w. Height and movement extrapolated from himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 07:12 UTC, 17/08/21 from ADRM
VA ADVISORY
DTG: 20210817/0715Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/49
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSIONS TO FL120 EXT TO W
EST VA DTG: 17/0650Z
EST VA CLD: SFC/FL120 S0734 E11029 - S0748 E10945 - S0711 E10949 - S0730 E11029 MOV W 10KT
E10949 - S0730 E11029 MOV W 10KT
FCST VA CLD +6 HR: 17/1250Z SFC/FL120 S0735 E11028 - S0743 E10949 - S0710 E10955 - S0730 E11029
E10949 - S0710 E10955 - S0730 E11029
FCST VA CLD +12 HR: 17/1850Z SFC/FL120 S0734 E11029 - S0748 E10952 - S0715 E10952 - S0730 E11029
E10952 - S0715 E10952 - S0730 E11029
FCST VA CLD +18 HR: 18/0050Z SFC/FL120 S0734 E11029 - S0753 E10955 - S0725 E10950 - S0729 E11028
E10955 - S0725 E10950 - S0729 E11028
RMK: VA UNIDENTIFIABLE SINCE 17/0150Z DUE TO OBSCURATION,
HOWEVER EMISSIONS EXPECTED TO CONTINUE TO W. HEIGHT AND
MOVEMENT EXTRAPOLATED FROM HIMAWARI-8 IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210817/1315Z=
Volcanic Ash Advisory issued on 2021-08-17 at 01:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation move nw at 17 0050 utc.
  • Volcanic ash observation on infrared and visibility sat img moving northwest. Volcanic ash forecast based on observation from himawari-8 imagery and ec/jma/access model guidance.

Original Message :

Received FVAU02 at 01:16 UTC, 17/08/21 from ADRM
VA ADVISORY
DTG: 20210817/0115Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/48
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS MOV NW AT 17/0050Z
OBS VA DTG: 17/0050Z
OBS VA CLD: SFC/FL120 S0733 E11030 - S0736 E11027 - S0728 E10944 - S0700 E11001 MOV NW 05KT
E10944 - S0700 E11001 MOV NW 05KT
FCST VA CLD +6 HR: 17/0650Z SFC/FL120 S0735 E11028 - S0748 E10945 - S0711 E10949 - S0730 E11029
E10945 - S0711 E10949 - S0730 E11029
FCST VA CLD +12 HR: 17/1250Z SFC/FL120 S0735 E11028 - S0743 E10949 - S0710 E10955 - S0730 E11029
E10949 - S0710 E10955 - S0730 E11029
FCST VA CLD +18 HR: 17/1850Z SFC/FL120 S0735 E11028 - S0743 E10949 - S0712 E10954 - S0730 E11029
E10949 - S0712 E10954 - S0730 E11029
RMK: VA OBS ON IR AND VIS SAT IMG MOVING NORTHWEST. VA
FORECAST BASED ON OBS MOTION FROM HIMAWARI-8 IMAGERY AND
EC/JMA/ACCESS MODEL GUIDANCE
NXT ADVISORY: NO LATER THAN 20210817/0715Z=
Volcanic Ash Advisory issued on 2021-08-16 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 36000m move w at 15 2320 utc.
  • Volcanic ash not identifiable on recent satellite imagery due to meteorological cloud cover. Ash still expected in the vicinity of volcano. Volcanic ash height and movement based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 23:00 UTC, 16/08/21 from ADRM
VA ADVISORY
DTG: 20210816/2300Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/47
INFO SOURCE: HIMAWARI-8, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS TO FL120 MOV W AT 15/2320Z
OBS VA DTG: 16/2240Z
OBS VA CLD: SFC/FL120 S0735 E11030 - S0748 E10954 - S0726 E10951 - S0729 E11029 MOV W 05KT
E10951 - S0729 E11029 MOV W 05KT
FCST VA CLD +6 HR: 17/0440Z SFC/FL120 S0736 E11030 - S0744 E10951 - S0718 E10951 - S0730 E11030
E10951 - S0718 E10951 - S0730 E11030
FCST VA CLD +12 HR: 17/1040Z SFC/FL120 S0737 E11027 - S0724 E10951 - S0702 E11013 - S0733 E11032
E10951 - S0702 E11013 - S0733 E11032
FCST VA CLD +18 HR: 17/1640Z NO VA EXP
RMK: VA NOT IDENTIFIABLE ON RECENT SATELLITE IMAGERY DUE TO
MET CLOUD COVER. ASH STILL EXPECTED IN THE VICINITY OF
VOLCANO. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210817/0500Z=
Volcanic Ash Advisory issued on 2021-08-16 at 17:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 36000m move w at 15 2320 utc.
  • Volcanic ash not identifiable on recent satellite imagery due to meteorological cloud cover. Ash still expected in the vicinity of volcano. Volcanic ash height and movement based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 16:55 UTC, 16/08/21 from ADRM
VA ADVISORY
DTG: 20210816/1700Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/46
INFO SOURCE: HIMAWARI-8, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS TO FL120 MOV W AT 15/2320Z
OBS VA DTG: 16/1640Z
OBS VA CLD: SFC/FL120 S0735 E11029 - S0744 E10953 - S0722 E10954 - S0729 E11029 MOV W 08KT
E10954 - S0729 E11029 MOV W 08KT
FCST VA CLD +6 HR: 16/2240Z SFC/FL120 S0735 E11030 - S0748 E10954 - S0726 E10951 - S0729 E11029
E10954 - S0726 E10951 - S0729 E11029
FCST VA CLD +12 HR: 17/0440Z SFC/FL120 S0736 E11030 - S0744 E10951 - S0718 E10951 - S0730 E11030
E10951 - S0718 E10951 - S0730 E11030
FCST VA CLD +18 HR: 17/1040Z SFC/FL120 S0737 E11027 - S0724 E10951 - S0702 E11013 - S0733 E11032
E10951 - S0702 E11013 - S0733 E11032
RMK: VA NOT IDENTIFIABLE ON RECENT SATELLITE IMAGERY DUE TO
MET CLOUD COVER. ASH STILL EXPECTED IN THE VICINITY OF
VOLCANO. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210816/2300Z=
Volcanic Ash Advisory issued on 2021-08-16 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 36000m move w at 15 2320 utc.
  • Volcanic ash not identifiable on recent satellite imagery due to meteorological cloud cover. Ash still expected in the vicinity of volcano. Volcanic ash height and movement based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 11:00 UTC, 16/08/21 from ADRM
VA ADVISORY
DTG: 20210816/1100Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/45
INFO SOURCE: HIMAWARI-8, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS TO FL120 MOV W AT 15/2320Z
OBS VA DTG: 16/1040Z
OBS VA CLD: SFC/FL120 S0731 E11029 - S0736 E11028 - S0737 E10952 - S0718 E10955 MOV W 10KT
E10952 - S0718 E10955 MOV W 10KT
FCST VA CLD +6 HR: 16/1640Z SFC/FL120 S0735 E11029 - S0739 E10953 - S0720 E10954 - S0729 E11029
E10953 - S0720 E10954 - S0729 E11029
FCST VA CLD +12 HR: 16/2240Z SFC/FL120 S0735 E11030 - S0748 E10953 - S0724 E10951 - S0729 E11029
E10953 - S0724 E10951 - S0729 E11029
FCST VA CLD +18 HR: 17/0440Z SFC/FL120 S0736 E11030 - S0744 E10951 - S0718 E10951 - S0730 E11030
E10951 - S0718 E10951 - S0730 E11030
RMK: VA NOT IDENTIFIABLE ON RECENT SATELLITE IMAGERY DUE TO
MET CLOUD COVER. ASH STILL EXPECTED IN THE VICINITY OF
VOLCANO. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210816/1700Z=
Volcanic Ash Advisory issued on 2021-08-16 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 36000m move w at 15 2320 utc.
  • Volcanic ash has not been identifiable on satellite imagery. Ash still expected in vicinity of volcano due to recent ground and pilot reports. Height and movement extrapolated from himawari-8 imagery, jakarta 16 0000 utc sounding and model guidance.

Original Message :

Received FVAU02 at 04:57 UTC, 16/08/21 from ADRM
VA ADVISORY
DTG: 20210816/0500Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/44
INFO SOURCE: HIMAWARI-8, GND REPORT
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS TO FL120 MOV W AT 15/2320Z
OBS VA DTG: 16/0440Z
OBS VA CLD: SFC/FL120 S0734 E11028 - S0736 E10951 - S0712 E10955 - S0729 E11029 MOV W 10KT
E10955 - S0729 E11029 MOV W 10KT
FCST VA CLD +6 HR: 16/1040Z SFC/FL120 S0734 E11028 - S0736 E10951 - S0712 E10955 - S0729 E11029
E10951 - S0712 E10955 - S0729 E11029
FCST VA CLD +12 HR: 16/1640Z SFC/FL120 S0735 E11028 - S0734 E10951 - S0710 E11000 - S0729 E11029
E10951 - S0710 E11000 - S0729 E11029
FCST VA CLD +18 HR: 16/2240Z SFC/FL120 S0735 E11028 - S0734 E10952 - S0709 E11000 - S0729 E11029
E10952 - S0709 E11000 - S0729 E11029
RMK: VA HAS NOT BEEN IDENTIFIABLE ON SATELLITE IMAGERY. ASH
STILL EXPECTED IN VICINITY OF VOLCANO DUE TO RECENT GROUND
AND PILOT REPORTS. HEIGHT AND MOVEMENT EXTRAPOLATED FROM
HIMAWARI-8 IMAGERY, JAKARTA 16/0000Z SOUNDING AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210816/1100Z=
Volcanic Ash Advisory issued on 2021-08-15 at 23:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 36000m move at 15 2320 utc.
  • Volcanic ash observation on rgb and visibility sat img moving w. Volcanic ash reported to 11418ft above sea level volcanic ash forecast based on observation from himawari-8 imageri and ec/jma/access/us model guidance.

Original Message :

Received FVAU02 at 23:41 UTC, 15/08/21 from ADRM
VA ADVISORY
DTG: 20210815/2340Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/43
INFO SOURCE: HIMAWARI-8, CVGHM VONA
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS TO FL120 MOV AT 15/2320Z
OBS VA DTG: 15/2315Z
OBS VA CLD: SFC/FL120 S0735 E11027 - S0731 E10952 - S0707 E11001 - S0729 E11029 MOV W 15KT
E11001 - S0729 E11029 MOV W 15KT
FCST VA CLD +6 HR: 16/0515Z SFC/FL120 S0734 E11029 - S0742 E10953 - S0719 E10952 - S0727 E11029
E10953 - S0719 E10952 - S0727 E11029
FCST VA CLD +12 HR: 16/1115Z SFC/FL120 S0734 E11028 - S0742 E10953 - S0719 E10952 - S0727 E11028
E10953 - S0719 E10952 - S0727 E11028
FCST VA CLD +18 HR: 16/1715Z SFC/FL120 S0734 E11028 - S0741 E10952 - S0717 E10953 - S0728 E11028
E10952 - S0717 E10953 - S0728 E11028
RMK: VA OBS ON RGB AND VIS SAT IMG MOVING W. VA REPORTED TO
11418FT ABOVE SEA LEVEL. VA FORECAST BASED ON OBS MOTION
FROM HIMAWARI-8 IMAGERI AND EC/JMA/ACCESS/US MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210816/0540Z=
Volcanic Ash Advisory issued on 2021-08-14 at 19:55 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 30000m move wsw at 14 1830 utc.
  • Current satellite imagery indicates that ash from volcano merapi has now dissipated. No further of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU02 at 19:51 UTC, 14/08/21 from ADRM
VA ADVISORY
DTG: 20210814/1955Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/42
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA LAST OBS TO FL100 MOV WSW AT 14/1830Z
OBS VA DTG: 14/1930Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL100 060/10KT
FCST VA CLD +6 HR: 15/0130Z NO VA EXP
FCST VA CLD +12 HR: 15/0730Z NO VA EXP
FCST VA CLD +18 HR: 15/1330Z NO VA EXP
RMK: CURRENT SATELLITE IMAGERY INDICATES THAT ASH FROM
VOLCANO MERAPI HAS NOW DISSIPATED. NO FURTHER REPORTS OF NEW
OR ONGOING ERUPTION. ADVISORY TERMINATED
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-08-14 at 17:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Discrete volcanic ash emission to flight level 30000m move wsw at 14 1720 utc.
  • Volcanic ash discernible on rgb sat img in clear conditions at 14 1720 utc move wsw from summit. Height and forecast based on himawari-8 sat img and model guidance. Volcanic ash expected to dissipate 3 hours.

Original Message :

Received FVAU02 at 17:39 UTC, 14/08/21 from ADRM
VA ADVISORY
DTG: 20210814/1740Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/41
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: DISCRETE VA EMISSION TO FL100 MOV WSW AT
14/1720Z
OBS VA DTG: 14/1720Z
OBS VA CLD: SFC/FL100 S0738 E11016 - S0739 E11011 - S0737 E11010 - S0733 E11011 - S0732 E11015 MOV SW 10KT
E11010 - S0733 E11011 - S0732 E11015 MOV SW 10KT
FCST VA CLD +6 HR: 14/2320Z NO VA EXP
FCST VA CLD +12 HR: 15/0520Z NO VA EXP
FCST VA CLD +18 HR: 15/1120Z NO VA EXP
RMK: VA DISCERNIBLE ON RGB SAT IMG IN CLEAR CONDITIONS AT
14/1720Z MOV WSW FM SUMMIT. HEIGHT AND FCST BASED ON
HIMAWARI-8 SAT IMG AND MODEL GUIDANCE. VA EXPECTED TO
DISSIPATE WITHIN 3 HOURS.
NXT ADVISORY: NO LATER THAN 20210814/2340Z=
Volcanic Ash Advisory issued on 2021-08-12 at 02:07 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash no longer discernible on 12 0140 utc sat image.
  • Discrete volcanic ash emission no longer identifiable on satellite imagery and has now dissipated. Advisory terminated due to lack of volcanic ash observation or reports.

Original Message :

Received FVAU02 at 02:07 UTC, 12/08/21 from ADRM
VA ADVISORY
DTG: 20210812/0207Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/40
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA NO LONGER DISCERNIBLE ON 12/0140Z SAT
IMAGE
OBS VA DTG: 12/0140Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL140 040/20KT
FCST VA CLD +6 HR: 12/0740Z NO VA EXP
FCST VA CLD +12 HR: 12/1340Z NO VA EXP
FCST VA CLD +18 HR: 12/1940Z NO VA EXP
RMK: DISCRETE VA EMISSION NO LONGER IDENTIFIABLE ON
SATELLITE IMAGERY AND HAS NOW DISSIPATED. ADVISORY
TERMINATED DUE TO LACK OF VA OBS OR REPORTS.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-08-11 at 23:57 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation at 11 2330 utc to flight level 42000m move southwest.
  • Discrete volcanic ash emission discernible on rgb satellite imagery. No further volcanic ash observation on webcam near summit. Volcanic ash observation moving southwest on sat imagery and expected to continue to southwest and dissipate 3 hours.

Original Message :

Received FVAU02 at 23:58 UTC, 11/08/21 from ADRM
VA ADVISORY
DTG: 20210811/2357Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/39
INFO SOURCE: HIMAWARI-8, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS AT 11/2330Z TO FL140 MOV SW
OBS VA DTG: 11/2330Z
OBS VA CLD: SFC/FL140 S0819 E10919 - S0848 E10922 - S0908 E10929 - S0908 E10919 - S0851 E10911 - S0824 E10909 MOV SW 20KT
20KT
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: DISCRETE VA EMISSION DISCERNIBLE ON RGB SATELLITE
IMAGERY. NO FURTHER VA OBS ON WEBCAM NEAR SUMMIT. VA OBS
MOVING SW ON SAT IMAGERY AND EXPECTED TO CONTINUE TO SW AND
DISSIPATE WITHIN 3 HOURS.
NXT ADVISORY: NO LATER THAN 20210812/0300Z=
Volcanic Ash Advisory issued on 2021-08-11 at 20:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation at 11 2010 utc to flight level 42000m move southwest.
  • Multiple discrete volcanic ash emissions discernible on rgb satellite imagery. Lava ow and emissions on webcam. Volcanic ash expected to dissipate 6-12 hours. Volcanic ash height and movement based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 20:32 UTC, 11/08/21 from ADRM
VA ADVISORY
DTG: 20210811/2030Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/38
INFO SOURCE: HIMAWARI-8, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS AT 11/2010Z TO FL140 MOV SW
OBS VA DTG: 11/2010Z
OBS VA CLD: SFC/FL140 S0733 E11030 - S0759 E11014 - S0800 E11003 - S0746 E11001 - S0730 E11026 MOV SW 20KT
E11003 - S0746 E11001 - S0730 E11026 MOV SW 20KT
FCST VA CLD +6 HR: 12/0210Z SFC/FL140 S0732 E11030 - S0833 E11008 - S0838 E10944 - S0816 E10932 - S0730 E11026
E11008 - S0838 E10944 - S0816 E10932 - S0730 E11026
FCST VA CLD +12 HR: 12/0810Z SFC/FL140 S0732 E11029 - S0833 E11008 - S0837 E10954 - S0838 E10944 - S0817 E10931 - S0730 E11025
E11025
FCST VA CLD +18 HR: 12/1410Z NO VA EXP
RMK: MULTIPLE DISCRETE VA EMISSIONS DISCERNIBLE ON RGB
SATELLITE IMAGERY. LAVA FLOW AND EMISSIONS ON WEBCAM. VA
EXPECTED TO DISSIPATE WITHIN 6-12 HOURS. VA HEIGHT AND
MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210812/0230Z=
Volcanic Ash Advisory issued on 2021-08-11 at 19:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation at 11 1850 utc to flight level 42000m move southwest.
  • Discrete volcanic ash emission discernible on rgb satellite imagery. Lava ow and emissions can be seen on webcam. Volcanic ash is expected to dissipate 6 hours. Volcanic ash height and movement based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 19:15 UTC, 11/08/21 from ADRM
VA ADVISORY
DTG: 20210811/1910Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/37
INFO SOURCE: HIMAWARI-8, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS AT 11/1850Z TO FL140 MOV SW
OBS VA DTG: 11/1850Z
OBS VA CLD: SFC/FL140 S0732 E11029 - S0755 E11012 - S0745 E11002 - S0730 E11026 MOV SW 20KT
E11002 - S0730 E11026 MOV SW 20KT
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: DISCRETE VA EMISSION DISCERNIBLE ON RGB SATELLITE
IMAGERY. LAVA FLOW AND EMISSIONS CAN BE SEEN ON WEBCAM. VA
IS EXPECTED TO DISSIPATE WITHIN 6 HOURS. VA HEIGHT AND
MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210812/0110Z=
Volcanic Ash Advisory issued on 2021-08-11 at 07:00 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 30000m at 11 0120 utc.
  • Current satellite imagery indicates that ash from volcano merapi has now dissipated. No further of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU02 at 06:59 UTC, 11/08/21 from ADRM
VA ADVISORY
DTG: 20210811/0700Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/36
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA LAST OBS TO FL100 AT 11/0120Z
OBS VA DTG: 11/0640Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL100 030/15KT
FCST VA CLD +6 HR: 11/1240Z NO VA EXP
FCST VA CLD +12 HR: 11/1840Z NO VA EXP
FCST VA CLD +18 HR: 12/0040Z NO VA EXP
RMK: CURRENT SATELLITE IMAGERY INDICATES THAT ASH FROM
VOLCANO MERAPI HAS NOW DISSIPATED. NO FURTHER REPORTS OF NEW
OR ONGOING ERUPTION. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-08-11 at 01:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 30000m move nw at 11 0040 utc.
  • Volcanic ash observation on rgb and visibility sat img moving northwest. Volcanic ash forecast based on observation from himawari-8 imagery and ec/access/jma/us model guidance.

Original Message :

Received FVAU02 at 01:04 UTC, 11/08/21 from ADRM
VA ADVISORY
DTG: 20210811/0100Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/35
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS TO FL100 MOV NW AT
11/0040Z
OBS VA DTG: 11/0040Z
OBS VA CLD: SFC/FL100 S0734 E11027 - S0729 E11002 - S0716 E11008 - S0730 E11028 MOV NW 20KT
E11008 - S0730 E11028 MOV NW 20KT
FCST VA CLD +6 HR: 11/0640Z SFC/FL100 S0733 E11027 - S0740 E11004 - S0725 E11003 - S0730 E11027
E11004 - S0725 E11003 - S0730 E11027
FCST VA CLD +12 HR: 11/1240Z SFC/FL100 S0733 E11028 - S0748 E11010 - S0733 E11003 - S0730 E11027
E11010 - S0733 E11003 - S0730 E11027
FCST VA CLD +18 HR: 11/1840Z SFC/FL100 S0732 E11028 - S0748 E11011 - S0733 E11003 - S0730 E11027
E11011 - S0733 E11003 - S0730 E11027
RMK: VA OBS ON RGB AND VIS SAT IMG MOVING NORTHWEST. VA
FORECAST BASED ON OBS MOTION FROM HIMAWARI-8 IMAGERY AND
EC/ACCESS/JMA/US MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210811/0700Z=
Volcanic Ash Advisory issued on 2021-08-10 at 22:20 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 42000m at 10 1600 utc.
  • Current satellite imagery indicates that ash from volcano merapi has now dissipated. No further of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU02 at 22:22 UTC, 10/08/21 from ADRM
VA ADVISORY
DTG: 20210810/2220Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/34
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA LAST OBS TO FL140 AT 10/1600Z
EST VA DTG: 10/2200Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL140 120/15KT
FCST VA CLD +6 HR: 11/0400Z NO VA EXP
FCST VA CLD +12 HR: 11/1000Z NO VA EXP
FCST VA CLD +18 HR: 11/1600Z NO VA EXP
RMK: CURRENT SATELLITE IMAGERY INDICATES THAT ASH FROM
VOLCANO MERAPI HAS NOW DISSIPATED. NO FURTHER REPORTS OF NEW
OR ONGOING ERUPTION. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-08-10 at 16:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 42000m observation at 10 1600 utc move nw.
  • Volcanic ash discernible on multispectral satellite imagery. Volcanic ash is expected to disssipate 6hrs. Volcanic ash height and movement based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 16:20 UTC, 10/08/21 from ADRM
VA ADVISORY
DTG: 20210810/1620Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/33
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL140 OBS AT 10/1600Z MOV NW
OBS VA DTG: 10/1600Z
OBS VA CLD: SFC/FL140 S0732 E11030 - S0737 E11025 - S0736 E11020 - S0727 E11012 - S0711 E11020 - S0724 E11031 MOV NW 20KT
20KT
FCST VA CLD +6 HR: 10/2200Z NO VA EXP
FCST VA CLD +12 HR: 11/0400Z NO VA EXP
FCST VA CLD +18 HR: 11/1000Z NO VA EXP
RMK: VA DISCERNIBLE ON MULTISPECTRAL SATELLITE IMAGERY. VA
IS EXPECTED TO DISSSIPATE WITHIN 6HRS. VA HEIGHT AND
MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210810/2220Z=
Volcanic Ash Advisory issued on 2021-08-10 at 10:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 39000m extension to nw observation at 10 1000 utc.
  • Volcanic ash discernible on multispectral satellite imagery. Volcanic ash is expected to disssipate 12hrs. Volcanic ash height and movement based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 10:20 UTC, 10/08/21 from ADRM
VA ADVISORY
DTG: 20210810/1020Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/32
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL130 EXTN TO NW OBS AT 10/1000Z
OBS VA DTG: 10/1000Z
OBS VA CLD: SFC/FL140 S0731 E11029 - S0735 E11027 - S0736 E11021 - S0721 E11007 - S0713 E11020 MOV NW 10KT
E11021 - S0721 E11007 - S0713 E11020 MOV NW 10KT
FCST VA CLD +6 HR: 10/1600Z SFC/FL140 S0732 E11030 - S0737 E11025 - S0736 E11020 - S0720 E11003 - S0712 E11016
E11025 - S0736 E11020 - S0720 E11003 - S0712 E11016
FCST VA CLD +12 HR: 10/2200Z NO VA EXP
FCST VA CLD +18 HR: 11/0400Z NO VA EXP
RMK: VA DISCERNIBLE ON MULTISPECTRAL SATELLITE IMAGERY. VA
IS EXPECTED TO DISSSIPATE WITHIN 12HRS. VA HEIGHT AND
MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210810/1620Z=
Volcanic Ash Advisory issued on 2021-08-10 at 04:58 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 30000m at 10/0110z.
  • Current satellite imagery indicates that ash from volcano merapi has now dissipated. No further of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU02 at 04:58 UTC, 10/08/21 from ADRM
VA ADVISORY
DTG: 20210810/0458Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/31
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA LAST OBS TO FL100 AT 10/0110Z.
OBS VA DTG: 10/0430Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL100 150/15KT
FCST VA CLD +6 HR: 10/1030Z NO VA EXP
FCST VA CLD +12 HR: 10/1630Z NO VA EXP
FCST VA CLD +18 HR: 10/2230Z NO VA EXP
RMK: CURRENT SATELLITE IMAGERY INDICATES THAT ASH FROM
VOLCANO MERAPI HAS NOW DISSIPATED. NO FURTHER REPORTS OF NEW
OR ONGOING ERUPTION. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-08-09 at 23:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash emission to flight level 30000m extend wnw observation at 09 2330 utc.
  • Volcanic ash emission observation to flight level 30000m extend wnw on 09 2330 utc visibility and rgb sat img. Volcanic ash height and forecast based on 09 2320 utc himawari-8 sat img and model guidance.

Original Message :

Received FVAU02 at 23:49 UTC, 09/08/21 from ADRM
VA ADVISORY
DTG: 20210809/2350Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/30
INFO SOURCE: HIMAWARI-8, PVMBG
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA EMISSION TO FL100 EXTD WNW OBS AT
09/2330Z
OBS VA DTG: 09/2330Z
OBS VA CLD: SFC/FL100 S0732 E11029 - S0735 E11027 - S0733 E11016 - S0729 E11006 - S0718 E11013 - S0724 E11022 MOV NW 10KT
10KT
FCST VA CLD +6 HR: 10/0530Z SFC/FL100 S0733 E11029 - S0735 E11026 - S0731 E11012 - S0719 E11001 - S0710 E11013
E11026 - S0731 E11012 - S0719 E11001 - S0710 E11013
FCST VA CLD +12 HR: 10/1130Z SFC/FL100 S0733 E11029 - S0735 E11027 - S0725 E10956 - S0708 E11007
E11027 - S0725 E10956 - S0708 E11007
FCST VA CLD +18 HR: 10/1730Z SFC/FL100 S0733 E11029 - S0736 E11027 - S0726 E10956 - S0708 E11007
E11027 - S0726 E10956 - S0708 E11007
RMK: VA EMISSION OBS TO FL100 EXTD WNW ON 09/2330Z VIS AND
RGB SAT IMG. VA HEIGHT AND FCST BASED ON 09/2320Z HIMAWARI-8
SAT IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210810/0550Z=
Volcanic Ash Advisory issued on 2021-08-09 at 08:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 39000m last observation before a break in coverage at a manual station observation move wnw at 06 0300 utc.
  • Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud and is expeced to have dissipated. No other information source indicate an ongoing eruption or presence o ash in the atmosphere. Advisory terminated.

Original Message :

Received FVAU02 at 08:21 UTC, 09/08/21 from ADRM
VA ADVISORY
DTG: 20210809/0820Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/29
INFO SOURCE: HIMAWARI-8, CVGHM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL130 LAST OBS MOV WNW AT 06/0300Z
EST VA DTG: 09/0800Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL130 VRB05KT
FCST VA CLD +6 HR: 09/1400Z NO VA EXP
FCST VA CLD +12 HR: 09/2000Z NO VA EXP
FCST VA CLD +18 HR: 10/0200Z NO VA EXP
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD AND IS EXPECED TO HAVE DISSIPATED. NO OTHER
INFORMATION SOURCE INDICATE AN ONGOING ERUPTION OR PRESENCE
O ASH IN THE ATMOSPHERE. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-08-09 at 02:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 39000m last observation before a break in coverage at a manual station observation move wnw at 06 0300 utc.
  • Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emissions expected. Volcanic ash is expected to dissipate 6hrs. Volcanic ash height and forecast based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU02 at 02:20 UTC, 09/08/21 from ADRM
VA ADVISORY
DTG: 20210809/0220Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/28
INFO SOURCE: HIMAWARI-8, CVGHM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL130 LAST OBS MOV WNW AT 06/0300Z
EST VA DTG: 09/0200Z
EST VA CLD: SFC/FL130 S0731 E11031 - S0738 E11026 - S0735 E11019 - S0728 E11023 - S0728 E11027 MOV SW 05KT
E11019 - S0728 E11023 - S0728 E11027 MOV SW 05KT
FCST VA CLD +6 HR: 09/0800Z NO VA EXP
FCST VA CLD +12 HR: 09/1400Z NO VA EXP
FCST VA CLD +18 HR: 09/2000Z NO VA EXP
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD, HOWEVER LOCALISED VA EMISSIONS EXPECTED. VA IS
EXPECTED TO DISSIPATE WITHIN 6HRS. VA HEIGHT AND FORECAST
BASED ON HIMAWARI-8 IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210809/0820Z=
Volcanic Ash Advisory issued on 2021-08-08 at 20:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Multiple volcanic ash emissions to 130, last observation before a break in coverage at a manual station observation move wnw at 06 0300 utc.
  • Continuous steam emissions with occasional discrete volcanic ash eruptions not currently identifiable on latest sat imagery due to meteorological cloud cover. Height and forecast based on himawari-8 06 0300 utc imagery, 07 2345 utc vona, 08 0136 utc pilot weather report and dispersion modelling.

Original Message :

Received FVAU02 at 20:16 UTC, 08/08/21 from ADRM
VA ADVISORY
DTG: 20210808/2020Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/27
INFO SOURCE: HIMAWARI-8, CVGHM, WEBCAM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: MULTIPLE VA EMISSIONS TO FL130, LAST OBS
MOV WNW AT 06/0300Z
EST VA DTG: 08/1950Z
EST VA CLD: SFC/FL130 S0735 E11027 - S0719 E11004 - S0704 E11013 - S0710 E11032 - S0731 E11031 MOV N 05KT
E11013 - S0710 E11032 - S0731 E11031 MOV N 05KT
FCST VA CLD +6 HR: 09/0150Z SFC/FL130 S0735 E11027 - S0718 E11004 - S0704 E11013 - S0710 E11032 - S0731 E11031
E11004 - S0704 E11013 - S0710 E11032 - S0731 E11031
FCST VA CLD +12 HR: 09/0750Z SFC/FL130 S0735 E11027 - S0718 E11007 - S0704 E11013 - S0709 E11031 - S0731 E11031
E11007 - S0704 E11013 - S0709 E11031 - S0731 E11031
FCST VA CLD +18 HR: 09/1350Z SFC/FL130 S0735 E11027 - S0720 E11007 - S0701 E11014 - S0704 E11027 - S0718 E11033 - S0733 E11032
E11032
RMK: CONTINUOUS STEAM EMISSIONS WITH OCCASIONAL DISCRETE VA
ERUPTIONS NOT CURRENTLY IDENTIFIABLE ON LATEST SAT IMAGERY
DUE TO MET CLOUD COVER. HEIGHT AND FORECAST BASED ON
HIMAWARI-8 06/0300Z IMAGERY, 07/2345Z VONA, 08/0136Z PIREP
AND DISPERSION MODELLING.
NXT ADVISORY: NO LATER THAN 20210809/0220Z=
Volcanic Ash Advisory issued on 2021-08-08 at 13:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Multiple volcanic ash emissions to 130, last observation before a break in coverage at a manual station observation move wnw at 06 0300 utc.
  • Continuous steam emissions with occasional discrete volcanic ash eruptions not currently identifiable on latest sat imagery due to meteorological cloud cover. Height and forecast based on himawari-8 06 0300 utc imagery, 07 2345 utc vona, 08 0136 utc pilot weather report and model guidance.

Original Message :

Received FVAU02 at 13:22 UTC, 08/08/21 from ADRM
VA ADVISORY
DTG: 20210808/1320Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/26
INFO SOURCE: HIMAWARI-8, CVGHM, WEBCAM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: MULTIPLE VA EMISSIONS TO FL130, LAST OBS
MOV WNW AT 06/0300Z
EST VA DTG: 08/1300Z
EST VA CLD: SFC/FL130 S0736 E11028 - S0726 E11008 - S0711 E11005 - S0705 E11015 - S0710 E11028 - S0732 E11031 MOV NW 10KT
10KT
FCST VA CLD +6 HR: 08/1900Z SFC/FL130 S0735 E11027 - S0717 E11007 - S0704 E11013 - S0710 E11032 - S0731 E11031
E11007 - S0704 E11013 - S0710 E11032 - S0731 E11031
FCST VA CLD +12 HR: 09/0100Z SFC/FL130 S0735 E11027 - S0718 E11004 - S0704 E11013 - S0710 E11032 - S0731 E11031
E11004 - S0704 E11013 - S0710 E11032 - S0731 E11031
FCST VA CLD +18 HR: 09/0700Z SFC/FL130 S0735 E11027 - S0718 E11007 - S0704 E11013 - S0709 E11031 - S0731 E11031
E11007 - S0704 E11013 - S0709 E11031 - S0731 E11031
RMK: CONTINUOUS STEAM EMISSIONS WITH OCCASIONAL DISCRETE VA
ERUPTIONS NOT CURRENTLY IDENTIFIABLE ON LATEST SAT IMAGERY
DUE TO MET CLOUD COVER. HEIGHT AND FORECAST BASED ON
HIMAWARI-8 06/0300Z IMAGERY, 07/2345Z VONA, 08/0136Z PIREP
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210808/2020Z=
Volcanic Ash Advisory issued on 2021-08-08 at 07:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Multiple volcanic ash emissions to 130, last observation before a break in coverage at a manual station observation move wnw at 06 0300 utc.
  • Continuous steam emissions with occasional discrete volcanic ash eruptions not currently identifiable on latest sat imagery due to meteorological cloud cover. Height and forecast based on himawari-8 06 0300 utc imagery, 07 2345 utc vona, 08 0136 utc pilot weather report and model guidance.

Original Message :

Received FVAU02 at 07:12 UTC, 08/08/21 from ADRM
VA ADVISORY
DTG: 20210808/0720Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0733 E11027
AREA: INDONESIA
SUMMIT ELEV: 2968M
ADVISORY NR: 2021/25
INFO SOURCE: HIMAWARI-8, CVGHM, WEBCAM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: MULTIPLE VA EMISSIONS TO FL130, LAST OBS
MOV WNW AT 06/0300Z
OBS VA DTG: 08/0700Z
OBS VA CLD: SFC/FL130 S0735 E11029 - S0732 E10947 - S0721 E10943 - S0713 E10954 - S0730 E11030 MOV W 10KT
E10943 - S0713 E10954 - S0730 E11030 MOV W 10KT
FCST VA CLD +6 HR: 08/1300Z SFC/FL130 S0736 E11028 - S0728 E10952 - S0715 E10951 - S0709 E11003 - S0732 E11031
E10952 - S0715 E10951 - S0709 E11003 - S0732 E11031
FCST VA CLD +12 HR: 08/1900Z SFC/FL130 S0735 E11028 - S0728 E10952 - S0715 E10951 - S0710 E11003 - S0731 E11031
E10952 - S0715 E10951 - S0710 E11003 - S0731 E11031
FCST VA CLD +18 HR: 09/0100Z SFC/FL130 S0735 E11028 - S0728 E10952 - S0715 E10951 - S0709 E11003 - S0732 E11030
E10952 - S0715 E10951 - S0709 E11003 - S0732 E11030
RMK: CONTINUOUS STEAM EMISSIONS WITH OCCASIONAL DISCRETE VA
ERUPTIONS NOT CURRENTLY IDENTIFIABLE ON LATEST SAT IMAGERY
DUE TO MET CLOUD COVER. HEIGHT AND FORECAST BASED ON
HIMAWARI-8 06/0300Z IMAGERY, 07/2345Z VONA, 08/0136Z PIREP
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210808/1320Z=