Overall Red alert Volcanic eruption for Hunga Tonga-Hunga Ha apai
in Tonga

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 2022-01-22 at 23:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level volcanic ash to 420/630 last observation before a break in coverage at a manual station observation at 22 0850 utc.
  • Volcanic ash signal is not discernible on multispectral satellite imagery due to ash layer depleting over the past few days. No other information source indicate presence of ash in the atmosphere. Advisory terminated.

Original Message :

Received FVAU01 at 23:39 UTC, 22/01/22 from ADRM
VA ADVISORY
DTG: 20220122/2340Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HAAPI243040
PSNN:: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/32
IF SOURCE: HIMAWARI-8
AVIATION CCOLOUR CODE: GREEN
ERUPTION DETAILS: HIGH LEVEL VA TO FL420/630 LAST OBS AT
22/0850Z
OBS VA DTG: 22/2320Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
FL420/630 090/45KT
FCST VA CLD +6 HR: 23/0520Z NO VA EXP
FCST VA CLD +12 HR: 23/1120Z NO VA EXP
FCST VA CLD +18 HR: 23/1720Z NO VA EXP
RMK: VA SIGNAL IS NOT DISCERNIBLE ON MULTISPECTRAL SATELLITE
IMAGERY DUE TO ASH LAYER DEPLETING OVER THE PAST FEW DAYS.
NO OTHER INFORMATION SOURCE INDICATE PRESENCE OF ASH IN THE
ATMOSPHERE. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=22
Volcanic Ash Advisory issued on 2022-01-22 at 17:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc high level volcanic ash cloud 420/630.
  • Volcanic ash cloud limited to the volcanic ash advisory center area and dissipating. Volcanic ash advisory center toulouse is only affected by dissipating so2 cloud. All volcanic ash advisory center products are available at [lower case] : http://www. Bom. Gov. A u/aviation/volcanic-ash/darwin-va-advisory. Shtml.

Original Message :

Received FVXX01 at 17:55 UTC, 22/01/22 from LFPW
VA ADVISORY
DTG: 20220122/1755Z
VAAC: TOULOUSE
VOLCANO: HUNGA TONGA-HUNGA HAAPAI 243040
PSN: S2032 W17522
AREA: TONGA ISLANDS
SUMMIT ELEV: 114M
ADVISORY NR: 2022/14
INFO SOURCE: VAAC DARWIN, SAT IMAGERY
AVIATION COLOUR CODE: GREEN
ERUPTION DETAILS:ERUPTION AT 20220115/0400Z HIGH LEVEL VA CLOUD
FL420/630.
OBS VA DTG: 22/1800Z
OBS VA CLD: PLEASE REFER TO THE LAST VAA ISSUED BY VAAC DARWIN
FCST VA CLD +6 HR: 23/0000Z NOT PROVIDED
FCST VA CLD +12 HR: 23/0600Z NOT PROVIDED
FCST VA CLD +18 HR: 23/1200Z NOT PROVIDED
RMK: VA CLOUD LIMITED TO THE DARWIN VAAC AREA AND DISSIPATING. VAAC
TOULOUSE IS ONLY AFFECTED BY DISSIPATING SO2 CLOUD. ALL VAAC DARWIN
PRODUCTS ARE AVAILABLE AT [LOWER CASE] : HTTP://WWW.BOM.GOV.A
U/AVIATION/VOLCANIC-ASH/DARWIN-VA-ADVISORY.SHTML
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2022-01-22 at 17:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level volcanic ash to 420/630 observation move w.
  • Weak volcanic ash signal discernible on rgb sat imagry. Volcanic ash expected to become indiscernible by t+6hrs. Volcanic ash height and forecast based on himawari-8 imagery and model guidance. So2 continues to be detected in the vicinity of the observation area.

Original Message :

Received FVAU01 at 17:38 UTC, 22/01/22 from ADRM
VA ADVISORY
DTG: 20220122/1740Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HAAPI243040
PSNN:: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/31
IF SOURCE: HIMAWARI-8
AVIATION CCOLOUR CODE: GREEN
ERUPTION DETAILS: HIGH LEVEL VA TO FL420/630 OBS MOV W
OBS VA DTG: 22/1720Z
OBS VA CLD: FL420/630 S3023 E08018 - S3000 E07457 - S2055 E07501 - S2143 E08037 MOV W 45KT
E07501 - S2143 E08037 MOV W 45KT
FCST VA CLD +6 HR: 22/2320Z NO VA EXP
FCST VA CLD +12 HR: 23/0520Z NO VA EXP
FCST VA CLD +18 HR: 23/1120Z NO VA EXP
RMK: WEAK VA SIGNAL DISCERNIBLE ON RGB SAT IMAGRY. VA
EXPECTED TO BECOME INDISCERNIBLE BY T+6HRS. VA HEIGHT AND
FCST BASED ON HIMAWARI-8 IMAGERY AND MODEL GUIDANCE. SO2
CONTINUES TO BE DETECTED IN THE VICINITY OF THE OBS AREA.
NXT ADVISORY: NO LATER THAN 20220122/2340Z=RI
Volcanic Ash Advisory issued on 2022-01-22 at 12:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc high level volcanic ash cloud 420/630.
  • Volcanic ash cloud limited to the volcanic ash advisory center area. Volcanic ash advisory center toulouse is only affected by dissipating so2 cloud. All volcanic ash advisory center products are available at [lower case] http://www. Bom. Gov. Au/aviation/volcanic- ash/darwin-va-advisory. Shtml.

Original Message :

Received FVXX01 at 12:00 UTC, 22/01/22 from LFPW
VA ADVISORY
DTG: 20220122/1200Z
VAAC: TOULOUSE
VOLCANO: HUNGA TONGA-HUNGA HAAPAI 243040
PSN: S2032 W17522
AREA: TONGA ISLANDS
SUMMIT ELEV: 114M
ADVISORY NR: 2022/13
INFO SOURCE: VAAC DARWIN, SAT IMAGERY
AVIATION COLOUR CODE: GREEN
ERUPTION DETAILS:ERUPTION AT 20220115/0400Z HIGH LEVEL VA CLOUD
FL420/630
OBS VA DTG: 22/1200Z
OBS VA CLD: PLEASE REFER TO THE LAST VAA ISSUED BY VAAC DARWIN
FCST VA CLD +6 HR: 22/1800Z NOT PROVIDED
FCST VA CLD +12 HR: 23/0000Z NOT PROVIDED
FCST VA CLD +18 HR: 23/0600Z NOT PROVIDED
RMK: VA CLOUD LIMITED TO THE DARWIN VAAC AREA. VAAC TOULOUSE IS ONLY
AFFECTED BY DISSIPATING SO2 CLOUD. ALL VAAC DARWIN PRODUCTS ARE
AVAILABLE AT [LOWER CASE] HTTP://WWW.BOM.GOV.AU/AVIATION/VOLCANIC-
ASH/DARWIN-VA-ADVISORY.SHTML
NXT ADVISORY: NO LATER THAN 20220122/1800Z=
Volcanic Ash Advisory issued on 2022-01-22 at 11:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level volcanic ash to 420/630 observation move w.
  • Weak volcanic ash signal discernible on rgb sat imagry. Volcanic ash expected to become indiscernible by t+12hrs. Volcanic ash height and forecast based on himawari-8 imagery and model guidance. So2 continues to be detected in the vicinity of the observation area.

Original Message :

Received FVAU01 at 11:38 UTC, 22/01/22 from ADRM
VA ADVISORY
DTG: 20220122/1140Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HAAPI243040
PSNN:: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/30
IF SOURCE: HIMAWARI-8
AVIATION CCOLOUR CODE: GREEN
ERUPTION DETAILS: HIGH LEVEL VA TO FL420/630 OBS MOV W
OBS VA DTG: 22/1120Z
OBS VA CLD: FL420/630 S3003 E08034 - S2858 E07500 - S2551 E06956 - S1742 E06944 - S2336 E08150 MOV W 45KT
E06956 - S1742 E06944 - S2336 E08150 MOV W 45KT
FCST VA CLD +6 HR: 22/1720Z FL420/630 S2951 E07935 - S2847 E07454 - S2533 E06944 - S1737 E06943 - S2325 E08046
E07454 - S2533 E06944 - S1737 E06943 - S2325 E08046
FCST VA CLD +12 HR: 22/2320Z NO VA EXP
FCST VA CLD +18 HR: 23/0520Z NO VA EXP
RMK: WEAK VA SIGNAL DISCERNIBLE ON RGB SAT IMAGRY. VA
EXPECTED TO BECOME INDISCERNIBLE BY T+12HRS. VA HEIGHT AND
FCST BASED ON HIMAWARI-8 IMAGERY AND MODEL GUIDANCE. SO2
CONTINUES TO BE DETECTED IN THE VICINITY OF THE OBS AREA.
NXT ADVISORY: NO LATER THAN 20220122/1740Z=20
Volcanic Ash Advisory issued on 2022-01-22 at 05:58 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc high level volcanic ash cloud 420/630.
  • Volcanic ash cloud limited to the volcanic ash advisory center area. Volcanic ash advisory center toulouse is only affected by dissipating so2 cloud. All volcanic ash advisory center products are available at [lower case] http://www. Bom. Gov. Au/aviation/volcanic- ash/darwin-va-advisory. Shtml.

Original Message :

Received FVXX01 at 05:59 UTC, 22/01/22 from LFPW
VA ADVISORY
DTG: 20220122/0558Z
VAAC: TOULOUSE
VOLCANO: HUNGA TONGA-HUNGA HAAPAI 243040
PSN: S2032 W17522
AREA: TONGA ISLANDS
SUMMIT ELEV: 114M
ADVISORY NR: 2022/12
INFO SOURCE: VAAC DARWIN, SAT IMAGERY
AVIATION COLOUR CODE: GREEN
ERUPTION DETAILS:ERUPTION AT 20220115/0400Z HIGH LEVEL VA CLOUD
FL420/630
OBS VA DTG: 22/0600Z
OBS VA CLD: PLEASE REFER TO THE LAST VAA ISSUED BY VAAC DARWIN
FCST VA CLD +6 HR: 22/1200Z NOT PROVIDED
FCST VA CLD +12 HR: 22/1800Z NOT PROVIDED
FCST VA CLD +18 HR: 23/0000Z NOT PROVIDED
RMK: VA CLOUD LIMITED TO THE DARWIN VAAC AREA. VAAC TOULOUSE IS
ONLY AFFECTED BY DISSIPATING SO2 CLOUD. ALL VAAC DARWIN PRODUCTS ARE
AVAILABLE AT [LOWER CASE] HTTP://WWW.BOM.GOV.AU/AVIATION/VOLCANIC-
ASH/DARWIN-VA-ADVISORY.SHTML
NXT ADVISORY: NO LATER THAN 20220122/1200Z=
Volcanic Ash Advisory issued on 2022-01-22 at 05:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level volcanic ash observation to 420/630 observation move w.
  • Volcanic ash discernible on mutispectral satellite imagery. Satellite analysis indicate that volcanic ash has streched meridionally and the ash optical depth has been decreasing as such volcanic ash signature is expected to fall below the discernible level t+18hrs. Volcanic ash height and forecast based on himawari-8 imagery and model guidance.

Original Message :

Received FVAU01 at 05:39 UTC, 22/01/22 from ADRM
VA ADVISORY
DTG: 20220122/0540Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HAAPI243040
PSNN:: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/29
IF SOURCE: HIMAWARI-8
AVIATION CCOLOUR CODE: GREEN
ERUPTION DETAILS: HIGH LEVEL VA OBS TO FL420/630 OBS MOV W
OBS VA DTG: 22/0520Z
OBS VA CLD: FL420/630 S2515 E08517 - S3009 E08204 - S2807 E07501 - S2424 E06941 - S1703 E06941 - S2149 E08007 MOV W 45KT
45KT
FCST VA CLD +6 HR: 22/1120Z FL420/630 S2941 E08056 - S2901 E07501 - S2550 E06941 - S1714 E06946 - S2349 E08254
E07501 - S2550 E06941 - S1714 E06946 - S2349 E08254
FCST VA CLD +12 HR: 22/1720Z FL420/630 S3001 E08202 - S2830 E07453 - S2452 E06938 - S1737 E06943 - S2339 E08249
E07453 - S2452 E06938 - S1737 E06943 - S2339 E08249
FCST VA CLD +18 HR: 22/2320Z NO VA EXP
RMK: VA DISCERNIBLE ON MUTISPECTRAL SATELLITE IMAGERY.
SATELLITE ANALYSIS INDICATE THAT VA HAS STRECHED
MERIDIONALLY AND THE ASH OPTICAL DEPTH HAS BEEN DECREASING
AS SUCH VA SIGNATURE IS EXPECTED TO FALL BELOW THE
DISCERNIBLE LEVEL T+18HRS. VA HEIGHT AND FCST BASED ON
HIMAWARI-8 IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20220122/1140Z=01
Volcanic Ash Advisory issued on 2022-01-22 at 00:13 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc high level volcanic ash cloud 420/630.
  • Volcanic ash cloud now limited to the volcanic ash advisory center area. Volcanic ash advisory center toulouse is only concerned by so2 cloud which is beginning to dissipate. All volcanic ash advisory center products are available at [lower case] http://www. Bom. Gov. A u/aviation/volcanic-ash/darwin-va-advisory. Shtml.

Original Message :

Received FVXX01 at 00:13 UTC, 22/01/22 from LFPW
VA ADVISORY
DTG: 20220122/0013Z
VAAC: TOULOUSE
VOLCANO: HUNGA TONGA-HUNGA HAAPAI 243040
PSN: S2032 W17522
AREA: TONGA ISLANDS
SUMMIT ELEV: 114M
ADVISORY NR: 2022/11
INFO SOURCE: VAAC DARWIN, SAT IMAGERY
AVIATION COLOUR CODE: GREEN
ERUPTION DETAILS:ERUPTION AT 20220115/0400Z HIGH LEVEL VA CLOUD
FL420/630
OBS VA DTG: 21/0015Z
OBS VA CLD: PLEASE REFER TO THE LAST VAA ISSUED BY VAAC DARWIN
FCST VA CLD +6 HR: 21/0615Z NOT PROVIDED
FCST VA CLD +12 HR: 21/1215Z NOT PROVIDED
FCST VA CLD +18 HR: 21/1815Z NOT PROVIDED
RMK: VA CLOUD NOW LIMITED TO THE DARWIN VAAC AREA. VAAC TOULOUSE IS
ONLY CONCERNED BY SO2 CLOUD WHICH IS BEGINNING TO DISSIPATE. ALL VAAC
DARWIN PRODUCTS ARE AVAILABLE AT [LOWER CASE] HTTP://WWW.BOM.GOV.A
U/AVIATION/VOLCANIC-ASH/DARWIN-VA-ADVISORY.SHTML
NXT ADVISORY: NO LATER THAN 20220122/0615Z=
Volcanic Ash Advisory issued on 2022-01-22 at 00:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level volcanic ash observation to 420/630 observation move w.
  • Volcanic ash identifiable on mutispectral satellite imagery. Satellite analysis indicates that volcanic ash has streched out meridionally and as a result the ash signature is expeced to fall below the discernible level t+18hrs. Volcanic ash height and forecast based on observation movement on sat imagery and model winds.

Original Message :

Received FVAU01 at 00:01 UTC, 22/01/22 from ADRM
VA ADVISORY
DTG: 20220122/0000Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HAAPI243040
PSNN:: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/28
IF SOURCE: HIMAWARI-8
AVIATION CCOLOUR CODE: GREEN
ERUPTION DETAILS: HIGH LEVEL VA OBS TO FL420/630 OBS MOV W
OBS VA DTG: 21/2340Z
OBS VA CLD: FL420/630 S2941 E08619 - S2358 E06930 - S1309 E06947 - S2244 E08730 MOV W 45KT
E06947 - S2244 E08730 MOV W 45KT
FCST VA CLD +6 HR: 22/0540Z FL420/630 S3057 E08323 - S2424 E06941 - S1320 E06941 - S2209 E08556
E06941 - S1320 E06941 - S2209 E08556
FCST VA CLD +12 HR: 22/1140Z FL420/630 S2941 E08056 - S2550 E06941 - S1224 E06951 - S2023 E08300
E06941 - S1224 E06951 - S2023 E08300
FCST VA CLD +18 HR: 22/1740Z NO VA EXP
RMK: VA IDENTIFIABLE ON MUTISPECTRAL SATELLITE IMAGERY.
SATELLITE ANALYSIS INDICATES THAT VA HAS STRECHED OUT
MERIDIONALLY AND AS A RESULT THE ASH SIGNATURE IS EXPECED TO
FALL BELOW THE DISCERNIBLE LEVEL T+18HRS. VA HEIGHT AND FCST
BASED ON OBS MOVEMENT ON SAT IMAGERY AND MODEL WINDS.
NXT ADVISORY: NO LATER THAN 20220122/0540Z=ED
Volcanic Ash Advisory issued on 2022-01-21 at 18:08 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc high level volcanic ash cloud 420/630.
  • Volcanic ash cloud now limited to the volcanic ash advisory center area. Volcanic ash advisory center toulouse is only concerned by so2 cloud which is beginning to dissipate. All volcanic ash advisory center products are available at [lower case] http://www. Bom. Gov. A u/aviation/volcanic-ash/darwin-va-advisory. Shtml.

Original Message :

Received FVXX01 at 18:09 UTC, 21/01/22 from LFPW
VA ADVISORY
DTG: 20220121/1808Z
VAAC: TOULOUSE
VOLCANO: HUNGA TONGA-HUNGA HAAPAI 243040
PSN: S2032 W17522
AREA: TONGA ISLANDS
SUMMIT ELEV: 114M
ADVISORY NR: 2022/10
INFO SOURCE: VAAC DARWIN, SAT IMAGERY
AVIATION COLOUR CODE: GREEN
ERUPTION DETAILS:ERUPTION AT 20220115/0400Z HIGH LEVEL VA CLOUD
FL420/630
OBS VA DTG: 21/1815Z
OBS VA CLD: PLEASE REFER TO THE LAST VAA ISSUED BY VAAC DARWIN
FCST VA CLD +6 HR: 22/0015Z NOT PROVIDED
FCST VA CLD +12 HR: 22/0615Z NOT PROVIDED
FCST VA CLD +18 HR: 22/1215Z NOT PROVIDED
RMK: VA CLOUD NOW LIMITED TO THE DARWIN VAAC AREA. VAAC TOULOUSE IS
ONLY CONCERNED BY SO2 CLOUD WHICH IS BEGINNING TO DISSIPATE. ALL VAAC
DARWIN PRODUCTS ARE AVAILABLE AT [LOWER CASE] HTTP://WWW.BOM.GOV.A
U/AVIATION/VOLCANIC-ASH/DARWIN-VA-ADVISORY.SHTML
NXT ADVISORY: NO LATER THAN 20220122/0030Z=
Volcanic Ash Advisory issued on 2022-01-21 at 18:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level volcanic ash 420/630 observation move w at 21 1740 utc.
  • Volcanic ash identifiable move west on sat imagery; however weak volcanic ash signal distinguishing volcanic ash difficult. Volcanic ash height and forecast based on observation movement on sat imagery and model winds. Strong so2 signal observation the observation polygon.

Original Message :

Received FVAU01 at 17:59 UTC, 21/01/22 from ADRM
VA ADVISORY
DTG: 20220121/1800Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HAAPI243040
PSNN:: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/27
IF SOURCE: HIMAWARI-8
AVIATION CCOLOUR CODE: GREEN
ERUPTION DETAILS: HIGH LEVEL VA FL420/630 OBS MOV W AT
21/1740Z
OBS VA DTG: 21/1740Z
OBS VA CLD: FL420/630 S2336 E09237 - S3054 E08634 - S2211 E06935 - S1131 E06941 MOV W 40KT
E06935 - S1131 E06941 MOV W 40KT
FCST VA CLD +6 HR: 21/2340Z FL420/630 S2144 E08826 - S3032 E08256 - S2358 E06930 - S1136 E06925
E08256 - S2358 E06930 - S1136 E06925
FCST VA CLD +12 HR: 22/0540Z FL420/630 S3016 E07954 - S2507 E06951 - S1158 E06946 - S1926 E08509
E06951 - S1158 E06946 - S1926 E08509
FCST VA CLD +18 HR: 22/1140Z FL420/630 S2950 E07637 - S2550 E06941 - S1224 E06951 - S1811 E08136
E06941 - S1224 E06951 - S1811 E08136
RMK: VA IDENTIFIABLE MOV WEST ON SAT IMAGERY; HOWEVER WEAK
VA SIGNAL MAKES DISTINGUISHING VA DIFFICULT. VA HEIGHT AND
FCST BASED ON OBS MOVEMENT ON SAT IMAGERY AND MODEL WINDS.
STRONG SO2 SIGNAL OBS WITHIN THE OBSERVATION POLYGON.
NXT ADVISORY: NO LATER THAN 20220122/0000Z=WA
Volcanic Ash Advisory issued on 2022-01-21 at 12:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level volcanic ash 420/630 observation move w at 21/1140z.
  • Volcanic ash identifiable move west on sat imagery; however weak volcanic ash signal distinguishing volcanic ash difficult. Volcanic ash height and forecast based on observation movement on sat imagery and model winds. Strong so2 signal observation the observation polygon.

Original Message :

Received FXXX1 at 12:00 UTC, 21/01/22 from ADRM
VA ADVISORY
DTG: 20220121/1200Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA´APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/26
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: GREEN
ERUPTION DETAILS: HIGH LEVEL VA FL420/630 OBS MOV W AT 21/1140Z.
OBS VA DTG: 21/1140Z OBS VA CLD: FL420/630 S2443 E09718 - S2950 E09234 - S2446 E08115 - S1804 E06325 - S1037 E06734 - S1749 E08808 MOV W 30KT
FCST VA CLD +6 HR: 21/1740Z FL420/630 S2307 E09650 - S2952 E08941 - S1833 E06021 - S0855 E06607
FCST VA CLD +12 HR: 21/2340Z FL420/630 S2230 E09456 - S3019 E08734 - S1857 E05815 - S0815 E06422
FCST VA CLD +18 HR: 22/0540Z FL420/630 S2135 E09338 - S3013 E08512 - S1851 E05559 - S0744 E06259
RMK: VA IDENTIFIABLE MOV WEST ON SAT IMAGERY;
HOWEVER WEAK VA SIGNAL MAKES DISTINGUISHING VA DIFFICULT.
VA HEIGHT AND FCST BASED ON OBS MOVEMENT ON SAT IMAGERY AND MODEL WINDS.
STRONG SO2 SIGNAL OBS WITHIN THE OBSERVATION POLYGON.
NXT ADVISORY: NO LATER THAN 20220121/1800Z=
Volcanic Ash Advisory issued on 2022-01-19 at 00:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level volcanic ash 420/630 observation move w at 19/0000z.
  • Volcanic ash partially identifiable move west on sat imagery; however, weak volcanic ash signal and meteorological cloud in area make distinguishing volcanic ash difficult. Volcanic ash height and forecast based on pireps, observation volcanic ash movement on himawari-8 sat imagery and model winds.

Original Message :

Received FVXX01 at 00:15 UTC, 19/01/22 from LFPW
VA ADVISORY
DTG: 20220119/0015Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA´APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/16
INFO SOURCE: HIMAWARI-8, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: HIGH LEVEL VA FL420/630 OBS MOV W AT 19/0000Z.
EST VA DTG: 19/0000Z EST VA CLD: FL420/630 S2002 E13715 - S2837 E13204 - S2912 E11414 - S2228 E09643 - S1008 E08847 - S0207 E09656 - S0930 E12547 MOV W 50KT
FCST VA CLD +6 HR: 19/0600Z FL420/630 S1946 E13109 - S2933 E12609 - S2904 E11112 - S3618 E10714 - S3634 E09424 - S0842 E08342 - S0018 E09405 - S1031 E12117
FCST VA CLD +12 HR: 19/1200Z FL420/630 S1933 E12339 - S2831 E12014 - S2857 E11137 - S3914 E10654 - S3941 E09237 - S0937 E07808 - N0014 E09129 - S1027 E11752
FCST VA CLD +18 HR: 19/1800Z FL420/630 S1931 E11945 - S2901 E11713 - S2925 E11051 - S3934 E10543 - S3934 E08655 - S0929 E07152 - N0440 E08639 - S0815 E11522
RMK: VA PARTIALLY IDENTIFIABLE MOV WEST ON RGB/VIS SAT IMAGERY;
HOWEVER, WEAK VA SIGNAL AND MET CLOUD IN AREA MAKE DISTINGUISHING VA DIFFICULT.
VA HEIGHT AND FCST BASED ON PIREPS, OBS VA MOVEMENT ON HIMAWARI-8 SAT IMAGERY AND MODEL WINDS.
NXT ADVISORY: NO LATER THAN 20220119/0615Z=
Volcanic Ash Advisory issued on 2022-01-18 at 18:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level volcanic ash 420/630 observation move w at 18/1800z.
  • Volcanic ash partially identifiable move west on rgb sat imagery; however, weak volcanic ash signal and meteorological cloud in area make distinguishing volcanic ash difficult. Volcanic ash height and forecast based on pireps, observation volcanic ash movement on himawari-8 sat imagery and model winds.

Original Message :

Received FVXX01 at 18:15 UTC, 18/01/22 from LFPW
VA ADVISORY
DTG: 20220118/1815Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA´APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/15
INFO SOURCE: HIMAWARI-8, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: HIGH LEVEL VA FL420/630 OBS MOV W AT 18/1800Z.
EST VA DTG: 18/1800Z EST VA CLD: FL420/630 S1833 E13550 - S2834 E13211 - S2923 E11444 - S2305 E10307 - S1047 E09452 - S0513 E10218 - S1033 E12858 MOV W 50KT
FCST VA CLD +6 HR: 19/0000Z FL420/630 S1829 E13049 - S2833 E12716 - S2905 E11028 - S3418 E10726 - S3359 E09652 - S1008 E08847 - S0207 E09656 - S0930 E12547
FCST VA CLD +12 HR: 19/0600Z FL420/630 S1903 E12737 - S2820 E12429 - S2904 E11112 - S3618 E10714 - S3634 E09424 - S0842 E08342 - S0018 E09405 - S1031 E12117
FCST VA CLD +18 HR: 19/1200Z FL420/630 S1933 E12339 - S2831 E12014 - S2857 E11137 - S3914 E10654 - S3941 E09237 - S0744 E07959 - N0014 E09129 - S1027 E11752
RMK: VA PARTIALLY IDENTIFIABLE MOV WEST ON RGB SAT IMAGERY;
HOWEVER, WEAK VA SIGNAL AND MET CLOUD IN AREA MAKE DISTINGUISHING VA DIFFICULT.
VA HEIGHT AND FCST BASED ON PIREPS, OBS VA MOVEMENT ON HIMAWARI-8 SAT IMAGERY AND MODEL WINDS.
NXT ADVISORY: NO LATER THAN 20220119/0015Z=
Volcanic Ash Advisory issued on 2022-01-18 at 12:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • 420/630 volcanic ash observation move w at 18/1200z.
  • Volcanic ash partially identifiable move west on rgb sat imagery; however, weak volcanic ash signal and meteorological cloud in area make distinguishing volcanic ash difficult. Volcanic ash height and forecast based on pireps, observation volcanic ash movement and model winds. Base adjusted due to recent pilot weather report.

Original Message :

Received FVAU01 at 12:15 UTC, 18/01/22 from ADRM
VA ADVISORY
DTG: 20220118/1215Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HAAPI 243040
PSN:: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/36
INFO SOURCE: HIMAWARI-8, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: FL420/630 VA OBS MOV W AT 18/1200Z.
EST VA DTG: 18/1200Z EST VA CLD: FL420/630 S2549 E14348 - S2852 E13633 - S2951 E11353 - S2729 E10609 - S1435 E10241 - S0854 E10801 - S0938 E13646 - S1609 E14408 MOV W 50KT
FCST VA CLD +6 HR: 18/1800Z FL420/630 S1737 E13753 - S2816 E13521 - S2959 E11052 - S3446 E10831 - S3616 E10057 - S1722 E09402 - S0704 E10040 - S0930 E13233
FCST VA CLD +12 HR: 19/0000Z FL420/630 S1855 E13231 - S2812 E13034 - S2906 E11006 - S3922 E10823 - S4053 E09822 - S1816 E08748 - S0531 E09437 - S1003 E12602
FCST VA CLD +18 HR: 19/0600Z FL420/630 S1903 E12737 - S2843 E12505 - S2921 E11058 - S4123 E10757 - S4438 E09516 - S1852 E08157 - S0406 E08935 - S1020 E12138
RMK: VA PARTIALLY IDENTIFIABLE MOV WEST ON RGB SAT IMAGERY;
HOWEVER, WEAK VA SIGNAL AND MET CLOUD IN AREA MAKE DISTINGUISHING VA DIFFICULT.
VA HEIGHT AND FCST BASED ON PIREPS, OBS VA MOVEMENT AND MODEL WINDS.
BASE ADJUSTED DUE TO RECENT PIREP.
NXT ADVISORY: NO LATER THAN 20220118/1815Z=
Volcanic Ash Advisory issued on 2022-01-18 at 06:25 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • 450/630 volcanic ash observation move w at 18/0550z.
  • Volcanic ash observation moving west on visibility and rgb sat imagery; however, weak volcanic ash signal and meteorological cloud in area make distinguishing volcanic ash difficult. Volcanic ash height and forecast based on pireps, observation volcanic ash movement on sat imagery and model winds. So2 signal continues to be observed. Next advisory: no later than 20220118/1225z=.

Original Message :

Received FVAU01 at 06:23 UTC, 18/01/22 from ADRM
VA ADVISORY
DTG: 20220118/0625Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HAAPI 243040
PSNN:: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/35 IF
SOURCE: HIMAWARI-8
AVIATION CCOLOUR CODE: ORANGE
ERUPTION DETAILS: FL450/630 VA OBS MOV W AT 18/0550Z.
OBS VA DTG: 18/0550Z OBS VA CLD: FL450/630 S1515 E14824 - S2830 E14650 - S2543 E13529 - S2804 E12946 - S2516 E12043 - S1747 E10701 - S1003 E11036 - S0946 E13056 - S1123 E14214 MOV W 50KT
FCST VA CLD +6 HR: 18/1150Z FL450/630 S2735 E14341 - S2811 E11414 - S2939 E10913 - S1822 E09827 - S0955 E10252 - S0936 E12411 - S1035 E13715 - S1609 E14408
FCST VA CLD +12 HR: 18/1750Z FL450/630 S1754 E13911 - S2755 E13726 - S2910 E11002 - S3303 E10627 - S2030 E09104 - S0945 E09556 - S0928 E12439 - S1023 E13228
FCST VA CLD +18 HR: 18/2350Z FL450/630 S2749 E13224 - S2906 E11006 - S3601 E10518 - S2115 E08404 - S0936 E08905 - S0958 E12737 - S1817 E13308
RMK: VA OBS MOVING WEST ON VIS AND RGB SAT IMAGERY; HOWEVER, WEAK VA SIGNAL AND MET CLOUD IN AREA MAKE DISTINGUISHING VA DIFFICULT. VA HEIGHT AND FCST BASED ON PIREPS, OBS VA MOVEMENT ON SAT IMAGERY AND MODEL WINDS. SO2 SIGNAL CONTINUES TO BE OBSERVED. NXT ADVISORY: NO LATER THAN 20220118/1225Z=
Volcanic Ash Advisory issued on 2022-01-18 at 00:25 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • 450/630 volcanic ash observation move w at 17/2350z. Observation volcanic ash dtg: 17 2350 utc.
  • Volcanic ash observation moving w on visibility and rgb sat img; however, meteorological cloud in area distinguishing volcanic ash difficult. Volcanic ash height and forecast based on pireps, observation volcanic ash movement on sat imagery and model winds. So2 signal continues to be observed. Vaa re-issued for typo in dtg. Next advisory: no later than 20220118/0625z=.

Original Message :

Received FVAU01 at 00:34 UTC, 18/01/22 from ADRM
VA ADVISORY
DTG: 20220118/0025Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HAAPI 243040
PSNN:: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/34 IF
SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: FL450/630 VA OBS MOV W AT 17/2350Z. OBS VA DTG: 17/2350Z
OBS VA CLD: FL450/630 S2535 E15108 - S2721 E14154 - S2404 E13817 - S2816 E13500 - S2709 E12505 - S1758 E11558 - S1223 E11459 - S0924 E12443 - S1300 E14949 MOV W 50KT
FCST VA CLD +6 HR: 18/0550Z FL450/630 S2719 E14714 - S2850 E12938 - S2826 E11654 - S1824 E10624 - S1003 E11036 - S0940 E12843 - S1134 E14151 - S1554 E14615
FCST VA CLD +12 HR: 18/1150Z FL450/630 S2735 E14341 - S2742 E12556 - S3128 E10917 - S1951 E09847 - S0959 E10346 - S0936 E12411 - S1035 E13715 - S1812 E14306
FCST VA CLD +18 HR: 18/1750Z FL450/630 S2755 E13726 - S2815 E12114 - S3306 E10105 - S2232 E09050 - S0956 E09701 - S0928 E12439 - S1023 E13228 - S1800 E13810
RMK: VA OBS MOVING W ON VIS AND RGB SAT IMG; HOWEVER, MET CLOUD IN AREA MAKES DISTINGUISHING VA DIFFICULT. VA HEIGHT AND FCST BASED ON PIREPS, OBS VA MOVEMENT ON SAT IMAGERY AND MODEL WINDS. SO2 SIGNAL CONTINUES TO BE OBSERVED. VAA RE-ISSUED FOR TYPO IN DTG. NXT ADVISORY: NO LATER THAN 20220118/0625Z=
Volcanic Ash Advisory issued on 2022-01-17 at 13:01 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • None.
  • Volcanic ash cloud is in volcanic ash advisory center area of responsibility. Please see vaa fvau01 adrm issued by volcanic ash advisory center darwin. No further advisories will be issued by volcanic ash advisory center wellington a new eruption occurs.

Original Message :

Received FVPS01 at 13:01 UTC, 17/01/22 from NZKL
VA ADVISORY
DTG: 20220117/1301Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/33
INFO SOURCE: VAAC DARWIN
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: NIL
OBS VA DTG: 17/1301Z
OBS VA CLD:
FCST VA CLD +6 HR: 17/1901Z NOT PROVIDED
FCST VA CLD +12 HR: 18/0101Z NOT PROVIDED
FCST VA CLD +18 HR: 18/0701Z NOT PROVIDED
RMK: VA CLOUD IS IN VAAC DARWIN AREA OF RESPONSIBILITY.
PLEASE SEE VAA FVAU01 ADRM ISSUED BY VAAC DARWIN. NO FURTHER
ADVISORIES WILL BE ISSUED BY VAAC WELLINGTON UNLESS A NEW
ERUPTION OCCURS.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2022-01-17 at 07:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • 420/630 volcanic ash observation moving west at 17/0620z.
  • Volcanic ash observation moving west on latest visibility sat imagery; however, meteorological cloud in area distinguishing volcanic ash difficult. Height and forecast based on pireps, observation volcanic ash movement on sat img and model guidance. Strong so2 signal continues to be observed.

Original Message :

Received FVXX01 at 07:00 UTC, 17/01/22 from LFPW
VA ADVISORY
DTG: 20220117/0700Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/9
INFO SOURCE: HIMAWARI-8, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: FL420/630 VA OBS MOVING WEST AT 17/0620Z.
OBS VA DTG: 17/0620Z OBS VA CLD: FL420/630 S2001 E16249 - S2527 E16215 - S2644 E15614 - S2726 E14137 - S2221 E13617 - S1722 E13355 - S1140 E13747 - S1117 E14705 - S1534 E15721 MOV W 50KT
FCST VA CLD +6 HR: 17/1220Z FL420/630 S2017 E16018 - S2631 E15834 - S2812 E14158 - S2617 E13119 - S1704 E12717 - S1001 E13032 - S0945 E14539 - S1405 E15626
FCST VA CLD +12 HR: 17/1820Z FL420/630 S2023 E15715 - S2733 E15218 - S2749 E13819 - S2622 E12414 - S1612 E11943 - S0928 E12341 - S0944 E14313 - S1322 E15231
FCST VA CLD +18 HR: 18/0020Z FL420/630 S1934 E15324 - S2749 E14830 - S2746 E13421 - S2652 E11713 - S1536 E11216 - S0848 E11759 - S0940 E14211 - S1306 E14935
RMK: VA OBS MOVING WEST ON LATEST VIS SAT IMAGERY; HOWEVER,
MET CLOUD IN AREA MAKES DISTINGUISHING VA DIFFICULT. HEIGHT
AND FORECAST BASED ON PIREPS, OBS VA MOVEMENT ON SAT IMG AND
MODEL GUIDANCE. STRONG SO2 SIGNAL CONTINUES TO BE OBSERVED.
NXT ADVISORY: NO LATER THAN 20220117/1300Z=
Volcanic Ash Advisory issued on 2022-01-17 at 03:18 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • 420/630 volcanic ash observation moving west at 17/0230z.
  • Volcanic ash observation moving w on latest visibility sat imagery; however, sunglint and meteorological cloud in area make distinguishing volcanic ash difficult. Height increased to flight level 12600m based on pireps, observation volcanic ash movement on sat img and model winds. Strong so2 signal.

Original Message :

Received FVXX01 at 03:18 UTC, 17/01/22 from LFPW
VA ADVISORY
DTG: 20220117/0318Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/8
INFO SOURCE: HIMAWARI-8, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: FL420/630 VA OBS MOVING WEST AT 17/0230Z.
OBS VA DTG: 17/0230Z OBS VA CLD: FL420/630 S2457 E16449 - S2727 E15937 - S2732 E14635 - S2511 E14212 - S1630 E13822 - S1136 E14036 - S1151 E15004 - S1747 E16416 MOV W 50KT
FCST VA CLD +6 HR: 17/0830Z FL420/630 S2519 E16233 - S2857 E15901 - S2921 E14402 - S2553 E13434 - S1937 E13154 - S1033 E13138 - S1030 E14704 - S1513 E16139
FCST VA CLD +12 HR: 17/1430Z FL420/630 S1937 E15925 - S2711 E15835 - S3009 E15307 - S2856 E12959 - S1955 E12340 - S0928 E12530 - S0921 E14546 - S1321 E15755
FCST VA CLD +18 HR: 17/2030Z FL420/630 S1931 E15651 - S3033 E15321 - S3019 E12210 - S2101 E11555 - S0932 E11901 - S0918 E14614
RMK: VA OBS MOVING W ON LATEST VIS SAT IMAGERY; HOWEVER,
SUNGLINT AND MET CLOUD IN AREA MAKE DISTINGUISHING VA
DIFFICULT. HEIGHT INCREASED TO FL420 BASED ON PIREPS, OBS VA
MOVEMENT ON SAT IMG AND MODEL WINDS. STRONG SO2 SIGNAL
OBSERVED. VA RE-ISSUED FOR TYPO.
NXT ADVISORY: NO LATER THAN 20220117/0700Z=
Volcanic Ash Advisory issued on 2022-01-17 at 03:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • 420/630 volcanic ash observation moving west at 17/0230z. Observation volcanic ash dtg: 17 0230 utc.
  • Volcanic ash observation moving w on latest visibility sat imagery; however, sun glint and meteorological cloud in area make distinghushing volcanic ash difficult. Height increased to flight level 12600m based on and observation volcanic ash movement and model guidance. Strong so2 signal observed.

Original Message :

Received FVXX01 at 03:00 UTC, 17/01/22 from LFPW
VA ADVISORY
DTG: 20220117/0300Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/7
INFO SOURCE: HIMAWARI-8, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: FL420/630 VA OBS MOVING WEST AT 17/0230Z. OBS VA DTG: 17/0230Z
OBS VA CLD: FL420/630 S2457 E16449 - S2727 E15937 - S2732 E14635 - S2511 E14212 - S1630 E13822 - S1136 E14036 - S1151 E15004 - S1747 E16416 MOV W 50KT
FCST VA CLD +6 HR: 17/0830Z FL420/630 S2519 E16233 - S2857 E15901 - S2921 E14402 - S2553 E13434 - S1937 E13154 - S1033 E13138 - S1030 E14704 - S1513 E16139
FCST VA CLD +12 HR: 17/1430Z FL420/630 S1937 E15925 - S2711 E15835 - S3009 E15307 - S2856 E12959 - S1955 E12340 - S0928 E12530 - S0921 E14546 - S1321 E15755
FCST VA CLD +18 HR: 17/2030Z FL420/630 S1931 E15651 - S3033 E15321 - S3019 E12210 - S2101 E11555 - S0932 E11901 - S0918 E14614
RMK: VA OBS MOVING W ON LATEST VIS SAT IMAGERY; HOWEVER, SUN
GLINT AND MET CLOUD IN AREA MAKE DISTINGHUSHING VA
DIFFICULT. HEIGHT INCREASED TO FL420 BASED ON PIREPS AND OBS
VA MOVEMENT AND MODEL GUIDANCE. STRONG SO2 SIGNAL OBSERVED.
NXT ADVISORY: NO LATER THAN 20220117/0700Z=
Volcanic Ash Advisory issued on 2022-01-16 at 22:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Large eruption observation volcanic ash dtg: 16 2130 utc.
  • Vaa limited to volcanic ash advisory center area. For volcanic ash advisories volcanic ash advisory center wellington area see wellington vaa fvps01 nzkl. Volcanic ash observation moving w on visibility sat imagery. Height estimaged based on observation volcanic ash movement and pilot reports.

Original Message :

Received FVXX01 at 22:10 UTC, 16/01/22 from LFPW
VA ADVISORY
DTG: 20220116/2210Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/6
INFO SOURCE: HIMAWARI-8, PIREPS
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: LARGE ERUPTION OBS VA DTG: 16/2130Z
OBS VA CLD: FL400/630 S2518 E16259 - S2904 E15333 - S2256 E14257 - S1804 E14239 - S1344 E14501 - S1236 E15042 - S1527 E16200 - S1727 E16256 MOV W 55KT
FCST VA CLD +6 HR: 17/0330Z FL400/630 S2527 E16257 - S2931 E15854 - S2925 E14654 - S2229 E13737 - S1148 E13742 - S1144 E14715 - S1527 E16154 - S1718 E16300
FCST VA CLD +12 HR: 17/0930Z FL400/630 S2519 E16233 - S2931 E15854 - S3019 E14404 - S2457 E12901 - S0954 E12943 - S0924 E14415 - S1402 E15954 - S1729 E16209
FCST VA CLD +18 HR: 17/1530Z FL400/630 S1938 E16049 - S2620 E16041 - S2946 E15454 - S2913 E13820 - S2818 E12259 - S1936 E12001 - S0929 E12414 - S0838 E14542 - S1340 E15918
RMK: VAA LIMITED TO VAAC DARWIN AREA. FOR VA ADVISORIES
WITHIN VAAC WELLINGTON AREA SEE WELLINGTON VAA FVPS01 NZKL.
VA OBS MOVING W ON VIS SAT IMAGERY. HEIGHT ESTIMAGED BASED
ON OBS VA MOVEMENT AND PILOT REPORTS.
NXT ADVISORY: NO LATER THAN 20220117/0410Z=
Volcanic Ash Advisory issued on 2022-01-16 at 16:39 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Large eruption observation volcanic ash dtg: 16 1610 utc.
  • Vaa limited to volcanic ash advisory center area. For volcanic ash advisories volcanic ash advisory center wellington area see wellington vaa fvps01 nzkl. Volcanic ash movement the west over australian mainland.

Original Message :

Received FVXX01 at 16:39 UTC, 16/01/22 from LFPW
VA ADVISORY
DTG: 20220116/1639Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/5
INFO SOURCE: SATELLITE IMAGERY
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: LARGE ERUPTION OBS VA DTG: 16/1610Z
OBS VA CLD: FL400/630 S2536 E16300 - S2807 E15823 - S2613 E15125 - S1959 E14622 - S1333 E14621 - S1134 E14958 - S1536 E16200 - S1730 E16300 MOV W 40KT
FCST VA CLD +6 HR: 16/2210Z FL400/630 S2542 E16300 - S2827 E15848 - S2704 E15053 - S2028 E14155 - S1225 E14239 - S1034 E14729 - S1500 E16142 - S1730 E16300
FCST VA CLD +12 HR: 17/0410Z FL400/630 S2542 E16300 - S2931 E15854 - S2814 E15058 - S2303 E13826 - S1134 E13735 - S1013 E14642 - S1500 E16142 - S1730 E16300
FCST VA CLD +18 HR: 17/1010Z FL400/630 S2545 E16301 - S2931 E15854 - S2844 E15030 - S2333 E13614 - S1233 E13442 - S1011 E14646 - S1500 E16140 - S1731 E16259
RMK: VAA LIMITED TO VAAC DARWIN AREA. FOR VA ADVISORIES
WITHIN VAAC WELLINGTON AREA SEE WELLINGTON VAA FVPS01 NZKL.
VA MOVEMENT TOWARDS THE WEST OVER AUSTRALIAN MAINLAND.
NXT ADVISORY: NO LATER THAN 20220116/2210Z=
Volcanic Ash Advisory issued on 2022-01-16 at 15:02 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc large eruption observation volcanic ash dtg: 16 1500 utc.
  • Vaa limited to volcanic ash advisory center area. For volcanic ash advisories volcanic ash advisory center wellington area see wellington vaa fvps01 nzkl. Volcanic ash movement the west over australian mainland.

Original Message :

Received FVXX01 at 15:02 UTC, 16/01/22 from LFPW
VA ADVISORY
DTG: 20220116/1502Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/4
INFO SOURCE: SATELLITE IMAGERY
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20220115/0400Z LARGE ERUPTION OBS VA DTG: 16/1500Z
OBS VA CLD: FL400/630 S2430 E16300 - S2549 E16008 - S2308 E15240 - S2001 E14926 - S1529 E15145 - S1434 E15423 - S1601 E16013 - S1618 E16218 - S1736 E16300 MOV W 40KT
FCST VA CLD +6 HR: 16/2100Z FL400/630 S2536 E16300 - S2635 E16012 - S2403 E15133 - S1959 E14622 - S1439 E14830 - S1241 E15137 - S1536 E16200 - S1730 E16300
FCST VA CLD +12 HR: 17/0300Z FL400/630 S2542 E16300 - S2655 E16018 - S2508 E15048 - S1942 E14152 - S1314 E14522 - S1125 E14841 - S1500 E16142 - S1730 E16300
FCST VA CLD +18 HR: 17/0900Z FL400/630 S2542 E16300 - S2657 E16009 - S2519 E15044 - S2005 E14002 - S1237 E14355 - S1026 E14636 - S1500 E16142 - S1730 E16300
RMK: VAA LIMITED TO VAAC DARWIN AREA. FOR VA ADVISORIES
WITHIN VAAC WELLINGTON AREA SEE WELLINGTON VAA FVPS01 NZKL.
VA MOVEMENT TOWARDS THE WEST OVER AUSTRALIAN MAINLAND.
NXT ADVISORY: NO LATER THAN 20220116/2100Z=
Volcanic Ash Advisory issued on 2022-01-16 at 09:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Estimate volcanic ash dtg: 16 0914 utc.
  • Please see volcanic ash advisory center advisory issued by volcanic ash advisory center wellington which describes conditions over or near the volcanic ash advisory center area of responsibility.

Original Message :

Received FVXX01 at 09:40 UTC, 16/01/22 from LFPW
VA ADVISORY
DTG: 20220116/0940Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/3
INFO SOURCE: VAAC WELLINGTON
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: UNKNOWN EST VA DTG: 16/0914Z
EST VA CLD:
FCST VA CLD +6 HR: 16/1514Z NOT AVBL
FCST VA CLD +12 HR: 16/2114Z NOT AVBL
FCST VA CLD +18 HR: 17/0314Z NOT AVBL
RMK: PLEASE SEE VAAC ADVISORY ISSUED BY VAAC WELLINGTON
WHICH DESCRIBES CONDITIONS OVER OR NEAR THE VAAC DARWIN AREA
OF RESPONSIBILITY.
NXT ADVISORY: NO LATER THAN 20220116/1514Z=
Volcanic Ash Advisory issued on 2022-01-16 at 08:01 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Estimate volcanic ash dtg: 16 0342 utc.
  • Please see fvps01 nzkl 160332 issued by volcanic ash advisory center wellington which describes conditions over or near the volcanic ash advisory center area of responsibility. *cor due to error in next vaa time*.

Original Message :

Received FVXX01 at 08:01 UTC, 16/01/22 from LFPW
VA ADVISORY
DTG: 20220116/0801Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/2
INFO SOURCE: VAAC WELLINGTON
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: UNKNOWN EST VA DTG: 16/0342Z
EST VA CLD:
FCST VA CLD +6 HR: 16/0942Z NOT AVBL
FCST VA CLD +12 HR: 16/1542Z NOT AVBL
FCST VA CLD +18 HR: 16/2142Z NOT AVBL
RMK: PLEASE SEE FVPS01 NZKL 160332 ISSUED BY VAAC WELLINGTON
WHICH DESCRIBES CONDITIONS OVER OR NEAR THE VAAC DARWIN AREA
OF RESPONSIBILITY. *COR DUE TO ERROR IN NEXT VAA TIME*
NXT ADVISORY: NO LATER THAN 20220116/0942Z=
Volcanic Ash Advisory issued on 2022-01-16 at 03:42 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Estimate volcanic ash dtg: 16 0342 utc estimate volcanic ash cld: forecast volcanic ash cloud +6 hr: 16 0942 utc not available forecast volcanic ash cloud +12 hr: 16 1542 utc not available forecast volcanic ash cloud +18 hr: 16 2142 utc not available rmk: please see fvps01 nzkl 160332 issued by volcanic ash advisory center wellington which describes conditions over or near the volcanic ash advisory center area of responsibility. Next advisory: no later than 20220116/0801z=.
  • Please see fvps01 nzkl 160332 issued by volcanic ash advisory center wellington which describes conditions over or near the volcanic ash advisory center area of responsibility. Next advisory: no later than 20220116/0801z=.

Original Message :

Received FVXX01 at 03:42 UTC, 16/01/22 from LFPW
VA ADVISORY
DTG: 20220116/0342Z
VAAC: DARWIN
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/1
INFO SOURCE: VAAC WELLINGTON
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: UNKNOWN EST VA DTG: 16/0342Z EST VA CLD:
FCST VA CLD +6 HR: 16/0942Z NOT AVBL
FCST VA CLD +12 HR: 16/1542Z NOT AVBL
FCST VA CLD +18 HR: 16/2142Z NOT AVBL
RMK: PLEASE SEE FVPS01 NZKL 160332 ISSUED BY VAAC WELLINGTON
WHICH DESCRIBES CONDITIONS OVER OR NEAR THE VAAC DARWIN AREA
OF RESPONSIBILITY. NXT ADVISORY: NO LATER THAN 20220116/0801Z=
Volcanic Ash Advisory issued on 2022-01-16 at 02:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc large eruption observation volcanic ash dtg: 16 0205 utc.
  • Eruption to very high with ash cloud spreading in stratospheric easterlies. Ash height estimate from cloud top of clouds and 12z sounding from nadi. Forecast westward spread.

Original Message :

Received FVPS01 at 02:05 UTC, 16/01/22 from NZKL
VA ADVISORY
DTG: 20220116/0205Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 E17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/24
INFO SOURCE: SAT IMAGERY, GROUND REPORTS
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20220115/0400Z LARGE ERUPTION OBS VA DTG: 16/0205Z
OBS VA CLD: SFC/FL630 S1745 E17700 - S1915 E17045 - S2200 E17100 - S2315 E17300 - S2300 E17530 - S1900 E17530 MOV W 15KT
FCST VA CLD +6 HR: 16/0805Z SFC/FL630 S1745 E17700 - S1830 E17030 - S2200 E17100 - S2315 E17245 - S2315 E17345 - S1830 E17330
FCST VA CLD +12 HR: 16/1405Z SFC/FL630 S1745 E17700 - S1830 E17030 - S2200 E17100 - S2315 E17245 - S2315 E17230 - S1815 E17230
FCST VA CLD +18 HR: 16/2005Z SFC/FL630 S1745 E17700 - S1830 E17030 - S2215 E17045 - S2315 E17245 - S2315 E17115 - S1815 E17115
RMK: ERUPTION TO VERY HIGH LEVELS WITH ASH CLOUD SPREADING
IN STRATOSPHERIC EASTERLIES. ASH HEIGHT EST FROM CLOUD TOP
TEMPS AND 12Z SOUNDING FROM NADI. FORECAST WESTWARD SPREAD
EST FROM CLOUD MOVEMENT. WAITING ON GROUND REPORT FROM TONGA
FOR MORE INFORMATION. NXT ADVISORY: NO LATER THAN 20220116/0805Z=
Volcanic Ash Advisory issued on 2022-01-16 at 00:17 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc large inital eruption and intermittent smaller eruptions observation volcanic ash dtg: 16 0017 utc.
  • Eruption to very high with ash cloud spreading in stratospheric easterlies. Ash height estimate from cloud top of clouds and 151200z sounding from nadi. Forecast westward spread estimate from cloud movement. Next advisory: no later than 20220116/0617z=.

Original Message :

Received FVPS01 at 00:17 UTC, 16/01/22 from NZKL
VA ADVISORY
DTG: 20220116/0017Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/23
INFO SOURCE: SAT IMAGERY, SFC/PILOT REPORTS
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20220115/0400Z LARGE INITAL ERUPTION AND INTERMITTENT SMALLER ERUPTIONS OBS VA DTG: 16/0017Z
OBS VA CLD: SFC/FL630 S1715 E17900 - S1830 E17015 - S2230 E16845 - S2500 E17030 - S2400 E17300 - S1930 E17300 MOV W 15KT
FCST VA CLD +6 HR: 16/0617Z SFC/FL630 S1730 E17900 - S1830 E17015 - S2245 E16815 - S2515 E17015 - S2345 E17100 - S1830 E17145
FCST VA CLD +12 HR: 16/1217Z SFC/FL630 S1715 E17900 - S1830 E17015 - S2315 E16745 - S2545 E17000 - S2415 E16915 - S1815 E16915
FCST VA CLD +18 HR: 16/1817Z SFC/FL630 S1715 E17900 - S1830 E17030 - S2330 E16745 - S2545 E17000 - S2445 E16745 - S1800 E16745
RMK: ERUPTION TO VERY HIGH LEVELS WITH ASH CLOUD SPREADING
IN STRATOSPHERIC EASTERLIES. ASH HEIGHT EST FROM CLOUD TOP
TEMPS AND 151200Z SOUNDING FROM NADI. FORECAST WESTWARD
SPREAD EST FROM CLOUD MOVEMENT. NXT ADVISORY: NO LATER THAN 20220116/0617Z=
Volcanic Ash Advisory issued on 2022-01-15 at 20:26 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc large eruption observation volcanic ash dtg: 15 2026 utc.
  • Eruption to very high with ash cloud spreading in stratospheric easterlies. Ash height estimate from cloud top of clouds and 12z sounding from nadi. Forecast westward spread.

Original Message :

Received FVPS01 at 20:26 UTC, 15/01/22 from NZKL
VA ADVISORY
DTG: 20220115/2026Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/22
INFO SOURCE: SAT IMAGERY, GROUND REPORTS
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20220115/0400Z LARGE ERUPTION OBS VA DTG: 15/2026Z
OBS VA CLD: SFC/FL630 S1745 E17700 - S1915 E17045 - S2200 E17100 - S2315 E17300 - S2300 E17530 - S1900 E17530 MOV W 15KT
FCST VA CLD +6 HR: 16/0226Z SFC/FL630 S1745 E17700 - S1830 E17030 - S2200 E17100 - S2315 E17245 - S2315 E17345 - S1830 E17330
FCST VA CLD +12 HR: 16/0826Z SFC/FL630 S1745 E17700 - S1830 E17030 - S2200 E17100 - S2315 E17245 - S2315 E17230 - S1815 E17230
FCST VA CLD +18 HR: 16/1426Z SFC/FL630 S1745 E17700 - S1830 E17030 - S2215 E17045 - S2315 E17245 - S2315 E17115 - S1815 E17115
RMK: ERUPTION TO VERY HIGH LEVELS WITH ASH CLOUD SPREADING
IN STRATOSPHERIC EASTERLIES. ASH HEIGHT EST FROM CLOUD TOP
TEMPS AND 12Z SOUNDING FROM NADI. FORECAST WESTWARD SPREAD
EST FROM CLOUD MOVEMENT. WAITING ON GROUND REPORT FROM TONGA
FOR MORE INFORMATION. NXT ADVISORY: NO LATER THAN 20220116/0226Z=
Volcanic Ash Advisory issued on 2022-01-15 at 14:43 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc continuous large eruption observation volcanic ash dtg: 15 1443 utc.
  • Eruption to very high with ash cloud spreading west in stratospheric easterlies. Ash height estimate from cloud top of clouds temperatures and 00z sounding from nadi. Forecast westward spread estimate from current cloud movement. Ashfall reported at tongatapu. Next advisory: no later than 20220115/2043z=.

Original Message :

Received FVPS01 at 14:43 UTC, 15/01/22 from NZKL
VA ADVISORY
DTG: 20220115/1443Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/21
INFO SOURCE: SAT IMAGERY, GROUND REPORTS
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20220115/0400Z CONTINUOUS LARGE ERUPTION OBS VA DTG: 15/1443Z
OBS VA CLD: SFC/FL630 S1815 E17245 - S1945 E17145 - S2200 E17145 - S2315 E17245 - S2315 E17715 - S1815 E17715 MOV W 15KT
FCST VA CLD +6 HR: 15/2043Z SFC/FL630 S1815 E17245 - S1945 E17145 - S2200 E17145 - S2315 E17245 - S2315 E17530 - S1815 E17530
FCST VA CLD +12 HR: 16/0243Z SFC/FL630 S1815 E17245 - S1945 E17145 - S2200 E17145 - S2315 E17245 - S2315 E17400 - S1815 E17400
FCST VA CLD +18 HR: 16/0843Z SFC/FL630 S1815 E17245 - S1945 E17145 - S2200 E17145 - S2315 E17245 - S2315 E17230 - S1815 E17230
RMK: ERUPTION TO VERY HIGH LEVELS WITH ASH CLOUD SPREADING
WEST IN STRATOSPHERIC EASTERLIES. ASH HEIGHT EST FROM CLOUD
TOP TEMPERATURES AND 00Z BALLOON SOUNDING FROM NADI.
FORECAST WESTWARD SPREAD EST FROM CURRENT CLOUD MOVEMENT.
ASHFALL REPORTED AT TONGATAPU. NXT ADVISORY: NO LATER THAN 20220115/2043Z=
Volcanic Ash Advisory issued on 2022-01-15 at 10:22 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc continuous large eruption observation volcanic ash dtg: 15 1022 utc.
  • Ongoing large eruption. Volcanic ash clearly seen in multispectral satellite imagery. And movement.

Original Message :

Received FVPS01 at 10:23 UTC, 15/01/22 from NZKL
VA ADVISORY
DTG: 20220115/1022Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/20
INFO SOURCE: HIMAWARI 8 SATELLITE IMAGERY
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20220115/0400Z CONTINUOUS LARGE ERUPTION OBS VA DTG: 15/1022Z
OBS VA CLD: SFC/FL500 S1845 E17415 - S1930 E17300 - S2115 E17245 - S2230 E17330 - S2315 E17945 - S1845 E18000 MOV NE 20KT
FCST VA CLD +6 HR: 15/1622Z SFC/FL500 S2230 E17230 - S2345 E17815 - S1845 E17915 - S1815 E17200
FCST VA CLD +12 HR: 15/2222Z SFC/FL500 S2230 E17245 - S2345 E17815 - S1845 E17915 - S1800 E17130 - S2145 E17145
FCST VA CLD +18 HR: 16/0422Z SFC/FL500 S2230 E17245 - S2330 E17900 - S1845 E17915 - S1630 E17130 - S2145 E17130
RMK: ONGOING LARGE ERUPTION. VA CLEARLY SEEN IN
MULTISPECTRAL SATELLITE IMAGERY. HEIGHTS AND MOVEMENT
ESTIMATED USING MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20220115/1622Z=
Volcanic Ash Advisory issued on 2022-01-15 at 06:03 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc large eruption observed.
  • Previous volcanic ash area increased based on current satellite imagery. And movement estimated using model guidance.

Original Message :

Received FVPS01 at 06:03 UTC, 15/01/22 from NZKL
VA ADVISORY
DTG: 20220115/0603Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/19
INFO SOURCE: HIMAWARI 8 SATELLITE IMAGERY
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20220115/0400Z LARGE ERUPTION
OBSERVED
OBS VA DTG: 15/0603Z
OBS VA CLD: SFC/FL500 S1930 W17345 - S2200 W17330 - S2300 W17615 - S2145 W17845 - S1930 W17745 - S1845 W17600 MOV NE 20KT
20KT
FCST VA CLD +6 HR: 15/1203Z SFC/FL500 S1830 W17545 - S1900 W17315 - S2200 W17330 - S2300 W17615 - S2145 W17845 - S1930 W17745
W17745
FCST VA CLD +12 HR: 15/1803Z SFC/FL500 S2230 W17600 - S2130 W17730 - S1745 W17530 - S1815 W17230 - S2145 W17315
W17730 - S1745 W17530 - S1815 W17230 - S2145 W17315
FCST VA CLD +18 HR: 16/0003Z SFC/FL500 S2100 W17500 - S1815 W17445 - S1715 W17145 - S2200 W17230 - S2200 W17330
W17445 - S1715 W17145 - S2200 W17230 - S2200 W17330
RMK: PREVIOUS VA AREA INCREASED BASED ON CURRENT SATELLITE
IMAGERY. HEIGHTS AND MOVEMENT ESTIMATED USING MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20220115/1203Z=
Volcanic Ash Advisory issued on 2022-01-15 at 05:19 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2022-01-15 04:00 utc large eruption observed.
  • Large eruption clearly identifiable on satellite imagery. And movement estimated using model guidance.

Original Message :

Received FVPS01 at 05:19 UTC, 15/01/22 from NZKL
VA ADVISORY
DTG: 20220115/0519Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/18
INFO SOURCE: HIMAWARI 8 SATELLITE IMAGERY
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20220115/0400Z LARGE ERUPTION
OBSERVED
OBS VA DTG: 15/0519Z
OBS VA CLD: SFC/FL500 S2115 W17615 - S1945 W17615 - S1900 W17330 - S2130 W17345 - S2145 W17445 MOV NE 20KT
W17330 - S2130 W17345 - S2145 W17445 MOV NE 20KT
FCST VA CLD +6 HR: 15/1119Z SFC/FL500 S2115 W17615 - S1945 W17615 - S1900 W17330 - S2130 W17345 - S2145 W17445
W17615 - S1900 W17330 - S2130 W17345 - S2145 W17445
FCST VA CLD +12 HR: 15/1719Z SFC/FL500 S2100 W17530 - S1930 W17530 - S1815 W17215 - S2200 W17315 - S2200 W17400
W17530 - S1815 W17215 - S2200 W17315 - S2200 W17400
FCST VA CLD +18 HR: 15/2319Z SFC/FL500 S2100 W17500 - S1845 W17500 - S1715 W17145 - S2200 W17230 - S2200 W17330
W17500 - S1715 W17145 - S2200 W17230 - S2200 W17330
RMK: LARGE ERUPTION CLEARLY IDENTIFIABLE ON SATELLITE
IMAGERY. HEIGHTS AND MOVEMENT ESTIMATED USING MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20220115/1119Z=
Volcanic Ash Advisory issued on 2022-01-15 at 04:39 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • New eruption seen in satellite imagery.
  • More information to follow shortly.

Original Message :

Received FVPS01 at 04:39 UTC, 15/01/22 from NZKL
VA ADVISORY
DTG: 20220115/0439Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2022/17
INFO SOURCE: HIMAWARI 8 SATELLITE IMAGE
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: NEW ERUPTION SEEN IN SATELLITE IMAGERY
OBS VA DTG: 15/0439Z
OBS VA CLD: SFC/FL520 S2015 W17545 - S2015 W17430 - S2100 W17445 - S2100 W17545 MOV N 05KT
W17445 - S2100 W17545 MOV N 05KT
FCST VA CLD +6 HR: 15/1039Z NO VA EXP
FCST VA CLD +12 HR: 15/1639Z NO VA EXP
FCST VA CLD +18 HR: 15/2239Z NO VA EXP
RMK: MORE INFORMATION TO FOLLOW SHORTLY
NXT ADVISORY: NO LATER THAN 20220115/1039Z=
Volcanic Ash Advisory issued on 2021-12-31 at 19:35 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-31 05:00 utc intermittent eruption continues since 31/0500z.
  • Ashfall is expected vcy of vents. Last observation before a break in coverage at a manual station ash plume detected around 31/1520z. Gas and steam expected up to flight level 9000m as per 2021-12-31 18:25 utc vona. Hthh currently obscured by meteorological cloud.

Original Message :

Received FVPS01 at 19:35 UTC, 31/12/21 from NZKL
VA ADVISORY
DTG: 20211231/1935Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/46
INFO SOURCE: VONA 39, DRONE PICS.
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211231/0500Z INTERMITTENT
ERUPTION CONTINUES SINCE 31/0500Z.
OBS VA DTG: 31/1935Z
OBS VA CLD: SFC/FL100 S2030 W17530 - S2015 W17515 - S2045 W17515 - S2045 W17530 MOV E 05KT
W17515 - S2045 W17530 MOV E 05KT
FCST VA CLD +6 HR: 01/0135Z SFC/FL100 S2030 W17530 - S2015 W17515 - S2045 W17515 - S2045 W17530
W17515 - S2045 W17515 - S2045 W17530
FCST VA CLD +12 HR: 01/0735Z SFC/FL100 S2030 W17530 - S2015 W17515 - S2045 W17515 - S2045 W17530
W17515 - S2045 W17515 - S2045 W17530
FCST VA CLD +18 HR: 01/1335Z SFC/FL100 S2030 W17530 - S2015 W17515 - S2045 W17515 - S2045 W17530
W17515 - S2045 W17515 - S2045 W17530
RMK: ASHFALL IS EXPECTED WITHIN VCY OF VENTS. LAST ASH PLUME
DETECTED AROUND 31/1520Z. GAS AND STEAM EXPECTED UP TO FL300
AS PER 20211231/1825Z VONA. HTHH CURRENTLY OBSCURED BY MET
CLOUD.
NXT ADVISORY: NO LATER THAN 20220101/0135Z=
Volcanic Ash Advisory issued on 2021-12-30 at 00:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash emission ceased.
  • Previous volcanic ash area is clear of meteorological cloud and not identifiable in satellite imagery. Will continue to monitor and update if necessary.

Original Message :

Received FVPS01 at 00:10 UTC, 30/12/21 from NZKL
VA ADVISORY
DTG: 20211230/0010Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/45
INFO SOURCE: TONGA MET VONA, HIMAWARI-8
AVIATION COLOUR CODE: YELLOW
ERUPTION DETAILS: VA EMISSION CEASED
OBS VA DTG: 30/0010Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL100 030/10KT
FCST VA CLD +6 HR: 30/0610Z NO VA EXP
FCST VA CLD +12 HR: 30/1210Z NO VA EXP
FCST VA CLD +18 HR: 30/1810Z NO VA EXP
RMK: PREVIOUS VA AREA IS CLEAR OF MET CLD AND NOT
IDENTIFIABLE IN SATELLITE IMAGERY. WILL CONTINUE TO MONITOR
AND UPDATE IF NECESSARY.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-12-29 at 22:21 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing intermittent eruption.
  • Intermittent eruption continues and volcanic ash are identifiable in multispectral satellite imagery at times. Steam and gas cloud to flight level 12000m drifting northward.

Original Message :

Received FVPS01 at 22:21 UTC, 29/12/21 from NZKL
VA ADVISORY
DTG: 20211229/2221Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/44
INFO SOURCE: TONGA MET VONA, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 29/2221Z
OBS VA CLD: SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17500 - S2030 W17500 MOV N 10KT
W17500 - S2030 W17500 MOV N 10KT
FCST VA CLD +6 HR: 30/0421Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17500 - S2030 W17500
W17530 - S1945 W17500 - S2030 W17500
FCST VA CLD +12 HR: 30/1021Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17500 - S2030 W17500
W17530 - S1945 W17500 - S2030 W17500
FCST VA CLD +18 HR: 30/1621Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17500 - S2030 W17500
W17530 - S1945 W17500 - S2030 W17500
RMK: INTERMITTENT ERUPTION CONTINUES AND VA PULSES ARE
IDENTIFIABLE IN MULTISPECTRAL SATELLITE IMAGERY AT TIMES.
STEAM AND GAS CLD TO FL400 DRIFTING NORTHWARD.
NXT ADVISORY: NO LATER THAN 20211230/0421Z=
Volcanic Ash Advisory issued on 2021-12-29 at 16:35 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing intermittent eruption.
  • Eruptive activity is intermittent and ash fall mainly confined to lower vcy volcano. Steam and gas cloud to flight level 12000m drifting northward.

Original Message :

Received FVPS01 at 16:35 UTC, 29/12/21 from NZKL
VA ADVISORY
DTG: 20211229/1635Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/43
INFO SOURCE: TONGA MET VONA, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 29/1635Z
OBS VA CLD: SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500 MOV N 10KT
W17515 - S2030 W17500 MOV N 10KT
FCST VA CLD +6 HR: 29/2235Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +12 HR: 30/0435Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +18 HR: 30/1035Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASH FALL MAINLY
CONFINED TO LOWER LEVELS VCY VOLCANO. STEAM AND GAS CLD TO
FL400 DRIFTING NORTHWARD.
NXT ADVISORY: NO LATER THAN 20211229/2235Z=
Volcanic Ash Advisory issued on 2021-12-29 at 10:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing intermittent eruption.
  • Eruptive activity is intermittent and ash fall mainly confined to lower vcy volcano. Steam and gas cloud to flight level 12000m drifting northward.

Original Message :

Received FVPS01 at 10:40 UTC, 29/12/21 from NZKL
VA ADVISORY
DTG: 20211229/1040Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/42
INFO SOURCE: TONGA MET VONA, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 29/1040Z
OBS VA CLD: SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500 MOV N 10KT
W17515 - S2030 W17500 MOV N 10KT
FCST VA CLD +6 HR: 29/1640Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +12 HR: 29/2240Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +18 HR: 30/0440Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASH FALL MAINLY
CONFINED TO LOWER LEVELS VCY VOLCANO. STEAM AND GAS CLD TO
FL400 DRIFTING NORTHWARD.
NXT ADVISORY: NO LATER THAN 20211229/1640Z=
Volcanic Ash Advisory issued on 2021-12-29 at 04:46 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing intermittent eruption.
  • Eruptive activity is intermittent and ash fall mainly confined to lower vcy volcano. Steam and gas cloud to flight level 12000m drifting northward.

Original Message :

Received FVPS01 at 04:46 UTC, 29/12/21 from NZKL
VA ADVISORY
DTG: 20211229/0446Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/41
INFO SOURCE: TONGA MET VONA, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 29/0446Z
OBS VA CLD: SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500 MOV N 05KT
W17515 - S2030 W17500 MOV N 05KT
FCST VA CLD +6 HR: 29/1046Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +12 HR: 29/1646Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +18 HR: 29/2246Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASH FALL MAINLY
CONFINED TO LOWER LEVELS VCY VOLCANO. STEAM AND GAS CLD TO
FL400 DRIFTING NORTHWARD.
NXT ADVISORY: NO LATER THAN 20211229/1046Z=
Volcanic Ash Advisory issued on 2021-12-28 at 22:54 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing intermittent eruption.
  • Eruptive activity is intermittent and ash fall mainly confined to lower vcy volcano. Steam and gas cloud to flight level 12000m drifting northward.

Original Message :

Received FVPS01 at 22:54 UTC, 28/12/21 from NZKL
VA ADVISORY
DTG: 20211228/2254Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/40
INFO SOURCE: TONGA MET VONA, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 28/2254Z
OBS VA CLD: SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500 MOV N 05KT
W17515 - S2030 W17500 MOV N 05KT
FCST VA CLD +6 HR: 29/0454Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +12 HR: 29/1054Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
FCST VA CLD +18 HR: 29/1654Z SFC/FL250 S2045 W17530 - S1945 W17530 - S1945 W17515 - S2030 W17500
W17530 - S1945 W17515 - S2030 W17500
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASH FALL MAINLY
CONFINED TO LOWER LEVELS VCY VOLCANO. STEAM AND GAS CLD TO
FL400 DRIFTING NORTHWARD.
NXT ADVISORY: NO LATER THAN 20211229/0454Z=
Volcanic Ash Advisory issued on 2021-12-28 at 17:24 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing intermittent eruption.
  • Eruptive activity is intermittent and ash fall mainly confined to lower vcy volcano. Based on 2021-12-28 05:30 utc volcanic activity report from from tonga small hail or snow pellets ash cloud to flight level 6000m with steam and gas to flight level 15300m.

Original Message :

Received FVPS01 at 17:24 UTC, 28/12/21 from NZKL
VA ADVISORY
DTG: 20211228/1724Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/39
INFO SOURCE: ERUPTION RPT-TGS, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 28/1724Z
OBS VA CLD: SFC/FL200 S2045 W17530 - S1945 W17530 - S1945 W17500 - S2045 W17500 MOV N 05KT
W17500 - S2045 W17500 MOV N 05KT
FCST VA CLD +6 HR: 28/2324Z SFC/FL200 S2045 W17530 - S1945 W17530 - S1945 W17500 - S2045 W17500
W17530 - S1945 W17500 - S2045 W17500
FCST VA CLD +12 HR: 29/0524Z NO VA EXP
FCST VA CLD +18 HR: 29/1124Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASH FALL MAINLY
CONFINED TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON
20211228/0530Z VOLCANIC ACTIVITY REPORT FROM FROM TONGA GS.
ASH CLOUD TO FL200 WITH STEAM AND GAS TO FL510.
NXT ADVISORY: NO LATER THAN 20211228/2324Z=
Volcanic Ash Advisory issued on 2021-12-28 at 12:26 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing intermittent eruption.
  • Eruptive activity is intermittent and ash fall mainly confined to lower vcy volcano. Based on 2021-12-28 05:30 utc volcanic activity report from from tonga small hail or snow pellets ash cloud to flight level 6000m with steam and gas to flight level 15300m.

Original Message :

Received FVPS01 at 12:26 UTC, 28/12/21 from NZKL
VA ADVISORY
DTG: 20211228/1226Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/38
INFO SOURCE: ERUPTION RPT-TGS, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 28/1226Z
OBS VA CLD: SFC/FL200 S2045 W17530 - S2015 W17530 - S1915 W17500 - S1915 W17445 - S2000 W17445 - S2045 W17500 MOV N 10KT
10KT
FCST VA CLD +6 HR: 28/1826Z SFC/FL200 S2045 W17530 - S2015 W17530 - S1915 W17500 - S1915 W17445 - S2000 W17445 - S2045 W17500
W17500
FCST VA CLD +12 HR: 29/0026Z SFC/FL120 S2045 W17530 - S2015 W17530 - S1945 W17515 - S1945 W17445 - S2000 W17445 - S2045 W17500
W17500
FCST VA CLD +18 HR: 29/0626Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASH FALL MAINLY
CONFINED TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON
20211228/0530Z VOLCANIC ACTIVITY REPORT FROM FROM TONGA GS.
ASH CLOUD TO FL200 WITH STEAM AND GAS TO FL510.
NXT ADVISORY: NO LATER THAN 20211228/1826Z=
Volcanic Ash Advisory issued on 2021-12-28 at 06:37 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing intermittent eruption.
  • Eruptive activity is intermittent and ash fall confined to lower vcy volcano. Based on 2021-12-28 05:30 utc volcanic activity report from from tonga small hail or snow pellets ash cloud to flight level 3600m with steam and gas to flight level 15300m.

Original Message :

Received FVPS01 at 06:37 UTC, 28/12/21 from NZKL
VA ADVISORY
DTG: 20211228/0637Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/37
INFO SOURCE: ERUPTION RPT-TGS, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 28/0637Z
OBS VA CLD: SFC/FL120 S2045 W17530 - S2015 W17530 - S1930 W17445 - S1915 W17345 - S1945 W17345 - S2000 W17430 - S2045 W17500 MOV NE 05KT
W17500 MOV NE 05KT
FCST VA CLD +6 HR: 28/1237Z SFC/FL100 S2045 W17530 - S2015 W17530 - S1930 W17445 - S2000 W17430 - S2045 W17500
W17530 - S1930 W17445 - S2000 W17430 - S2045 W17500
FCST VA CLD +12 HR: 28/1837Z NO VA EXP
FCST VA CLD +18 HR: 29/0037Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASH FALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211228/0530Z
VOLCANIC ACTIVITY REPORT FROM FROM TONGA GS. ASH CLOUD TO
FL120 WITH STEAM AND GAS TO FL510.
NXT ADVISORY: NO LATER THAN 20211228/1237Z=
Volcanic Ash Advisory issued on 2021-12-28 at 00:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing intermittent eruption.
  • Eruptive activity is ongoing and ash fall confined to lower vcy volcano. Based on 2021-12-27 23:40 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 9000m.

Original Message :

Received FVPS01 at 00:55 UTC, 28/12/21 from NZKL
VA ADVISORY
DTG: 20211228/0055Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/36
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ONGOING INTERMITTENT ERUPTION
OBS VA DTG: 28/0055Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2030 W17445 - S2045 W17515 MOV E 05KT
W17500 - S2030 W17445 - S2045 W17515 MOV E 05KT
FCST VA CLD +6 HR: 28/0655Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2030 W17445 - S2045 W17515
W17530 - S2000 W17500 - S2030 W17445 - S2045 W17515
FCST VA CLD +12 HR: 28/1255Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2030 W17445 - S2045 W17515
W17530 - S2000 W17500 - S2030 W17445 - S2045 W17515
FCST VA CLD +18 HR: 28/1855Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS ONGOING AND ASH FALL CONFINED TO
LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211227/2340Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL300.
NXT ADVISORY: NO LATER THAN 20211228/0655Z=
Volcanic Ash Advisory issued on 2021-12-27 at 19:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-27 12:30 utc ongoing intermittent eruption.
  • Eruptive activity is intermittent and ash fall confined to lower vcy volcano. Based on 2021-12-27 18:30 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 9000m low level conditions slightly obscured by meteorological cloud.

Original Message :

Received FVPS01 at 19:05 UTC, 27/12/21 from NZKL
VA ADVISORY
DTG: 20211227/1905Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/35
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211227/1230Z ONGOING
INTERMITTENT ERUPTION
OBS VA DTG: 27/1905Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445 MOV E 05KT
W17500 - S2015 W17445 - S2045 W17445 MOV E 05KT
FCST VA CLD +6 HR: 28/0105Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 28/0705Z NO VA EXP
FCST VA CLD +18 HR: 28/1305Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASH FALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211227/1830Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL300. LOW LEVEL CONDITIONS SLIGHTLY OBSCURED BY MET
CLOUD.
NXT ADVISORY: NO LATER THAN 20211228/0105Z=
Volcanic Ash Advisory issued on 2021-12-27 at 13:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-27 12:30 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-26 19:20 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 9000m low level conditions largely obscured by meteorological cloud.

Original Message :

Received FVPS01 at 13:15 UTC, 27/12/21 from NZKL
VA ADVISORY
DTG: 20211227/1315Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/34
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211227/1230Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 27/1315Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445 MOV E 05KT
W17500 - S2015 W17445 - S2045 W17445 MOV E 05KT
FCST VA CLD +6 HR: 27/1915Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 28/0115Z NO VA EXP
FCST VA CLD +18 HR: 28/0715Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211226/1920Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL300. LOW LEVEL CONDITIONS LARGELY OBSCURED BY MET
CLOUD.
NXT ADVISORY: NO LATER THAN 20211227/1915Z=
Volcanic Ash Advisory issued on 2021-12-27 at 07:19 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-26 01:00 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-26 19:20 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 9000m low level conditions largely obscured by meteorological cloud.

Original Message :

Received FVPS01 at 07:19 UTC, 27/12/21 from NZKL
VA ADVISORY
DTG: 20211227/0719Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/33
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211226/0100Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 27/0719Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445 MOV E 05KT
W17500 - S2015 W17445 - S2045 W17445 MOV E 05KT
FCST VA CLD +6 HR: 27/1319Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 27/1919Z NO VA EXP
FCST VA CLD +18 HR: 28/0119Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211226/1920Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL300. LOW LEVEL CONDITIONS LARGELY OBSCURED BY MET
CLOUD.
NXT ADVISORY: NO LATER THAN 20211227/1319Z=
Volcanic Ash Advisory issued on 2021-12-27 at 01:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-26 01:00 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-26 19:20 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 9000m low level conditions largely obscured by meteorological cloud.

Original Message :

Received FVPS01 at 01:30 UTC, 27/12/21 from NZKL
VA ADVISORY
DTG: 20211227/0130Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/32
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211226/0100Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 27/0130Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445 MOV E 10KT
W17500 - S2015 W17445 - S2045 W17445 MOV E 10KT
FCST VA CLD +6 HR: 27/0730Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 27/1330Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +18 HR: 27/1930Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211226/1920Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL300. LOW LEVEL CONDITIONS LARGELY OBSCURED BY MET
CLOUD.
NXT ADVISORY: NO LATER THAN 20211227/0730Z=
Volcanic Ash Advisory issued on 2021-12-27 at 01:26 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-26 01:00 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-26 19:20 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 9000m low level conditions largely obscured by meteorological cloud.

Original Message :

Received FVPS01 at 01:26 UTC, 27/12/21 from NZKL
VA ADVISORY
DTG: 20211227/0126Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/31
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211226/0100Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 27/0126Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445 MOV E 10KT
W17500 - S2015 W17445 - S2045 W17445 MOV E 10KT
FCST VA CLD +6 HR: 27/0726Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 27/1326Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +18 HR: 27/1926Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211226/1920Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL300. LOW LEVEL CONDITIONS LARGELY OBSCURED BY MET
CLOUD.
NXT ADVISORY: NO LATER THAN 20211227/0726Z=
Volcanic Ash Advisory issued on 2021-12-26 at 19:34 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-26 01:00 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-26 19:20 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 12000m low level conditions largely obscured by meteorological cloud.

Original Message :

Received FVPS01 at 19:34 UTC, 26/12/21 from NZKL
VA ADVISORY
DTG: 20211226/1934Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/30
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211226/0100Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 26/1934Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445 MOV NE 10KT
W17500 - S2015 W17445 - S2045 W17445 MOV NE 10KT
FCST VA CLD +6 HR: 27/0134Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 27/0734Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +18 HR: 27/1334Z NO VA EXP
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211226/1920Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL400. LOW LEVEL CONDITIONS LARGELY OBSCURED BY MET
CLOUD.
NXT ADVISORY: NO LATER THAN 20211227/0134Z=
Volcanic Ash Advisory issued on 2021-12-26 at 13:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-26 05:00 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-25 17:30 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 12000m low level conditions largely obscured by meteorological cloud.

Original Message :

Received FVPS01 at 13:40 UTC, 26/12/21 from NZKL
VA ADVISORY
DTG: 20211226/1340Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/29
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211226/0500Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 26/1340Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445 MOV NE 10KT
W17500 - S2015 W17445 - S2045 W17445 MOV NE 10KT
FCST VA CLD +6 HR: 26/1940Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 27/0140Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +18 HR: 27/0740Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211225/1730Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL400. LOW LEVEL CONDITIONS LARGELY OBSCURED BY MET
CLOUD.
NXT ADVISORY: NO LATER THAN 20211226/1940Z=
Volcanic Ash Advisory issued on 2021-12-26 at 07:47 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-26 05:00 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-25 17:30 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 12000m.

Original Message :

Received FVPS01 at 07:47 UTC, 26/12/21 from NZKL
VA ADVISORY
DTG: 20211226/0747Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/28
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211226/0500Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 26/0747Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445 MOV E 05KT
W17500 - S2015 W17445 - S2045 W17445 MOV E 05KT
FCST VA CLD +6 HR: 26/1347Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 26/1947Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +18 HR: 27/0147Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211225/1730Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL400.
NXT ADVISORY: NO LATER THAN 20211226/1347Z=
Volcanic Ash Advisory issued on 2021-12-26 at 01:58 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-25 22:30 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-25 17:30 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 12000m.

Original Message :

Received FVPS01 at 01:58 UTC, 26/12/21 from NZKL
VA ADVISORY
DTG: 20211226/0158Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/27
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211225/2230Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 26/0158Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445 MOV NE 10KT
W17500 - S2015 W17445 - S2045 W17445 MOV NE 10KT
FCST VA CLD +6 HR: 26/0758Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 26/1358Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +18 HR: 26/1958Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211225/1730Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL400.
NXT ADVISORY: NO LATER THAN 20211226/0758Z=
Volcanic Ash Advisory issued on 2021-12-25 at 21:04 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-25 19:50 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-25 17:30 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 12000m.

Original Message :

Received FVPS01 at 21:04 UTC, 25/12/21 from NZKL
VA ADVISORY
DTG: 20211225/2104Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/26
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211225/1950Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 25/2104Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17500 MOV NE 10KT
W17500 - S2015 W17445 - S2045 W17500 MOV NE 10KT
FCST VA CLD +6 HR: 26/0304Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +12 HR: 26/0904Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
FCST VA CLD +18 HR: 26/1504Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
W17530 - S2000 W17500 - S2015 W17445 - S2045 W17445
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211225/1730Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL400.
NXT ADVISORY: NO LATER THAN 20211226/0304Z=
Volcanic Ash Advisory issued on 2021-12-25 at 15:12 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-25 12:00 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-24 23:25 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 12000m.

Original Message :

Received FVPS01 at 15:12 UTC, 25/12/21 from NZKL
VA ADVISORY
DTG: 20211225/1512Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/25
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211225/1200Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 25/1512Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17500 - S2000 W17430 - S2030 W17445 MOV NE 10KT
W17500 - S2000 W17430 - S2030 W17445 MOV NE 10KT
FCST VA CLD +6 HR: 25/2112Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17515 - S2000 W17430 - S2030 W17445
W17530 - S2000 W17515 - S2000 W17430 - S2030 W17445
FCST VA CLD +12 HR: 26/0312Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17515 - S2000 W17430 - S2030 W17445
W17530 - S2000 W17515 - S2000 W17430 - S2030 W17445
FCST VA CLD +18 HR: 26/0912Z SFC/FL100 S2045 W17530 - S2015 W17530 - S2000 W17515 - S2000 W17430 - S2030 W17445
W17530 - S2000 W17515 - S2000 W17430 - S2030 W17445
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211224/2325Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL400.
NXT ADVISORY: NO LATER THAN 20211225/2112Z=
Volcanic Ash Advisory issued on 2021-12-25 at 09:24 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-25 06:00 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-24 23:25 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 12000m.

Original Message :

Received FVPS01 at 09:24 UTC, 25/12/21 from NZKL
VA ADVISORY
DTG: 20211225/0924Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/24
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211225/0600Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 25/0924Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2000 W17515 - S2000 W17445 - S2030 W17445 MOV NE 10KT
W17445 - S2030 W17445 MOV NE 10KT
FCST VA CLD +6 HR: 25/1524Z SFC/FL100 S2045 W17530 - S2000 W17530 - S2000 W17445 - S2030 W17445
W17530 - S2000 W17445 - S2030 W17445
FCST VA CLD +12 HR: 25/2124Z SFC/FL100 S2045 W17530 - S2000 W17530 - S2000 W17445 - S2030 W17445
W17530 - S2000 W17445 - S2030 W17445
FCST VA CLD +18 HR: 26/0324Z SFC/FL100 S2045 W17530 - S2000 W17530 - S2000 W17445 - S2030 W17445
W17530 - S2000 W17445 - S2030 W17445
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211224/2325Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL400.
NXT ADVISORY: NO LATER THAN 20211225/1524Z=
Volcanic Ash Advisory issued on 2021-12-25 at 04:35 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-25 03:10 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-24 23:25 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 12000m.

Original Message :

Received FVPS01 at 04:35 UTC, 25/12/21 from NZKL
VA ADVISORY
DTG: 20211225/0435Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/23
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211225/0310Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 25/0435Z
OBS VA CLD: SFC/FL100 S2045 W17530 - S2000 W17545 - S2000 W17445 - S2030 W17430 MOV NE 10KT
W17445 - S2030 W17430 MOV NE 10KT
FCST VA CLD +6 HR: 25/1035Z SFC/FL100 S2045 W17530 - S2000 W17545 - S2000 W17445 - S2030 W17430
W17545 - S2000 W17445 - S2030 W17430
FCST VA CLD +12 HR: 25/1635Z SFC/FL100 S2045 W17530 - S2000 W17545 - S2000 W17445 - S2030 W17430
W17545 - S2000 W17445 - S2030 W17430
FCST VA CLD +18 HR: 25/2235Z SFC/FL100 S2045 W17530 - S2000 W17545 - S2000 W17445 - S2030 W17430
W17545 - S2000 W17445 - S2030 W17430
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211224/2325Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL400.
NXT ADVISORY: NO LATER THAN 20211225/1035Z=
Volcanic Ash Advisory issued on 2021-12-24 at 23:07 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-24 22:30 utc ongoing, cyclic eruption.
  • Eruptive activity is intermittent and ashfall confined to lower vcy volcano. Based on 2021-12-24 23:25 utc vona from tonga meteorological ash cloud to flight level 3000m with steam and gas to flight level 9000m colour code change to.

Original Message :

Received FVPS01 at 23:07 UTC, 24/12/21 from NZKL
VA ADVISORY
DTG: 20211224/2307Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/22
INFO SOURCE: VONA FROM TONGA MET, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20211224/2230Z ONGOING, CYCLIC
ERUPTION
OBS VA DTG: 24/2307Z
OBS VA CLD: SFC/FL100 S2045 W17545 - S2000 W17545 - S2000 W17445 - S2045 W17500 MOV N 10KT
W17445 - S2045 W17500 MOV N 10KT
FCST VA CLD +6 HR: 25/0507Z SFC/FL100 S2045 W17545 - S2000 W17545 - S2000 W17445 - S2045 W17500
W17545 - S2000 W17445 - S2045 W17500
FCST VA CLD +12 HR: 25/1107Z SFC/FL100 S2045 W17545 - S2000 W17545 - S2000 W17445 - S2045 W17500
W17545 - S2000 W17445 - S2045 W17500
FCST VA CLD +18 HR: 25/1707Z SFC/FL100 S2045 W17545 - S2000 W17545 - S2000 W17445 - S2045 W17500
W17545 - S2000 W17445 - S2045 W17500
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL CONFINED
TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON 20211224/2325Z
VONA FROM TONGA MET. ASH CLOUD TO FL100 WITH STEAM AND GAS
TO FL300. COLOUR CODE CHANGE TO ORANGE.
NXT ADVISORY: NO LATER THAN 20211225/0507Z=
Volcanic Ash Advisory issued on 2021-12-24 at 19:43 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-24 18:20 utc ongoing, cyclic eruption with plume extending to flight level 12000m at times.
  • Eruptive activity is intermittent and ashfall possibly confined to lower vcy volcano. Based on himawari-8 imagery and model sounding.

Original Message :

Received FVPS01 at 19:44 UTC, 24/12/21 from NZKL
VA ADVISORY
DTG: 20211224/1943Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/21
INFO SOURCE: HIMAWARI-8 IMAGERY
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20211224/1820Z ONGOING, CYCLIC
ERUPTION WITH PLUME EXTENDING TO FL400 AT TIMES.
OBS VA DTG: 24/1943Z
OBS VA CLD: SFC/FL350 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500 MOV NE 10KT
W17430 - S2045 W17500 MOV NE 10KT
FCST VA CLD +6 HR: 25/0143Z SFC/FL350 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500
W17515 - S1945 W17430 - S2045 W17500
FCST VA CLD +12 HR: 25/0743Z SFC/FL350 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500
W17515 - S1945 W17430 - S2045 W17500
FCST VA CLD +18 HR: 25/1343Z SFC/FL350 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500
W17515 - S1945 W17430 - S2045 W17500
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL POSSIBLY
CONFINED TO LOWER LEVELS VCY VOLCANO. HEIGHTS BASED ON
HIMAWARI-8 IMAGERY AND MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211225/0143Z=
Volcanic Ash Advisory issued on 2021-12-24 at 13:48 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-19 20:30 utc ongoing, cyclic eruption with plume extending to flight level 12000m at times.
  • Eruptive activity is intermittent and ashfall likely confined to vcy of the volcano. Based on himawari-8 imagery, vona and model sounding.

Original Message :

Received FVPS01 at 13:48 UTC, 24/12/21 from NZKL
VA ADVISORY
DTG: 20211224/1348Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/20
INFO SOURCE: HIMAWARI-8, TONGA MET VONA
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20211219/2030Z ONGOING, CYCLIC
ERUPTION WITH PLUME EXTENDING TO FL400 AT TIMES.
OBS VA DTG: 24/1348Z
OBS VA CLD: SFC/FL400 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500 MOV NE 10KT
W17430 - S2045 W17500 MOV NE 10KT
FCST VA CLD +6 HR: 24/1948Z SFC/FL400 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500
W17515 - S1945 W17430 - S2045 W17500
FCST VA CLD +12 HR: 25/0148Z SFC/FL400 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500
W17515 - S1945 W17430 - S2045 W17500
FCST VA CLD +18 HR: 25/0748Z SFC/FL400 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500
W17515 - S1945 W17430 - S2045 W17500
RMK: ERUPTIVE ACTIVITY IS INTERMITTENT AND ASHFALL LIKELY
CONFINED TO VCY OF THE VOLCANO. HEIGHTS BASED ON HIMAWARI-8
IMAGERY, VONA AND MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211224/1948Z=
Volcanic Ash Advisory issued on 2021-12-24 at 08:11 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-19 20:30 utc ongoing, cyclic eruption with plume extending to flight level 12000m at times.
  • Ashfall likely confined to vcy of the volcano. Eruption intermittent. Based on pilot report from 00:50 utc infrared sat image and model sounding.

Original Message :

Received FVPS01 at 08:11 UTC, 24/12/21 from NZKL
VA ADVISORY
DTG: 20211224/0811Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/19
INFO SOURCE: HIMAWARI TONGA MET VONA
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20211219/2030Z ONGOING, CYCLIC
ERUPTION WITH PLUME EXTENDING TO FL400 AT TIMES.
OBS VA DTG: 24/0811Z
OBS VA CLD: SFC/FL400 S2045 W17545 - S1930 W17500 - S1915 W17415 - S2045 W17500 MOV NE 10KT
W17415 - S2045 W17500 MOV NE 10KT
FCST VA CLD +6 HR: 24/1411Z SFC/FL400 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500
W17515 - S1945 W17430 - S2045 W17500
FCST VA CLD +12 HR: 24/2011Z SFC/FL400 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500
W17515 - S1945 W17430 - S2045 W17500
FCST VA CLD +18 HR: 25/0211Z SFC/FL400 S2045 W17545 - S1945 W17515 - S1945 W17430 - S2045 W17500
W17515 - S1945 W17430 - S2045 W17500
RMK: ASHFALL LIKELY CONFINED TO VCY OF THE VOLCANO. ERUPTION
INTERMITTENT. HEIGHTS BASED ON PILOT REPORT FROM 0050Z, IR
SAT IMAGE AND MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211224/1411Z=
Volcanic Ash Advisory issued on 2021-12-24 at 02:14 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-19 20:30 utc ongoing, cyclic eruption with plume extending to flight level 12000m at times.
  • Ashfall likely confined to vcy of the volcano. Based on pilot report from 00:50 utc infrared satellite image and model sounding.

Original Message :

Received FVPS01 at 02:14 UTC, 24/12/21 from NZKL
VA ADVISORY
DTG: 20211224/0214Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/18
INFO SOURCE: HIMAWARI TONGA MET PILOT REPORT
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20211219/2030Z ONGOING, CYCLIC
ERUPTION WITH PLUME EXTENDING TO FL400 AT TIMES.
OBS VA DTG: 24/0214Z
OBS VA CLD: SFC/FL400 S2045 W17545 - S1845 W17500 - S1900 W17400 - S2045 W17500 MOV NE 10KT
W17400 - S2045 W17500 MOV NE 10KT
FCST VA CLD +6 HR: 24/0814Z SFC/FL400 S2045 W17545 - S1845 W17515 - S1900 W17415 - S2045 W17500
W17515 - S1900 W17415 - S2045 W17500
FCST VA CLD +12 HR: 24/1414Z SFC/FL400 S2045 W17545 - S1845 W17530 - S1900 W17430 - S2045 W17500
W17530 - S1900 W17430 - S2045 W17500
FCST VA CLD +18 HR: 24/2014Z SFC/FL400 S2045 W17545 - S1845 W17530 - S1900 W17430 - S2045 W17500
W17530 - S1900 W17430 - S2045 W17500
RMK: ASHFALL LIKELY CONFINED TO VCY OF THE VOLCANO. HEIGHTS
BASED ON PILOT REPORT FROM 0050Z, IR SATELLITE IMAGE AND
MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211224/0814Z=
Volcanic Ash Advisory issued on 2021-12-23 at 20:29 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-12-19 20:30 utc ongoing, cyclic eruption with plume extending to flight level 10200m.
  • Ashfall likely confined to vcy of the volcano. Based on pilot report from 19:30 utc infrared satellite image and model sounding.

Original Message :

Received FVPS01 at 20:29 UTC, 23/12/21 from NZKL
VA ADVISORY
DTG: 20211223/2029Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/17
INFO SOURCE: H8 SAT, TONGA MET, PILOT REPORT
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20211219/2030Z ONGOING, CYCLIC
ERUPTION WITH PLUME EXTENDING TO FL340.
OBS VA DTG: 23/2029Z
OBS VA CLD: SFC/FL340 S2045 W17545 - S1930 W17600 - S1930 W17500 - S2045 W17500 MOV NE 10KT
W17500 - S2045 W17500 MOV NE 10KT
FCST VA CLD +6 HR: 24/0229Z SFC/FL340 S2045 W17545 - S1930 W17600 - S1930 W17445 - S2045 W17500
W17600 - S1930 W17445 - S2045 W17500
FCST VA CLD +12 HR: 24/0829Z SFC/FL340 S2045 W17545 - S1930 W17600 - S1930 W17445 - S2045 W17500
W17600 - S1930 W17445 - S2045 W17500
FCST VA CLD +18 HR: 24/1429Z SFC/FL340 S2045 W17545 - S1930 W17600 - S1930 W17445 - S2045 W17500
W17600 - S1930 W17445 - S2045 W17500
RMK: ASHFALL LIKELY CONFINED TO VCY OF THE VOLCANO. HEIGHTS
BASED ON PILOT REPORT FROM 1930Z, IR SATELLITE IMAGE AND
MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211224/0229Z=
Volcanic Ash Advisory issued on 2021-12-23 at 14:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing, intermittent eruption with plume extending to flight level 12000m.
  • Volcanic ash not identifiable on satellite imagery, however ash likely confined to vcy of the volcano. Based on surface obs, infrared satellite image and model sounding.

Original Message :

Received FVPS01 at 14:40 UTC, 23/12/21 from NZKL
VA ADVISORY
DTG: 20211223/1440Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/16
INFO SOURCE: HIMAWARI 8, TONGA MET
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ONGOING, INTERMITTENT ERUPTION WITH PLUME
EXTENDING TO FL400.
OBS VA DTG: 23/1440Z
OBS VA CLD: SFC/FL400 S2045 W17545 - S1945 W17545 - S1945 W17500 - S2045 W17500 MOV NE 10KT
W17500 - S2045 W17500 MOV NE 10KT
FCST VA CLD +6 HR: 23/2040Z SFC/FL400 S2045 W17545 - S1945 W17545 - S1945 W17500 - S2045 W17500
W17545 - S1945 W17500 - S2045 W17500
FCST VA CLD +12 HR: 24/0240Z SFC/FL400 S2045 W17545 - S1945 W17545 - S1945 W17500 - S2045 W17500
W17545 - S1945 W17500 - S2045 W17500
FCST VA CLD +18 HR: 24/0840Z SFC/FL400 S2045 W17545 - S1945 W17545 - S1945 W17500 - S2045 W17500
W17545 - S1945 W17500 - S2045 W17500
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY, HOWEVER ASH
LIKELY CONFINED TO VCY OF THE VOLCANO. HEIGHTS BASED ON SFC
OBS, IR SATELLITE IMAGE AND MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211223/2040Z=
Volcanic Ash Advisory issued on 2021-12-23 at 08:59 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing, intermittent eruption with plume extending to flight level 6000m.
  • Previous volcanic ash area clear of meteorological cloud and not identifiable on satellite imagery, however ash likely confined to vcy of the volcano. Based on surface obs, infrared satellite image and model sounding.

Original Message :

Received FVPS01 at 08:59 UTC, 23/12/21 from NZKL
VA ADVISORY
DTG: 20211223/0859Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/15
INFO SOURCE: HIMAWARI 8, TONGA MET
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ONGOING, INTERMITTENT ERUPTION WITH PLUME
EXTENDING TO FL200.
OBS VA DTG: 23/0859Z
OBS VA CLD: SFC/FL200 S2045 W17515 - S2045 W17545 - S2000 W17545 - S2000 W17515 MOV NE 10KT
W17545 - S2000 W17515 MOV NE 10KT
FCST VA CLD +6 HR: 23/1459Z SFC/FL200 S2045 W17515 - S2045 W17600 - S1945 W17600 - S1945 W17515
W17600 - S1945 W17600 - S1945 W17515
FCST VA CLD +12 HR: 23/2059Z SFC/FL200 S2045 W17515 - S2045 W17600 - S1945 W17600 - S1945 W17515
W17600 - S1945 W17600 - S1945 W17515
FCST VA CLD +18 HR: 24/0259Z SFC/FL200 S2045 W17515 - S2045 W17600 - S1945 W17600 - S1945 W17515
W17600 - S1945 W17600 - S1945 W17515
RMK: PREVIOUS VA AREA CLEAR OF MET CLD AND NOT IDENTIFIABLE
ON SATELLITE IMAGERY, HOWEVER ASH LIKELY CONFINED TO VCY OF
THE VOLCANO. HEIGHTS BASED ON SFC OBS, IR SATELLITE IMAGE
AND MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211223/1459Z=
Volcanic Ash Advisory issued on 2021-12-23 at 03:14 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing, intermittent eruption with plume extending to flight level 10200m.
  • Ongoing intermittent eruption. Cloud drifting north based on infrared satellite image and model sounding.

Original Message :

Received FVPS01 at 03:14 UTC, 23/12/21 from NZKL
VA ADVISORY
DTG: 20211223/0314Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/14
INFO SOURCE: HIMAWARI 8, TONGA MET, PIREP
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ONGOING, INTERMITTENT ERUPTION WITH PLUME
EXTENDING TO FL340.
OBS VA DTG: 23/0314Z
OBS VA CLD: SFC/FL340 S2030 W17515 - S2030 W17545 - S1700 W17515 - S1700 W17415 MOV NE 20KT
W17515 - S1700 W17415 MOV NE 20KT
FCST VA CLD +6 HR: 23/0914Z SFC/FL340 S2030 W17500 - S2030 W17600 - S2000 W17615 - S1645 W17545 - S1645 W17445
W17600 - S2000 W17615 - S1645 W17545 - S1645 W17445
FCST VA CLD +12 HR: 23/1514Z SFC/FL340 S2030 W17545 - S1945 W17630 - S1615 W17600 - S1615 W17500 - S2030 W17500
W17630 - S1615 W17600 - S1615 W17500 - S2030 W17500
FCST VA CLD +18 HR: 23/2114Z SFC/FL340 S2030 W17545 - S1945 W17630 - S1615 W17645 - S1600 W17545 - S2030 W17500
W17630 - S1615 W17645 - S1600 W17545 - S2030 W17500
RMK: ONGOING INTERMITTENT ERUPTION. CLD DRIFTING N. HEIGHTS
BASED ON IR SATELLITE IMAGE AND MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211223/0914Z=
Volcanic Ash Advisory issued on 2021-12-22 at 21:22 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing, intermittent eruption with plume extending to flight level 10800m.
  • Ongoing intermittent eruption. Cloud drifting nne. Based on pilot report, infrared satellite image and model sounding. Pilot report received at 221800z.

Original Message :

Received FVPS01 at 21:22 UTC, 22/12/21 from NZKL
VA ADVISORY
DTG: 20211222/2122Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/13
INFO SOURCE: HIMAWARI 8, TONGA MET, PIREP
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ONGOING, INTERMITTENT ERUPTION WITH PLUME
EXTENDING TO FL360.
EST VA DTG: 22/2122Z
EST VA CLD: SFC/FL360 S2030 W17530 - S1815 W17445 - S1830 W17400 - S2045 W17500 MOV NE 20KT
W17400 - S2045 W17500 MOV NE 20KT
FCST VA CLD +6 HR: 23/0322Z SFC/FL400 S2030 W17530 - S1715 W17500 - S1715 W17400 - S2045 W17500
W17500 - S1715 W17400 - S2045 W17500
FCST VA CLD +12 HR: 23/0922Z SFC/FL400 S2030 W17530 - S1700 W17515 - S1700 W17415 - S2045 W17500
W17515 - S1700 W17415 - S2045 W17500
FCST VA CLD +18 HR: 23/1522Z SFC/FL400 S2030 W17530 - S1700 W17545 - S1700 W17445 - S2045 W17500
W17545 - S1700 W17445 - S2045 W17500
RMK: ONGOING INTERMITTENT ERUPTION. CLD DRIFTING NNE.
HEIGHTS BASED ON PILOT REPORT, IR SATELLITE IMAGE AND MODEL
SOUNDING. PILOT REPORT RECEIVED AT 221800Z
NXT ADVISORY: NO LATER THAN 20211223/0322Z=
Volcanic Ash Advisory issued on 2021-12-22 at 15:36 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous eruption with plume extending to flight level 12000m.
  • Pilot report at 220500z eruption continuously active and cloud drifting nne. Based on pilot report, infrared satellite image and model sounding.

Original Message :

Received FVPS01 at 15:36 UTC, 22/12/21 from NZKL
VA ADVISORY
DTG: 20211222/1536Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/12
INFO SOURCE: HIMAWARI 8, TONGA MET, PIREP
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: CONTINUOUS ERUPTION WITH PLUME EXTENDING
TO FL400.
EST VA DTG: 22/1536Z
EST VA CLD: SFC/FL400 S2030 W17530 - S1715 W17430 - S1730 W17330 - S2045 W17500 MOV NE 20KT
W17330 - S2045 W17500 MOV NE 20KT
FCST VA CLD +6 HR: 22/2136Z SFC/FL400 S2030 W17530 - S1715 W17430 - S1730 W17330 - S2045 W17500
W17430 - S1730 W17330 - S2045 W17500
FCST VA CLD +12 HR: 23/0336Z SFC/FL400 S2030 W17530 - S1715 W17430 - S1730 W17330 - S2045 W17500
W17430 - S1730 W17330 - S2045 W17500
FCST VA CLD +18 HR: 23/0936Z SFC/FL400 S2030 W17530 - S1715 W17430 - S1730 W17330 - S2045 W17500
W17430 - S1730 W17330 - S2045 W17500
RMK: PILOT REPORT AT 220500Z ERUPTION CONTINUOUSLY ACTIVE
AND CLD DRIFTING NNE. HEIGHTS BASED ON PILOT REPORT, IR
SATELLITE IMAGE AND MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211222/2136Z=
Volcanic Ash Advisory issued on 2021-12-22 at 11:57 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous eruption with plume extending to flight level 12000m.
  • Faint volcanic ash plume identifiable in satellite imagey. Pilot report at 220500z eruption continuously active and cloud drifting nne. Based on pilot report, infrared satellite image and model sounding.

Original Message :

Received FVPS01 at 11:57 UTC, 22/12/21 from NZKL
VA ADVISORY
DTG: 20211222/1157Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/11
INFO SOURCE: HIMAWARI 8, TONGA MET, PIREP
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: CONTINUOUS ERUPTION WITH PLUME EXTENDING
TO FL400.
EST VA DTG: 22/1157Z
EST VA CLD: SFC/FL400 S2030 W17530 - S1715 W17430 - S1730 W17330 - S2045 W17500 MOV NE 20KT
W17330 - S2045 W17500 MOV NE 20KT
FCST VA CLD +6 HR: 22/1757Z SFC/FL400 S2030 W17530 - S1715 W17430 - S1730 W17330 - S2045 W17500
W17430 - S1730 W17330 - S2045 W17500
FCST VA CLD +12 HR: 22/2357Z SFC/FL400 S2030 W17530 - S1715 W17430 - S1730 W17330 - S2045 W17500
W17430 - S1730 W17330 - S2045 W17500
FCST VA CLD +18 HR: 23/0557Z SFC/FL400 S2030 W17530 - S1715 W17430 - S1730 W17330 - S2045 W17500
W17430 - S1730 W17330 - S2045 W17500
RMK: FAINT VA PLUME IDENTIFIABLE IN SATELLITE IMAGEY. PILOT
REPORT AT 220500Z ERUPTION CONTINUOUSLY ACTIVE AND CLD
DRIFTING NNE. HEIGHTS BASED ON PILOT REPORT, IR SATELLITE
IMAGE AND MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211222/1757Z=
Volcanic Ash Advisory issued on 2021-12-22 at 06:41 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous eruption with plume extending to flight level 12000m.
  • Faint volcanic ash plume identifiable in satellite imagey. Pilot report at 220500z eruption continuously active and cloud drifting nne. Based on pilot report, infrared satellite image and model sounding.

Original Message :

Received FVPS01 at 06:41 UTC, 22/12/21 from NZKL
VA ADVISORY
DTG: 20211222/0641Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/10
INFO SOURCE: HIMAWARI 8, TONGA MET, PIREP
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: CONTINUOUS ERUPTION WITH PLUME EXTENDING
TO FL400.
EST VA DTG: 22/0641Z
EST VA CLD: SFC/FL400 S2030 W17530 - S1630 W17415 - S1700 W17315 - S2045 W17500 MOV NE 20KT
W17315 - S2045 W17500 MOV NE 20KT
FCST VA CLD +6 HR: 22/1241Z SFC/FL400 S2030 W17530 - S1630 W17415 - S1700 W17315 - S2045 W17500
W17415 - S1700 W17315 - S2045 W17500
FCST VA CLD +12 HR: 22/1841Z SFC/FL400 S2030 W17530 - S1630 W17415 - S1700 W17315 - S2045 W17500
W17415 - S1700 W17315 - S2045 W17500
FCST VA CLD +18 HR: 23/0041Z SFC/FL400 S2030 W17530 - S1630 W17415 - S1700 W17315 - S2045 W17500
W17415 - S1700 W17315 - S2045 W17500
RMK: FAINT VA PLUME IDENTIFIABLE IN SATELLITE IMAGEY. PILOT
REPORT AT 220500Z ERUPTION CONTINUOUSLY ACTIVE AND CLD
DRIFTING NNE. HEIGHTS BASED ON PILOT REPORT, IR SATELLITE
IMAGE AND MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20211222/1241Z=
Volcanic Ash Advisory issued on 2021-12-22 at 00:59 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous eruption with plume extending to flight level 12000m.
  • Continuous eruption. Pilot report of eruption extending to 300-400 plume discernible in sat imagery. Based off infrared sat, ec data and pilot report.

Original Message :

Received FVPS01 at 00:59 UTC, 22/12/21 from NZKL
VA ADVISORY
DTG: 20211222/0059Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/9
INFO SOURCE: HIMAWARI 8, TONGA MET, PIREP
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: CONTINUOUS ERUPTION WITH PLUME EXTENDING
TO FL400.
EST VA DTG: 22/0059Z
EST VA CLD: SFC/FL400 S2030 W17530 - S1945 W17530 - S1915 W17500 - S1630 W17415 - S1700 W17315 - S2045 W17500 MOV NE 20KT
20KT
FCST VA CLD +6 HR: 22/0659Z SFC/FL400 S2030 W17530 - S1945 W17530 - S1915 W17500 - S1630 W17415 - S1700 W17315 - S2045 W17500
W17500
FCST VA CLD +12 HR: 22/1259Z SFC/FL400 S2030 W17530 - S1945 W17530 - S1915 W17500 - S1630 W17415 - S1700 W17315 - S2045 W17500
W17500
FCST VA CLD +18 HR: 22/1859Z SFC/FL400 S2030 W17530 - S1945 W17530 - S1915 W17500 - S1630 W17415 - S1700 W17315 - S2045 W17500
W17500
RMK: CONTINUOUS ERUPTION. PILOT REPORT OF ERUPTION EXTENDING
TO FL300-FL400. PLUME DISCERNIBLE IN SAT IMAGERY. HEIGHTS
BASED OFF IR SAT, EC DATA AND PILOT REPORT.
NXT ADVISORY: NO LATER THAN 20211222/0659Z=
Volcanic Ash Advisory issued on 2021-12-21 at 19:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Pilot report of ongoing eruption extending to flight level 12000m.
  • Intermittent eruptions. Pilot report of eruption extending to flight level 12000m plume discernible in sat imagery. Based off pilot report, infrared sat and ec data.

Original Message :

Received FVPS01 at 19:05 UTC, 21/12/21 from NZKL
VA ADVISORY
DTG: 20211221/1905Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/8
INFO SOURCE: HIMAWARI 8, PIREP, TONGA MET
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: PILOT REPORT OF ONGOING ERUPTION EXTENDING
TO FL400.
EST VA DTG: 21/1905Z
EST VA CLD: SFC/FL400 S2030 W17530 - S2000 W17545 - S1915 W17500 - S1715 W17415 - S1730 W17330 - S2045 W17500 MOV NE 20KT
20KT
FCST VA CLD +6 HR: 22/0105Z SFC/FL400 S2030 W17530 - S2000 W17545 - S1915 W17500 - S1715 W17415 - S1730 W17330 - S2045 W17500
W17500
FCST VA CLD +12 HR: 22/0705Z SFC/FL400 S2030 W17530 - S2000 W17545 - S1915 W17500 - S1715 W17415 - S1730 W17330 - S2045 W17500
W17500
FCST VA CLD +18 HR: 22/1305Z SFC/FL400 S2030 W17530 - S2000 W17545 - S1915 W17500 - S1715 W17415 - S1730 W17330 - S2045 W17500
W17500
RMK: INTERMITTENT ERUPTIONS. PILOT REPORT OF ERUPTION
EXTENDING TO FL400. PLUME DISCERNIBLE IN SAT IMAGERY.
HEIGHTS BASED OFF PILOT REPORT, IR SAT AND EC DATA.
NXT ADVISORY: NO LATER THAN 20211222/0105Z=
Volcanic Ash Advisory issued on 2021-12-21 at 13:14 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Pilot report of ongoing eruption extending to flight level 12000m.
  • Intermittent eruptions. Pilot report of eruption extending to flight level 12000m plume discernible in sat imagery. Based off pilot report, infrared sat and ec data.

Original Message :

Received FVPS01 at 13:14 UTC, 21/12/21 from NZKL
VA ADVISORY
DTG: 20211221/1314Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/7
INFO SOURCE: HIMAWARI 8, PIREP, TONGA MET
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: PILOT REPORT OF ONGOING ERUPTION EXTENDING
TO FL400.
EST VA DTG: 21/1314Z
EST VA CLD: SFC/FL400 S2030 W17530 - S1830 W17445 - S1845 W17400 - S2045 W17515 MOV NE 20KT
W17400 - S2045 W17515 MOV NE 20KT
FCST VA CLD +6 HR: 21/1914Z SFC/FL400 S2030 W17530 - S1830 W17445 - S1845 W17400 - S2045 W17515
W17445 - S1845 W17400 - S2045 W17515
FCST VA CLD +12 HR: 22/0114Z SFC/FL400 S2030 W17530 - S1830 W17445 - S1845 W17400 - S2045 W17515
W17445 - S1845 W17400 - S2045 W17515
FCST VA CLD +18 HR: 22/0714Z SFC/FL400 S2030 W17530 - S1830 W17445 - S1845 W17400 - S2045 W17515
W17445 - S1845 W17400 - S2045 W17515
RMK: INTERMITTENT ERUPTIONS. PILOT REPORT OF ERUPTION
EXTENDING TO FL400. PLUME DISCERNIBLE IN SAT IMAGERY.
HEIGHTS BASED OFF PILOT REPORT, IR SAT AND EC DATA.
NXT ADVISORY: NO LATER THAN 20211221/1914Z=
Volcanic Ash Advisory issued on 2021-12-21 at 07:42 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Pilot report of ongoing eruption extending to flight level 12000m.
  • Pilot report of ongoing eruption extending to flight level 12000m plume discenible in sat imagery. Based off pilot report, infrared sat and ec data.

Original Message :

Received FVPS01 at 07:42 UTC, 21/12/21 from NZKL
VA ADVISORY
DTG: 20211221/0742Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/6
INFO SOURCE: HIMAWARI 8, PIREP, TONGA MET
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: PILOT REPORT OF ONGOING ERUPTION EXTENDING
TO FL400.
EST VA DTG: 21/0742Z
EST VA CLD: SFC/FL400 S2030 W17530 - S1830 W17445 - S1845 W17400 - S2045 W17515 MOV NE 20KT
W17400 - S2045 W17515 MOV NE 20KT
FCST VA CLD +6 HR: 21/1342Z SFC/FL400 S2030 W17530 - S1830 W17445 - S1845 W17400 - S2045 W17515
W17445 - S1845 W17400 - S2045 W17515
FCST VA CLD +12 HR: 21/1942Z SFC/FL400 S2030 W17530 - S1830 W17445 - S1845 W17400 - S2045 W17515
W17445 - S1845 W17400 - S2045 W17515
FCST VA CLD +18 HR: 22/0142Z SFC/FL400 S2030 W17530 - S1830 W17445 - S1845 W17400 - S2045 W17515
W17445 - S1845 W17400 - S2045 W17515
RMK: PILOT REPORT OF ONGOING ERUPTION EXTENDING TO FL400.
PLUME DISCENIBLE IN SAT IMAGERY. HEIGHTS BASED OFF PILOT
REPORT, IR SAT AND EC DATA.
NXT ADVISORY: NO LATER THAN 20211221/1342Z=
Volcanic Ash Advisory issued on 2021-12-21 at 01:58 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Pilot report of ongoing eruption extending to 200-250.
  • Pilot report of ongoing eruption extending to 200-250 plume discenible in sat imagery. Based off pilot report and ec data.

Original Message :

Received FVPS01 at 01:58 UTC, 21/12/21 from NZKL
VA ADVISORY
DTG: 20211221/0158Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/5
INFO SOURCE: HIMAWARI 8, PIREP, TONGA MET
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: PILOT REPORT OF ONGOING ERUPTION EXTENDING
TO FL200-FL250.
EST VA DTG: 21/0158Z
EST VA CLD: SFC/FL250 S2030 W17530 - S1830 W17500 - S1845 W17415 - S2045 W17515 MOV NE 20KT
W17415 - S2045 W17515 MOV NE 20KT
FCST VA CLD +6 HR: 21/0758Z SFC/FL250 S2030 W17530 - S1830 W17500 - S1845 W17415 - S2045 W17515
W17500 - S1845 W17415 - S2045 W17515
FCST VA CLD +12 HR: 21/1358Z SFC/FL250 S2030 W17530 - S1830 W17500 - S1845 W17415 - S2045 W17515
W17500 - S1845 W17415 - S2045 W17515
FCST VA CLD +18 HR: 21/1958Z SFC/FL250 S2030 W17530 - S1830 W17500 - S1845 W17415 - S2045 W17515
W17500 - S1845 W17415 - S2045 W17515
RMK: PILOT REPORT OF ONGOING ERUPTION EXTENDING TO
FL200-FL250. PLUME DISCENIBLE IN SAT IMAGERY. HEIGHTS BASED
OFF PILOT REPORT AND EC DATA.
NXT ADVISORY: NO LATER THAN 20211221/0758Z=
Volcanic Ash Advisory issued on 2021-12-20 at 20:09 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level eruption observed on sat imagery.
  • Based on satellite cloud top of clouds temperatures and ec model data.

Original Message :

Received FVPS01 at 20:09 UTC, 20/12/21 from NZKL
VA ADVISORY
DTG: 20211220/2009Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/4
INFO SOURCE: HIMAWARI 8 SAT IMAGE
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: HIGH LEVEL ERUPTION OBSERVED ON SAT
IMAGERY.
EST VA DTG: 20/2009Z
EST VA CLD: SFC/FL250 S2045 W17545 - S2015 W17600 - S2000 W17515 - S2045 W17500 MOV N 10KT FL200/400 S2045 W17515 - S2015 W17530 - S1830 W17500 - S1845 W17415 MOV N 20KT
S2015 W17530 - S1830 W17500 - S1845 W17415 MOV N 20KT
FCST VA CLD +6 HR: 21/0209Z SFC/FL250 S2045 W17500 - S2045 W17600 - S2000 W17615 - S1945 W17515 FL200/400 S2030 W17530 - S1645 W17500 - S1700 W17345 - S2045 W17515
- S1645 W17500 - S1700 W17345 - S2045 W17515
FCST VA CLD +12 HR: 21/0809Z SFC/FL250 S2045 W17500 - S2045 W17600 - S2000 W17615 - S1945 W17515 FL200/400 S2015 W17500 - S2000 W17515 - S1645 W17500 - S1715 W17345
- S2000 W17515 - S1645 W17500 - S1715 W17345
FCST VA CLD +18 HR: 21/1409Z SFC/FL250 S2045 W17500 - S2045 W17600 - S2000 W17615 - S1945 W17515
W17600 - S2000 W17615 - S1945 W17515
RMK: HEIGHTS BASED ON SATELLITE CLOUD TOP TEMPERATURES AND
EC MODEL DATA.
NXT ADVISORY: NO LATER THAN 20211221/0209Z=
Volcanic Ash Advisory issued on 2021-12-20 at 19:38 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • High level eruption observed on sat imagery.
  • More information to follow shortly.

Original Message :

Received FVPS01 at 19:38 UTC, 20/12/21 from NZKL
VA ADVISORY
DTG: 20211220/1938Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/3
INFO SOURCE: HIMAWARI 8 SAT IMAGE
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: HIGH LEVEL ERUPTION OBSERVED ON SAT
IMAGERY.
OBS VA DTG: 20/1750Z
OBS VA CLD: SFC/FL400 S2030 W17530 - S1945 W17500 - S2000 W17445 - S2045 W17530 MOV NE 20KT
W17445 - S2045 W17530 MOV NE 20KT
FCST VA CLD +6 HR: 20/2350Z NOT AVBL
FCST VA CLD +12 HR: 21/0550Z NOT AVBL
FCST VA CLD +18 HR: 21/1150Z NOT AVBL
RMK: MORE INFORMATION TO FOLLOW SHORTLY.
NXT ADVISORY: NO LATER THAN 20211221/0138Z=
Volcanic Ash Advisory issued on 2021-12-19 at 22:09 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Steam.
  • Satellite imagery indicates steam plume with no ash identifiable. Will update if more information available.

Original Message :

Received FVPS01 at 22:09 UTC, 19/12/21 from NZKL
VA ADVISORY
DTG: 20211219/2209Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/2
INFO SOURCE: TONGA MET SERVICES AND SAT IMAGE
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: STEAM PLUME.
OBS VA DTG: 19/2209Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL010 100/10KT
FCST VA CLD +6 HR: 20/0409Z NO VA EXP
FCST VA CLD +12 HR: 20/1009Z NO VA EXP
FCST VA CLD +18 HR: 20/1609Z NO VA EXP
RMK: SATELLITE IMAGERY INDICATES STEAM PLUME WITH NO ASH
IDENTIFIABLE. WILL UPDATE IF MORE INFORMATION BECOMES
AVAILABLE.
NXT ADVISORY: NO FURTHER ADVISORIES=
Volcanic Ash Advisory issued on 2021-12-19 at 21:41 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuos plume of smoke/steam. Tops continuing to rise.
  • More information to follow shortly.

Original Message :

Received FVPS01 at 21:41 UTC, 19/12/21 from NZKL
VA ADVISORY
DTG: 20211219/2141Z
VAAC: WELLINGTON
VOLCANO: HUNGA TONGA-HUNGA HA'APAI 243040
PSN: S2032 W17523
AREA: TONGA
SUMMIT ELEV: 114M
ADVISORY NR: 2021/1
INFO SOURCE: TONGA MET SERVICES AND SAT IMAGE
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: CONTINUOS PLUME OF SMOKE/STEAM. TOPS
CONTINUING TO RISE
EST VA DTG: 19/2141Z
EST VA CLD: SFC/FL200 S2045 W17530 - S2015 W17530 - S2015 W17500 - S2045 W17500 MOV E 10KT
W17500 - S2045 W17500 MOV E 10KT
FCST VA CLD +6 HR: 20/0341Z NOT AVBL
FCST VA CLD +12 HR: 20/0941Z NOT AVBL
FCST VA CLD +18 HR: 20/1541Z NOT AVBL
RMK: MORE INFORMATION TO FOLLOW SHORTLY
NXT ADVISORY: NO LATER THAN 20211220/0341Z=