Overall Green Volcanic eruption alert for Merapi in Indonesia on 23 Jan 2024 08:31 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

Overall Green alert Volcanic eruption for Merapi

in Indonesia

Volcano Ash Advisories for air traffic

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

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

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

24 Jan 11:17 25 Jan 00:14 25 Jan 05:20 25 Jan 11:20 25 Jan 17:20 25 Jan 23:20 26 Jan 05:20 26 Jan 11:20 26 Jan 17:20 26 Jan 23:20 27 Jan 05:20

27/01 05:20 2024-12 DARWIN

26/01 23:20 2024-11 DARWIN

26/01 17:20 2024-10 DARWIN

26/01 11:20 2024-9 DARWIN

26/01 05:20 2024-8 DARWIN

25/01 23:20 2024-7 DARWIN

25/01 17:20 2024-6 DARWIN

25/01 11:20 2024-5 DARWIN

25/01 05:20 2024-4 DARWIN

25/01 00:14 2024-3 DARWIN

24/01 11:17 2024-2 DARWIN

21/01 09:30 2024-1 DARWIN

Volcanic Ash Advisory issued on 2024-01-27 at 05:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud and is expected to have dissipated. No further reports of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU03 at 05:19 UTC, 27/01/24 from ADRM
VA ADVISORY
DTG: 20240127/0520Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/12
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL120 LAST OBS AT 26/0040Z MOV SE
EST VA DTG: 27/0510Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL120 300/10KT
FCST VA CLD +6 HR: 27/1110Z NO VA EXP
FCST VA CLD +12 HR: 27/1710Z NO VA EXP
FCST VA CLD +18 HR: 27/2310Z NO VA EXP
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD AND IS EXPECTED TO HAVE DISSIPATED. NO FURTHER
REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=

Volcanic Ash Advisory issued on 2024-01-26 at 23:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected and expected to dissipate volcanic ash height and movement based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 23:19 UTC, 26/01/24 from ADRM
VA ADVISORY
DTG: 20240126/2320Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/11
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL120 LAST OBS AT 26/0040Z MOV SE
EST VA DTG: 26/2310Z
EST VA CLD: SFC/FL120 S0733 E11023 - S0726 E11026 - S0733 E11051 - S0750 E11042 MOV SE 10KT
E11051 - S0750 E11042 MOV SE 10KT
FCST VA CLD +6 HR: 27/0510Z NO VA EXP
FCST VA CLD +12 HR: 27/1110Z NO VA EXP
FCST VA CLD +18 HR: 27/1710Z NO VA EXP
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD, HOWEVER LOCALISED VA EMISSION STILL EXPECTED
AND EXPECTED TO DISSIPATE WITHIN 6HRS. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20240127/0520Z=

Volcanic Ash Advisory issued on 2024-01-26 at 17:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash height and movement based on satellite imagery, pilot weather report and model guidance.

Original Message :

Received FVAU04 at 17:15 UTC, 26/01/24 from ADRM
VA ADVISORY
DTG: 20240126/1720Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/10
INFO SOURCE: HIMAWARI-9, WEBCAM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL120 LAST OBS AT 26/0040Z MOV SE
EST VA DTG: 26/1700Z
EST VA CLD: SFC/FL120 S0732 E11022 - S0726 E11026 - S0734 E11051 - S0749 E11041 MOV SE 05KT
E11051 - S0749 E11041 MOV SE 05KT
FCST VA CLD +6 HR: 26/2300Z SFC/FL120 S0732 E11022 - S0726 E11027 - S0731 E11053 - S0747 E11044
E11027 - S0731 E11053 - S0747 E11044
FCST VA CLD +12 HR: 27/0500Z SFC/FL120 S0732 E11022 - S0726 E11026 - S0731 E11053 - S0747 E11044
E11026 - S0731 E11053 - S0747 E11044
FCST VA CLD +18 HR: 27/1100Z SFC/FL120 S0732 E11022 - S0726 E11026 - S0731 E11053 - S0747 E11044
E11026 - S0731 E11053 - S0747 E11044
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD, HOWEVER LOCALISED VA EMISSION STILL EXPECTED.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, PIREP AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20240126/2320Z=

Volcanic Ash Advisory issued on 2024-01-26 at 11:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash height and movement based on satellite imagery, pilot weather report and model guidance.

Original Message :

Received FVAU04 at 11:18 UTC, 26/01/24 from ADRM
VA ADVISORY
DTG: 20240126/1120Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/9
INFO SOURCE: HIMAWARI-9, WEBCAM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL120 LAST OBS AT 26/0040Z MOV SE
EST VA DTG: 26/1100Z
EST VA CLD: SFC/FL120 S0732 E11022 - S0725 E11027 - S0737 E11053 - S0753 E11039 MOV SE 10KT
E11053 - S0753 E11039 MOV SE 10KT
FCST VA CLD +6 HR: 26/1700Z SFC/FL120 S0732 E11022 - S0726 E11026 - S0735 E11054 - S0751 E11043
E11026 - S0735 E11054 - S0751 E11043
FCST VA CLD +12 HR: 26/2300Z SFC/FL120 S0732 E11022 - S0726 E11027 - S0731 E11053 - S0747 E11044
E11027 - S0731 E11053 - S0747 E11044
FCST VA CLD +18 HR: 27/0500Z SFC/FL120 S0732 E11022 - S0726 E11026 - S0731 E11053 - S0747 E11044
E11026 - S0731 E11053 - S0747 E11044
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD, HOWEVER LOCALISED VA EMISSION STILL EXPECTED.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, PIREP AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20240126/1720Z=

Volcanic Ash Advisory issued on 2024-01-26 at 05:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 120 (3600m) last observation before a break in coverage at a manual station observation at 26 0040 UTC move se.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash height and movement based on satellite imagery, pilot weather report and model guidance.

Original Message :

Received FVAU04 at 05:20 UTC, 26/01/24 from ADRM
VA ADVISORY
DTG: 20240126/0520Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/8
INFO SOURCE: HIMAWARI-9, WEBCAM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL120 LAST OBS AT 26/0040Z MOV SE
EST VA DTG: 26/0510Z
EST VA CLD: SFC/FL120 S0730 E11020 - S0724 E11027 - S0741 E11054 - S0759 E11033 MOV SE 10KT
E11054 - S0759 E11033 MOV SE 10KT
FCST VA CLD +6 HR: 26/1110Z SFC/FL120 S0732 E11022 - S0725 E11027 - S0737 E11053 - S0753 E11039
E11027 - S0737 E11053 - S0753 E11039
FCST VA CLD +12 HR: 26/1710Z SFC/FL120 S0732 E11022 - S0726 E11026 - S0735 E11054 - S0751 E11043
E11026 - S0735 E11054 - S0751 E11043
FCST VA CLD +18 HR: 26/2310Z SFC/FL120 S0732 E11022 - S0726 E11027 - S0734 E11058 - S0752 E11049
E11027 - S0734 E11058 - S0752 E11049
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD, HOWEVER LOCALISED VA EMISSION STILL EXPECTED.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, PIREP AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20240126/1120Z=

Volcanic Ash Advisory issued on 2024-01-25 at 23:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 110 (3300m) last observation before a break in coverage at a manual station observation at 25 0400 UTC.
Volcanic ash currently not identifiable on satellite imagery due to darkness, however localised volcanic ash emission still expected. Volcanic ash is expected to dissipate volcanic ash height and movement based on satellite imagery and model guidance.

Original Message :

Received FVAU04 at 23:20 UTC, 25/01/24 from ADRM
VA ADVISORY
DTG: 20240125/2320Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/7
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL110 LAST OBS AT 25/0400Z
EST VA DTG: 25/2310Z
EST VA CLD: SFC/FL110 S0727 E11027 - S0731 E11035 - S0738 E11033 - S0739 E11024 - S0733 E11021 MOV SE 05KT
E11033 - S0739 E11024 - S0733 E11021 MOV SE 05KT
FCST VA CLD +6 HR: 26/0510Z NO VA EXP
FCST VA CLD +12 HR: 26/1110Z NO VA EXP
FCST VA CLD +18 HR: 26/1710Z NO VA EXP
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO DARKNESS, HOWEVER LOCALISED VA EMISSION STILL EXPECTED.
VA IS EXPECTED TO DISSIPATE WITHIN 6HRS. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20240126/0520Z=

Volcanic Ash Advisory issued on 2024-01-25 at 17:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 110 (3300m) last observation before a break in coverage at a manual station observation at 25 0400 UTC.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash is expected to dissipate volcanic ash height and movement based on satellite imagery, surabaya 25 1200 UTC sounding and model guidance.

Original Message :

Received FVAU04 at 17:15 UTC, 25/01/24 from ADRM
VA ADVISORY
DTG: 20240125/1720Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/6
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL110 LAST OBS AT 25/0400Z
EST VA DTG: 25/1700Z
EST VA CLD: SFC/FL110 S0737 E11022 - S0727 E11022 - S0728 E11034 - S0737 E11034 MOV E 05KT
E11034 - S0737 E11034 MOV E 05KT
FCST VA CLD +6 HR: 25/2300Z SFC/FL110 S0733 E11021 - S0726 E11028 - S0732 E11035 - S0739 E11029
E11028 - S0732 E11035 - S0739 E11029
FCST VA CLD +12 HR: 26/0500Z NO VA EXP
FCST VA CLD +18 HR: 26/1100Z NO VA EXP
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD, HOWEVER LOCALISED VA EMISSION STILL EXPECTED.
VA IS EXPECTED TO DISSIPATE WITHIN 12HRS. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY, SURABAYA 25/1200Z
SOUNDING AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20240125/2320Z=

Volcanic Ash Advisory issued on 2024-01-25 at 11:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 110 (3300m) last observation before a break in coverage at a manual station observation at 25 0400 UTC.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however localised volcanic ash emission still expected. Volcanic ash is expected to dissipate volcanic ash height and movement based on satellite imagery, surabaya 25 0000 UTC sounding and model guidance.

Original Message :

Received FVAU04 at 11:19 UTC, 25/01/24 from ADRM
VA ADVISORY
DTG: 20240125/1120Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/5
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL110 LAST OBS AT 25/0400Z
EST VA DTG: 25/1100Z
EST VA CLD: SFC/FL110 S0727 E11022 - S0728 E11034 - S0737 E11034 - S0737 E11022 MOV E 05KT
E11034 - S0737 E11022 MOV E 05KT
FCST VA CLD +6 HR: 25/1700Z SFC/FL110 S0727 E11022 - S0728 E11034 - S0737 E11034 - S0737 E11022
E11034 - S0737 E11034 - S0737 E11022
FCST VA CLD +12 HR: 25/2300Z SFC/FL110 S0733 E11021 - S0726 E11028 - S0732 E11035 - S0739 E11029
E11028 - S0732 E11035 - S0739 E11029
FCST VA CLD +18 HR: 26/0500Z NO VA EXP
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
TO MET CLOUD, HOWEVER LOCALISED VA EMISSION STILL EXPECTED.
VA IS EXPECTED TO DISSIPATE WITHIN 18HRS. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY, SURABAYA 25/0000Z
SOUNDING AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20240125/1720Z=

Volcanic Ash Advisory issued on 2024-01-25 at 05:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 110 (3300m) last observation before a break in coverage at a manual station observation at 25 0400 UTC.
Volcanic ash not identifiable on satellite imagery due to meteorological cloud, however volcanic ash is still expected in the area. Height and movement based on satellite imagery, surabaya 25 0000 UTC sounding and model guidance.

Original Message :

Received FVAU04 at 05:19 UTC, 25/01/24 from ADRM
VA ADVISORY
DTG: 20240125/0520Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/4
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL110 LAST OBS AT 25/0400Z
EST VA DTG: 25/0500Z
EST VA CLD: SFC/FL110 S0726 E11028 - S0730 E11038 - S0741 E11034 - S0741 E11024 - S0735 E11020 - S0726 E11028 MOV E 05KT
05KT
FCST VA CLD +6 HR: 25/1100Z SFC/FL110 S0734 E11021 - S0724 E11028 - S0727 E11038 - S0736 E11038 - S0739 E11025
E11028 - S0727 E11038 - S0736 E11038 - S0739 E11025
FCST VA CLD +12 HR: 25/1700Z SFC/FL110 S0726 E11022 - S0728 E11036 - S0736 E11038 - S0740 E11029 - S0734 E11019
E11036 - S0736 E11038 - S0740 E11029 - S0734 E11019
FCST VA CLD +18 HR: 25/2300Z SFC/FL110 S0725 E11027 - S0731 E11037 - S0741 E11034 - S0741 E11024 - S0730 E11020
E11037 - S0741 E11034 - S0741 E11024 - S0730 E11020
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER VA IS STILL EXPECTED IN THE AREA. HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY, SURABAYA 25/0000Z
SOUNDING AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20240125/1120Z=

Volcanic Ash Advisory issued on 2024-01-25 at 00:14 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 100 (3000m) ext southwest observation at 24 2350 UTC.
Continuous volcanic ash identifiable on current satellite imagery. Height and movement based on satellite imagery, surabaya 24 1200 UTC sounding and model guidance.

Original Message :

Received FVAU04 at 00:14 UTC, 25/01/24 from ADRM
VA ADVISORY
DTG: 20240125/0014Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/3
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL100 EXT SW OBS AT 24/2350Z
OBS VA DTG: 24/2350Z
OBS VA CLD: SFC/FL100 S0733 E11028 - S0737 E11024 - S0735 E11020 - S0731 E11021 - S0731 E11027 MOV SW 05KT
E11020 - S0731 E11021 - S0731 E11027 MOV SW 05KT
FCST VA CLD +6 HR: 25/0550Z SFC/FL100 S0729 E11022 - S0726 E11032 - S0731 E11038 - S0737 E11035 - S0738 E11024 - S0736 E11018
E11018
FCST VA CLD +12 HR: 25/1150Z SFC/FL100 S0732 E11021 - S0726 E11026 - S0725 E11033 - S0731 E11038 - S0737 E11035 - S0738 E11024
E11024
FCST VA CLD +18 HR: 25/1750Z SFC/FL100 S0726 E11026 - S0727 E11033 - S0731 E11038 - S0739 E11033 - S0738 E11024 - S0730 E11020
E11020
RMK: CONTINUOUS VA IDENTIFIABLE ON CURRENT SATELLITE
IMAGERY. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
SURABAYA 24/1200Z SOUNDING AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20240125/0614Z=

Volcanic Ash Advisory issued on 2024-01-24 at 11:17 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Vona state eruption to flight level 140 (4200m) at 24 0900 UTC.
Cvghm report eruption to 1000m above summit. Volcanic ash currently obscured by meteorological cloud. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Received FVAU03 at 11:17 UTC, 24/01/24 from ADRM
VA ADVISORY
DTG: 20240124/1117Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/2
INFO SOURCE: CVGHM, HIMAWRI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VONA STATE ERUPTION TO FL140 AT 24/0900Z
OBS VA DTG: 24/1050Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL140 270/05KT
FCST VA CLD +6 HR: 24/1650Z NOT AVBL
FCST VA CLD +12 HR: 24/2250Z NOT AVBL
FCST VA CLD +18 HR: 25/0450Z NOT AVBL
RMK: CVGHM REPORT ERUPTION TO 1000M ABOVE SUMMIT. VA
CURRENTLY OBSCURED BY MET CLOUD. VA HEIGHT AND MOVEMENT
BASED ON GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO FURTHER ADVISORIES=

Volcanic Ash Advisory issued on 2024-01-21 at 09:30 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash estimated to flight level 200 (6000m) reported at 21 0712 UTC.
Eruption reported at height at 21/0712z. Volcanic ash unidentifiable on latest satellite imagery. Advsiory will be updated if new information is received.

Original Message :

Received FVAU02 at 09:34 UTC, 21/01/24 from ADRM
VA ADVISORY
DTG: 20240121/0930Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2024/1
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ESTIMATED TO FL200 REPORTED AT 21/0712Z
OBS VA DTG: 21/0910Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL200 250/15KT
FCST VA CLD +6 HR: 21/1510Z NOT AVBL
FCST VA CLD +12 HR: 21/2110Z NOT AVBL
FCST VA CLD +18 HR: 22/0310Z NOT AVBL
RMK: ERUPTION REPORTED AT UNKNOWN HEIGHT AT 21/0712Z. VA
UNIDENTIFIABLE ON LATEST SAT IMAGERY. ADVSIORY WILL BE
UPDATED IF NEW INFORMATION IS RECEIVED.
NXT ADVISORY: NO FURTHER ADVISORIES=

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.