Overall Green Volcanic eruption alert for Merapi in Indonesia on 05 Jul 2023 14:49 UTC

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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)

05 Jul 14:49 19 Jul 00:57 19 Jul 02:35 19 Jul 05:20

19/07 05:20 2023-27 DARWIN

19/07 02:35 2023-26 DARWIN

19/07 00:57 2023-25 DARWIN

05/07 14:49 2023-24 DARWIN

Volcanic Ash Advisory issued on 2023-07-19 at 05:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash to flight level 120 (3600m) extend south.
Volcanic ash clearly identifiable on latest satellite imagery extending south from summit. Height and forecast based on himawari-9 19 0500 UTC imagery and model guidance.

Original Message :

Received FVAU02 at 05:20 UTC, 19/07/23 from ADRM
VA ADVISORY
DTG: 20230719/0520Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2023/27
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA TO FL120 EXTD S
OBS VA DTG: 19/0500Z
OBS VA CLD: SFC/FL120 S0731 E11028 - S0739 E11027 - S0737 E11022 - S0730 E11025 MOV S 10KT
E11022 - S0730 E11025 MOV S 10KT
FCST VA CLD +6 HR: 19/1100Z SFC/FL120 S0733 E11030 - S0743 E11026 - S0739 E11017 - S0729 E11023 - S0729 E11030
E11026 - S0739 E11017 - S0729 E11023 - S0729 E11030
FCST VA CLD +12 HR: 19/1700Z SFC/FL120 S0731 E11029 - S0731 E11029 - S0735 E11031 - S0738 E11027 - S0736 E11021 - S0731 E11025
E11025
FCST VA CLD +18 HR: 19/2300Z SFC/FL120 S0731 E11025 - S0730 E11030 - S0734 E11032 - S0738 E11027 - S0735 E11023
E11030 - S0734 E11032 - S0738 E11027 - S0735 E11023
RMK: VA CLEARLY IDENTIFIABLE ON LATEST SAT IMAGERY EXTENDING
S FROM SUMMIT. HEIGHT AND FORECAST BASED ON HIMAWARI-9
19/0500Z IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20230719/1120Z=

Volcanic Ash Advisory issued on 2023-07-19 at 02:35 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash last observation before a break in coverage at a manual station observation to flight level 120 (3600m) at 19 0130 UTC.
Current satellite imagery indicates that ash from volcano merapi has now dissipated. No further reports of new or ongoing eruptions. Minor steam emissions near summit. Advisory terminated.

Original Message :

Received FVAU03 at 02:35 UTC, 19/07/23 from ADRM
VA ADVISORY
DTG: 20230719/0235Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2023/26
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA LAST OBS TO FL120 AT 19/0130Z
OBS VA DTG: 19/0220Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL120 350/10KT
FCST VA CLD +6 HR: 19/0820Z NO VA EXP
FCST VA CLD +12 HR: 19/1420Z NO VA EXP
FCST VA CLD +18 HR: 19/2020Z NO VA EXP
RMK: CURRENT SATELLITE IMAGERY INDICATES THAT ASH FROM
VOLCANO MERAPI HAS NOW DISSIPATED. NO FURTHER REPORTS OF NEW
OR ONGOING ERUPTIONS. MINOR STEAM EMISSIONS REMAIN NEAR
SUMMIT. ADVISORY TERMINATED
NXT ADVISORY: NO FURTHER ADVISORIES=

Volcanic Ash Advisory issued on 2023-07-19 at 00:57 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Discrete volcanic ash to flight level 120 (3600m) move south.
Multiple minor volcanic ash emissions identifiable on rgb satellite imagery extending south from summit and expected to dissipate 6 height and forecast based on himawari-9 imagery and model guidance.

Original Message :

Received FVAU03 at 00:57 UTC, 19/07/23 from ADRM
VA ADVISORY
DTG: 20230719/0057Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2023/25
INFO SOURCE: HIMAWARI-9, WEBCAM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: DISCRETE VA TO FL120 MOV S
OBS VA DTG: 19/0030Z
OBS VA CLD: SFC/FL120 S0728 E11028 - S0750 E11040 - S0755 E11025 - S0730 E11023 MOV S 10KT
E11025 - S0730 E11023 MOV S 10KT
FCST VA CLD +6 HR: 19/0630Z NO VA EXP
FCST VA CLD +12 HR: 19/1230Z NO VA EXP
FCST VA CLD +18 HR: 19/1830Z NO VA EXP
RMK: MULTIPLE MINOR VA EMISSIONS IDENTIFIABLE ON RGB
SATELLITE IMAGERY EXTENDING S FROM SUMMIT AND EXPECTED TO
DISSIPATE WITHIN 6 HOURS. HEIGHT AND FORECAST BASED ON
HIMAWARI-9 IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20230719/0657Z=

Volcanic Ash Advisory issued on 2023-07-05 at 14:49 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash observation from ground move southwest at 05 1405 UTC.
Volcanic activity report received from bmkg indonesia reporting eruption to height at 05/1405z. Volcanic ash not identifiable om satellite img due to meteorological cloud cover. Advisory will be updated if new eruption information is received.

Original Message :

Received FVAU01 at 14:49 UTC, 05/07/23 from ADRM
VA ADVISORY
DTG: 20230705/1449Z
VAAC: DARWIN
VOLCANO: MERAPI 263250
PSN: S0732 E11027
AREA: INDONESIA
SUMMIT ELEV: 2910M
ADVISORY NR: 2023/24
INFO SOURCE: BMKG, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA OBS FM GND MOV SW AT 05/1405Z
OBS VA DTG: 05/1405Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL100 130/05KT
FCST VA CLD +6 HR: 05/2005Z NOT AVBL
FCST VA CLD +12 HR: 06/0205Z NOT AVBL
FCST VA CLD +18 HR: 06/0805Z NOT AVBL
RMK: VOLCANIC ACTIVITY REPORT RECEIVED FM BMKG INDONESIA
REPORTING ERUPTION TO UNKNOWN HEIGHT AT 05/1405Z. VA NOT
IDENTIFIABLE OM SAT IMG DUE TO MET CLOUD COVER. ADVISORY
WILL BE UPDATED IF NEW ERUPTION INFORMATION IS RECEIVED.
NXT ADVISORY: NO FURTHER ADVISORIES=

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