Overall Green Volcanic eruption for Krakatau in Indonesia on 31 Mar 2023 07:40 UTC

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

Overall Green Volcanic eruption for Krakatau

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)

31/03 07:40

28/03 18:00 2023-34 DARWIN

28/03 01:04 2023-30 DARWIN

27/03 21:35 2023-29 DARWIN

Volcanic Ash Advisory issued on 2023-03-31 at 07:40 UTC.

Key information extracted from original VAA message :

Original Message :

Volcanic Ash Advisory issued on 2023-03-28 at 18:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash reported to flight level 30 (900m) at 28 1741 UTC.
Cvghm reported eruption to flight level 30 (900m) at 28/1741z. Volcanic ash not discernible on satellite img due to obscuration by meteorological cloud. Height and forecast based on ground report and model guidance. Advisory will be reissued if new information is received.

Original Message :

Volcanic Ash Advisory issued on 2023-03-28 at 01:04 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash emission to flight level 70 (2100m) at 28 0043 UTC.
Cvghm reported eruption to flight level 70 (2100m) move north east at 28/0043z. Volcanic ash not discernible on satellite img due to obscuration by meteorological cloud. Height and winds based on ground report and jakarta 27 1200 UTC sounding. Advisory will be reissued if new information is.

Original Message :

Volcanic Ash Advisory issued on 2023-03-27 at 21:35 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash reported to flight level 30 (900m) at 27 2112 UTC.
Cvghm reported eruption to flight level 30 (900m) move north east on 27 2112 UTC vona. Volcanic ash not discernible on satellite img due to obscuration by meteorological cloud. Height and winds based on ground report and jakarta 27 1200 UTC sounding. Advisory will be reissued if new information is received.

Original Message :

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