Overall Green Volcanic eruption for Krakatau in Indonesia from 03 Feb 2022 00:00 UTC to 04 Feb 2022 00:00 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)

03 Feb 05:25 03 Feb 11:25 03 Feb 17:25 03 Feb 23:20 04 Feb 01:00 04 Feb 07:00 04 Feb 13:00 04 Feb 19:00 05 Feb 01:00 05 Feb 07:00 05 Feb 13:00 05 Feb 19:00 06 Feb 01:00 06 Feb 07:00 06 Feb 13:00 06 Feb 18:45

06/02 18:45 2022-16 DARWIN

06/02 13:00 2022-15 DARWIN

06/02 07:00 2022-14 DARWIN

06/02 01:00 2022-13 DARWIN

05/02 19:00 2022-12 DARWIN

05/02 13:00 2022-11 DARWIN

05/02 07:00 2022-10 DARWIN

05/02 01:00 2022-9 DARWIN

04/02 19:00 2022-8 DARWIN

04/02 13:00 2022-7 DARWIN

04/02 07:00 2022-6 DARWIN

04/02 01:00 2022-5 DARWIN

03/02 23:20 2022-4 DARWIN

03/02 17:25 2022-3 DARWIN

03/02 11:25 2022-2 DARWIN

03/02 05:25 2022-1 DARWIN

Volcanic Ash Advisory issued on 2022-02-06 at 18:45 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash last observation before a break in coverage at a manual station reported to flight level 70 (2100m) at 06 0317 UTC.
Volcanic ash has not been identifiable on satellite imagery for over 24 hours and no recent ground reports have been received. Current data sources do not indicate an ongoing eruption. Advisory terminated due to lack of reports.

Original Message :

Volcanic Ash Advisory issued on 2022-02-06 at 13:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext ese.
Volcanic ash unidentifiable on satellite imagery since 04 0810 UTC due to meteorological cloud cover, however 06 0317 UTC vona and recent webcam imagery indicate emissions likely continuing to ese. Height & forecast extrapolated from himawari-8 imagery, ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-06 at 07:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext e.
Volcanic ash unidentifiable on satellite imagery since 04 0810 UTC due to meteorological cloud cover, however 06 0317 UTC vona and webcam indicate emissions continuing to e. Height and forecast extrapolated from himawari-8 imagery, ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-06 at 01:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext e.
Volcanic ash unidentifiable on satellite imagery since 04 0810 UTC due to meteorological cloud cover, however 06 0032 UTC vona and webcam indicate emissions continuing to e. Height and forecast extrapolated from himawari-8 imagery, ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-05 at 19:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext e.
Volcanic ash unidentifiable on satellite imagery since 04 0810 UTC due to meteorological cloud cover, however 05 0606 UTC vona and webcam indicate emissions continuing to e. Height and forecast extrapolated from himawari-8 imagery, ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-05 at 13:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext e.
Volcanic ash unidentifiable on satellite imagery and webcam due to meteorological cloud cover and darkness, however 05 0606 UTC vona confirms recent emissions move e. Height and forecast based on ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-05 at 07:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext e.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud. 05 0606 UTC vona indicate ongoing emissions move e. Height and forecast based on ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-05 at 01:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext e.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud but partially identifiable on webcam imagery. Vona indicate ongoing emissions ext e. Height and forecast based on himawari-8 04 0810 UTC imagery, ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-04 at 19:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext e.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud but partially identifiable on webcam imagery. Current webcam imagery and 04 1009 UTC vona indicate ongoing emissions ext e. Height and forecast based on himawari-8 04 0810 UTC imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-04 at 13:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext e.
Volcanic ash unidentifiable on latest satellite imagery due to meteorological cloud. Webcam imagery and 04 1009 UTC vona indicate ongoing emissions ext e. Height and forecast based on himawari-8 04 0810 UTC imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-04 at 07:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext e.
Volcanic ash partially identifiable among meteorological cloud on latest visible satellite imagery extending e from summit. Height and forecast based on himawari-8 04 0640 UTC imagery, 04 0550 UTC vona and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-04 at 01:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext southwest.
Volcanic ash partially identifiable among meteorological cloud on latest satellite imagery extending southwest from summit. Low confidence in forecast due to light and variable height and forecast based on himawari-8 04 0040 UTC imagery, 04 0034 UTC vona and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-03 at 23:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext se.
Volcanic ash unidentifiable on satellite imagery since 03 0700 UTC due to meteorological cloud cover, however webcam confirms ongoing eruption. Volcanic ash height and forecast based on himawari-8 03 2300 UTC imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-03 at 17:25 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext se.
Volcanic ash unidentifiable on satellite imagery and webcam due to darkness and meteorological cloud. However, activity near summit observation on webcam suggests ongoing eruption. Volcanic ash height and forecast based on himawari-8 03 1040 UTC imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-03 at 11:25 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext se.
Continuous volcanic ash emissions on current webcam and identifiable to flight level 70 (2100m) ext se from summit on 03 1040 UTC visibility satellite imagery. Ground observation reported in cvghm 03 0914 UTC vona. Volcanic ash height and forecast based on himawari-8 03 1040 UTC imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2022-02-03 at 05:25 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash emissions to flight level 70 (2100m) ext se.
Continuous volcanic ash emissions to flight level 70 (2100m) identifiable on latest rgb satellite imagery ext se from summit. Volcanic ash height and forecast based on himawari-8 03 0510 UTC imagery and model guidance.

Original Message :

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