Overall Green Volcanic eruption for Krakatau in Indonesia on 27 Nov 2023 21:08 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)

13/12 12:10 2023-158 DARWIN

13/12 06:10 2023-157 DARWIN

13/12 00:10 2023-156 DARWIN

12/12 22:58 2023-155 DARWIN

12/12 16:50 2023-154 DARWIN

12/12 05:42 2023-153 DARWIN

12/12 00:20 2023-152 DARWIN

11/12 18:20 2023-151 DARWIN

11/12 12:20 2023-150 DARWIN

11/12 06:20 2023-149 DARWIN

11/12 00:24 2023-148 DARWIN

07/12 10:07 2023-147 DARWIN

07/12 04:07 2023-146 DARWIN

07/12 02:40 2023-145 DARWIN

06/12 20:50 2023-144 DARWIN

06/12 14:50 2023-143 DARWIN

06/12 09:10 2023-142 DARWIN

06/12 03:10 2023-141 DARWIN

05/12 21:10 2023-140 DARWIN

05/12 15:10 2023-139 DARWIN

05/12 09:10 2023-138 DARWIN

05/12 03:08 2023-137 DARWIN

04/12 23:00 2023-136 DARWIN

04/12 17:00 2023-135 DARWIN

04/12 11:00 2023-134 DARWIN

04/12 06:33 2023-133 DARWIN

04/12 04:23 2023-132 DARWIN

03/12 22:23 2023-131 DARWIN

03/12 16:20 2023-130 DARWIN

03/12 10:20 2023-129 DARWIN

03/12 05:25 2023-128 DARWIN

03/12 01:00 2023-127 DARWIN

02/12 19:00 2023-126 DARWIN

02/12 13:00 2023-125 DARWIN

02/12 07:00 2023-124 DARWIN

02/12 02:30 2023-123 DARWIN

02/12 01:21 2023-122 DARWIN

01/12 08:11 2023-121 DARWIN

30/11 10:10 2023-120 DARWIN

30/11 04:10 2023-119 DARWIN

30/11 04:00 2023-118 DARWIN

29/11 21:50 2023-117 DARWIN

29/11 15:57 2023-116 DARWIN

29/11 09:48 2023-115 DARWIN

29/11 09:04 2023-114 DARWIN

29/11 03:10 2023-113 DARWIN

28/11 21:10 2023-112 DARWIN

28/11 15:10 2023-111 DARWIN

28/11 09:08 2023-110 DARWIN

28/11 03:08 2023-109 DARWIN

27/11 21:08 2023-108 DARWIN

27/11 17:36 2023-107 DARWIN

27/11 11:33 2023-106 DARWIN

Volcanic Ash Advisory issued on 2023-12-13 at 12:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash observation to flight level 40 (1200m) at 13 1130 UTC move north.
Volcanic ash observed on recent satellite imagery extending to the north of volcano. Volcanic ash height and winds based on himawari-9 img, ground report 13 0835 UTC and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-13 at 06:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash observation to flight level 40 (1200m) at 13 0550 UTC move north.
Volcanic ash currently observed on satellite imagery extending to the north of volcano. Volcanic ash height and winds based on himawari-9 img, ground report 13 0502 UTC and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-13 at 00:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash observation to flight level 40 (1200m) at 13 0000 UTC move north.
Vona received reporting eruption to 1000m above summit. Volcanic ash currently observed on satellite imagery extending to the north of volcano. Volcanic ash height and winds based on ground report and model guidance. ***va updated with new data***.

Original Message :

Volcanic Ash Advisory issued on 2023-12-12 at 22:58 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash reported to flight level 40 (1200m) at 12 2230 UTC move north.
Vona recived reporting eruption to 1000m above summit. Volcanic ash unidentifiable on satellite imagery due to meteorological cloud. Height and winds based on ground report and model guidance. Advisory will be re-issued if new information is received.

Original Message :

Volcanic Ash Advisory issued on 2023-12-12 at 16:50 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash reported to flight level 40 (1200m) at 12 1648 UTC.
Cvghm reported eruption to flight level 40 (1200m) volcanic ash unidentifiable on satellite imagery due to meteorological cloud. Height and winds based on ground report and model guidance. Advisory will be re-issued if new information is received.

Original Message :

Volcanic Ash Advisory issued on 2023-12-12 at 05:42 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station observation on satellite img at 11 1040 UTC ext nne.
Volcanic ash not discernible on recent satellite imagery. Steam/smoke activity is continuing in the viccinity of the crater. Advisory terminated. A fresh advisory will be issued if new eruption information is received.

Original Message :

Volcanic Ash Advisory issued on 2023-12-12 at 00:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station observation on satellite img at 11 1040 UTC ext nne.
Volcanic ash not discernible on latest satellite imagery due to meteorological cloud obscuration. However, emission is expected to be ongoing. Volcanic ash height and movement based on himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-11 at 18:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station observation on satellite img at 11 1040 UTC ext nne.
Volcanic ash not discernible on latest satellite imagery due to meteorological cloud and darkness. Continuous volcanic ash last observation before a break in coverage at a manual station identifiable on satellite imagery at 11/1040z. Height and movement based on himawari-9 satellite imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-11 at 12:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station observation on satellite img at 11 1040 UTC ext nne.
Volcanic ash not discernible on latest satellite imagery due to meteorological cloud and darkness. Continuous volcanic ash last observation before a break in coverage at a manual station identifiable on satellite imagery at 11/1040z. Height and movement based on himawari-9 satellite imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-11 at 06:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) observation at 11 0600 UTC ext nne.
Continuous volcanic ash identifiable on latest satellite imagery and webcam. Height and movement based on himawari-9 satellite imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-11 at 00:24 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) observation at 11 0000 UTC ext north.
Continuous volcanic ash identifiable on latest satellite imagery and webcam. Height and movement based on himawari-9 satellite imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-07 at 10:07 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 05 0250 UTC.
Volcanic ash has not been identifiable on satellite imagery for more than 24 current data sources do not indicate an ongoing eruption. Advisory terminated.

Original Message :

Volcanic Ash Advisory issued on 2023-12-07 at 04:07 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station reported at 07 0312 UTC move north.
Volcanic ash not identifiable on satellite img for over volcanic ash still expected in vicinity of volcano due to recent ground reports indicating eruption is ongoing. No forecast polygons due to lack of observations.

Original Message :

Volcanic Ash Advisory issued on 2023-12-07 at 02:40 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 30 (900m) last observation before a break in coverage at a manual station reported at 06 2300 UTC move north.
Volcanic ash not discernible on satellite imagery due to meteorological cloud. Cvghm report volcanic ash to 500m above summit at 06/2300z. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-06 at 20:50 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) observation at 06 0800 UTC move north.
Volcanic ash not discernible on satellite imagery due to meteorological cloud, however volcanic ash still expected to be in area. Volcanic ash height and movement based on vona, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-06 at 14:50 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) observation at 06 0800 UTC move north.
Volcanic ash not discernible on satellite imagery due to meteorological cloud, however volcanic ash still expected to be in area. Volcanic ash height and movement based on vona, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-06 at 09:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) onbs at 06/0800 move north.
Volcanic ash not discernible on satellite imagery due to meteorological cloud, however volcanic ash still expected to be in area. Volcanic ash height and movement based on vona, himawari-9 and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-06 at 03:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) move southwest last observation before a break in coverage at a manual station observation at 05 0730 UTC.
Volcanic ash not discernible on satellite imagery due to meteorological cloud, however volcanic ash still expected to be in area. Vona at 05 1456 UTC reported volcanic ash to 1500m above summit. Volcanic ash height and movement based on vona, himawari-9 and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-05 at 21:10 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 on satellite img to flight level 70 (2100m) move southwest at 05 0730 UTC.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however volcanic ash still expected to be in area. Vona at 05 1456 UTC reported volcanic ash to 1500m above summit. Volcanic ash height and movement based on vona, himawari-9 and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-05 at 15:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) move southwest observation at 05 0730 UTC.
Volcanic ash height and movement based on himawari-9 and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-05 at 09:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) move southwest observation at 05 0730 UTC.
Volcanic ash height and movement based on himawari-9 and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-05 at 03:08 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) move southwest observation at 05 0250 UTC.
Volcanic ash discernible on satellite imagery. Height and movement based on himawari-9 and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-04 at 23:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) move wnw last observation before a break in coverage at a manual station observation at 04 1557 UTC.
Volcanic ash not discernible on satellite imagery due to meteorological cloud, however volcanic ash still expected in the area. Cvghm vona reported volcanic ash to 700m above summit at 04/2138z. Height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-04 at 17:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) move wnw last observation before a break in coverage at a manual station observation at 04 1557 UTC.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however volcanic ash is still expected in the area. Cvghm vona reported volcanic ash to 1500m above summit at 04/1557z. Height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-04 at 11:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) move wsw last observation before a break in coverage at a manual station observation at 04 0915 UTC.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however volcanic ash is still expected in the area. Cvghm vona reported volcanic ash to 2000m above summit at 04/0915z. Height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-04 at 06:33 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 04 0541 UTC move wsw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, volcanic ash is still expected in the area. Cvghm vona reported volcanic ash to 2000m above summit at 04/0541z. Height and movement based on satellite imagery, ground report & model guidance. Corrected to include images.

Original Message :

Volcanic Ash Advisory issued on 2023-12-04 at 04:23 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station observation at 04 0256 UTC move nw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however volcanic ash is still expected in the area. Cvghm vona reported volcanic ash to 1500m above summit at 04/0256z. Height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-03 at 22:23 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station observation at 03/01448z move nw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however volcanic ash is still expected in the area. Cvghm vona reported volcanic ash to 700m above summit at 03/1448z. Height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-03 at 16:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station observation at 03/01448z move nw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however volcanic ash is still expected in the area. Cvghm vona reported volcanic ash to 700m above summit at 03/1448z. Height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-03 at 10:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station observation at 03 0438 UTC move nw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however volcanic ash is still expected in the area. Volcanic ash height and movement based on satellite imagery, ground report and model guidance. *advisory corrected for typo in +18hr volcanic ash height*.

Original Message :

Volcanic Ash Advisory issued on 2023-12-03 at 05:25 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 50 (1500m) last observation before a break in coverage at a manual station observation at 03 0438 UTC move nw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however ground report confirms ongoing eruption. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-03 at 01:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 30 (900m) last observation before a break in coverage at a manual station observation at 02 2326 UTC move nw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however ground report confirms ongoing eruption. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-02 at 19:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 30 (900m) last observation before a break in coverage at a manual station observation at 02 0520 UTC move nw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however ground report confirms ongoing eruption. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-02 at 13:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 30 (900m) last observation before a break in coverage at a manual station observation at 02 0520 UTC move nnw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however ash is still expected in the area. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-02 at 07:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 30 (900m) last observation before a break in coverage at a manual station observation at 02 0520 UTC move nnw.
Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however ash is still expected in the area. Cvghm reported volcanic ash to 700m above summit at 02/0421z. Height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-02 at 02:30 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 30 (900m) observation at 02 0210 UTC move nnw.
Volcanic ash identifiable on latest satellite imagery. Cvghm reported volcanic ash to 500m above summit at 02/0059z. Height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-02 at 01:21 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 30 (900m) reported at 02 0059 UTC move nw.
Cvghm reported volcanic ash to 500m above summit at 02/0059z. Volcanic ash unidentifiable on satellite imagery due to meteorological cloud. Height and movement based on ground report and model guidance. Advisory will be re-issued if new information is received.

Original Message :

Volcanic Ash Advisory issued on 2023-12-01 at 08:11 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Eruption observed on webcam.
Volcanic ash to height identifiable on webcam. Volcanic ash unidentifibale on satellite imagery due to meteorological cloud. Advisory will be updated if new information is received.

Original Message :

Volcanic Ash Advisory issued on 2023-11-30 at 10:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 29 1010 UTC move southwest.
Volcanic ash currently unidentifiable on satellite imagery. Last observation before a break in coverage at a manual station observation plume more than 24 hours ago. Advisory terminated due to lack of evidence to suggest on going eruption.

Original Message :

Volcanic Ash Advisory issued on 2023-11-30 at 04:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 29 1010 UTC move southwest.
Volcanic ash currently unidentifiable on satellite imagery due to meteorological cloud, however ash still expected in area. Volcanic ash height and movement based on model guidance. Previous advisory updated due to error is direction of volcanic ash movement.

Original Message :

Volcanic Ash Advisory issued on 2023-11-30 at 04:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 29 1010 UTC move southwest.
Volcanic ash currently unidentifiable on satellite imagery due to meteorological cloud, however ash still expected in area. Volcanic ash height and movement based on model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-29 at 21:50 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 29 1010 UTC move southwest.
Volcanic ash currently unidentifiable on satellite imagery due to meteorological cloud, however ash still expected in area. Volcanic ash height and movement based on model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-29 at 15:57 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) move southwest last observation before a break in coverage at a manual station observation 29 1010 UTC.
Volcanic ash unidentifiable on satellite imagery however, volcanic ash eruption expected to be on going. Height estimated. Movement based on consensus model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-29 at 09:48 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) move southwest.
Recent satellite imagery shows volcanic ash plume extending southwest of summit. Height estimated. Movement based on consensus model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-29 at 09:04 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 28 1140 UTC move north east.
Volcanic ash not discernible on satellite imagery for more than 24 hours due to meteorological cloud obscuration. Last observation before a break in coverage at a manual station ground report stated eruption at 28/1140z. Advisory terminated due to lack of evidence to suggest on going eruption.

Original Message :

Volcanic Ash Advisory issued on 2023-11-29 at 03:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 28 1140 UTC move north east.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however ash still expected in area. Volcanic ash height and movement based on ground observations and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-28 at 21:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station observation at 28 1140 UTC move north east.
Volcanic ash currently not identifiable on satellite imagery due to meteorological cloud, however ash still expected in area. Volcanic ash height and movement based on ground observations and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-28 at 15:10 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station reported at 28 1140 UTC move north east.
Volcanic ash not discernible on latest satellite imagery due to obscuration. Vona received at 28/01140z indicates eruption ongoing. Volcanic ash height and foreacst based on ground obs, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-28 at 09:08 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) last observation before a break in coverage at a manual station reported at 28 0621 UTC move north east.
Volcanic ash not discernible on latest satellite imagery due to obscuration. Vona received at 28 0621 UTC indicates eruption ongoing. Volcanic ash height and foreacst based on ground obs, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-28 at 03:08 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m).
Volcanic ash not discernible on latest satellite imagery due to obscuration. Vona received at 28 0215 UTC indicates eruption ongoing. Volcanic ash height and foreacst based on ground obs, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-27 at 21:08 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) observation from ground at 27 1700 UTC.
Volcanic ash not discernible on latest satellite imagery due to obscuration. Vona received at 27 1700 UTC indicates eruption to 2000m above summit. Volcanic ash height and foreacst based on ground obs, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-27 at 17:36 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) observation from ground at 27 0825 UTC.
Volcanic ash not discernible on latest satellite imagery due to obscuration. Vona received at 27 0825 UTC indicates eruption to 800m above summit. Volcanic ash height and foreacst based on ground obs, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-11-27 at 11:33 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 70 (2100m) observation from ground at 27 0825 UTC.
Volcanic ash not discernible on latest satellite imagery due to obscuration. Vona received at 27 0825 UTC indicates eruption to 800m above summit. Volcanic ash height and foreacst based on ground obs, himawari-9 imagery and model guidance.

Original Message :

Disclaimer - Copyright
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.
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