Overall Green Volcanic eruption for Sinabung
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.



Volcanic Ash Advisory issued on 2026-09-05 at 04:42 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash observation to flight level 140 (4200m) move e at 04 0430 UTC.
  • Volcanic ash not identifiable on recent satellite imagery. No other sources indicate new or ongoing emission. Advisory terminated.

Original Message :

Volcanic Ash Advisory issued on 2026-09-04 at 22:45 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash observation to flight level 140 (4200m) move e at 04 0430 UTC.
  • Volcanic ash not identifiable on latest satellite img due to meteorological cloud. Volcanic ash height and forecast based on himawari-9 satellite img and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2026-09-04 at 16:45 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash observation to flight level 140 (4200m) move e at 04 0430 UTC.
  • Volcanic ash not identifiable on latest satellite img due to meteorological cloud. Volcanic ash height and forecast based on himawari-9 satellite img and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2026-09-04 at 10:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash observation to flight level 140 (4200m) move e at 04 0430 UTC.
  • Volcanic ash not identifiable on latest satellite img due to meteorological cloud. Volcanic ash height and forecast based on himawari-9 satellite img and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2026-09-04 at 04:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash observation to flight level 140 (4200m) move e at 04 0430 UTC.
  • Volcanic ash identifiable on latest satellite img extending e of summit. Volcanic ash height and forecast based on himawari-9 satellite img, model guidance and recent eruptive activity.

Original Message :

Volcanic Ash Advisory issued on 2026-09-04 at 04:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash observation to flight level 140 (4200m) move e at 04 0430 UTC.
  • Volcanic ash identifiable on latest satellite img extending e of summit. Volcanic ash height and forecast based on himawari-9 satellite img, model guidance and recent eruptive activity. ***correction to movement of va***.

Original Message :

Volcanic Ash Advisory issued on 2026-09-03 at 16:43 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash last observation before a break in coverage at a manual station reported at 02 2257 UTC.
  • The volcanic ash emission from mount sinabung is now expected to have dissipated. There are no further reports of new or ongoing emissions. The advisory will be updated if a new eruption is detected or reported.

Original Message :

Volcanic Ash Advisory issued on 2026-09-03 at 10:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash last observation before a break in coverage at a manual station reported at 02 2257 UTC.
  • Volcanic ash not identifiable on recent satellite imagery due to meteorological cloud cover. However, emission is expected to be ongoing. Height and movement based on model guidance.

Original Message :

Volcanic Ash Advisory issued on 2026-09-03 at 04:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash last observation before a break in coverage at a manual station reported at 02 2257 UTC.
  • Volcanic ash not discernible on latest satellite imagery due to meteorological cloud. Volcanic ash emission is expected to be ongoing. Height and movement based on model guidance.

Original Message :

Volcanic Ash Advisory issued on 2026-09-02 at 22:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash last observation before a break in coverage at a manual station to flight level 140 (4200m) last observation before a break in coverage at a manual station reported at 02 0020 UTC.
  • Volcanic ash not discernible on latest satellite imagery due to meteorological cloud. Volcanic ash emission is expected to be ongoing. Height and movement based on ground report, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2026-09-02 at 16:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash last observation before a break in coverage at a manual station to flight level 140 (4200m) last observation before a break in coverage at a manual station reported at 02 0020 UTC.
  • Volcanic ash not discernible on latest satellite imagery due to meteorological cloud. Volcanic ash emission is expected to be ongoing. Height and movement based on ground report, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2026-09-02 at 10:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash last observation before a break in coverage at a manual station to flight level 140 (4200m) last observation before a break in coverage at a manual station reported at 02 0020 UTC.
  • Volcanic ash not discernible on latest satellite imagery due to meteorological cloud. Volcanic ash emission is expected to be ongoing. Height and movement based on ground report, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2026-09-02 at 04:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash last observation before a break in coverage at a manual station to flight level 140 (4200m) last observation before a break in coverage at a manual station reported at 02 0020 UTC.
  • Volcanic ash not discernible on latest satellite imagery due to meteorological cloud. Volcanic ash emission is expected to be ongoing. Height and movement based on ground report, himawari-9 imagery and model guidance. Light winds increase uncertainty.

Original Message :