Overall Green Volcanic eruption for Lewotobi
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 2024-02-09 at 17:19 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 70 (2100m) observation from ground at 09 1058 UTC.
  • Cvghm reported volcanic ash to 500m above summit at 09/1058z. Volcanic ash not identifiable on satellite img due to obscuration. Volcanic ash height and forecast based on ground observation and model guidance. Advisory will be re-issued if new eruption information is received.

Original Message :

Volcanic Ash Advisory issued on 2024-02-09 at 11:29 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 70 (2100m) observation from ground at 09 1058 UTC.
  • Cvghm reported volcanic ash to 500m above summit at 09/1058z. Volcanic ash not identifiable on satellite img due to obscuration. Volcanic ash height and forecast based on ground observation and model guidance. Volcanic ash likely to dissipate 6 hours.

Original Message :

Volcanic Ash Advisory issued on 2024-02-07 at 00:35 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground observer reports volcanic ash to flight level 80 (2400m) move northeast.
  • Cvghm reported eruption to 700m above summit. Volcanic ash unidentifiable on latest satellite imagery due to meteorological cloud. Volcanic ash height based on ground report, movement based on consensus model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-02-02 at 07:03 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 100 (3000m) at 02 0629 UTC.
  • Volcanic ash eruption reported by cvghm but unidentifiable on satellite imagery due to meteorological cloud. Volcanic ash height and move based on ground report and model guidance. Advisory will be reissued if new information is received.

Original Message :

Volcanic Ash Advisory issued on 2024-02-02 at 06:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption.
  • Ground report 02 0548 UTC of eruption with volcanic ash to height. Volcanic ash unidentifiable on satellte imagery. Advisory will be updated if new iformation received.

Original Message :

Volcanic Ash Advisory issued on 2024-02-02 at 03:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 70 (2100m).
  • Current satellite imagery indicates that ash from volcano lewotobi has dissipated. No further reports of new or ongoing eruption. Advisory terminated.

Original Message :

Volcanic Ash Advisory issued on 2024-02-02 at 01:10 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report of eruption with volcanic ash to flight level 70 (2100m).
  • Ground report of eruption with volcanic ash to 6852ft move north. Volcanic ash observation on satellite img move north east of summit. Volcanic ash expected to dissipate 12.

Original Message :

Volcanic Ash Advisory issued on 2024-01-31 at 02:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Vona report eruption to flight level 80 (2400m) at 31 0221 UTC.
  • Cvghm report eruption to 700m above summit. Volcanic ash not identifiable on satellite imagery due to meteorological cloud cover. Volcanic ash height and move based on ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-28 at 06:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Vona state eruption to flight level 70 (2100m) at 28 0640 UTC.
  • Cvghm report eruption to 500m above summit. Volcanic ash currently obscured by meteorological cloud. Volcanic ash height and movement based on ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-21 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station observation from grnd at 20 1939 UTC.
  • Volcanic ash has not been identifiable on satellite imagery for more than no other information source indicate an eruption or presence of ash in the atmosphere. Advisory terminated.

Original Message :

Volcanic Ash Advisory issued on 2024-01-21 at 17:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station observation from grnd at 20 1939 UTC.
  • Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however volcanic ash still expected in the area due to ground reports indicating eruption is ongoing. Volcanic ash height and forecast based on himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-21 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station observation from grnd at 20 1939 UTC.
  • Volcanic ash unidentifiable on satellite imagery since 18 2350 UTC due to meteorological cloud, however volcanic ash still expected in the area due to ground reports indicating eruption is ongoing. Volcanic ash height and forecast based on himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-21 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption last observation before a break in coverage at a manual station observation from grnd at 20 1939 UTC.
  • Volcanic ash unidentifiable on satellite imagery since 18 2350 UTC due to meteorological cloud, however volcanic ash still expected in the area due to ground reports indicating eruption is ongoing. Volcanic ash height and forecast based on himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-20 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing eruption reported by ground observer.
  • Volcanic ash unidentifiable on satellite imagery since 18 2350 UTC due to meteorological cloud, however volcanic ash still expected in the area due to ground reports indicating eruption is ongoing. Volcanic ash height and forecast based on himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-20 at 17:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing eruption observation by ground observer at 20 0340 UTC.
  • Volcanic ash unidentifiable on satellite imagery since 18 2350 UTC due to meteorological cloud. However, volcanic ash still expected in the area due to ground reports indicating eruption is ongoing. Volcanic ash height and forecast extrapolated from himawari-9 imagery and model consensus.

Original Message :

Volcanic Ash Advisory issued on 2024-01-20 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing eruption observation by ground observer at 20 0340 UTC.
  • Volcanic ash unidentifiable on satellite imagery since 18 2350 UTC due to meteorological cloud. However, volcanic ash still expected in the area due to ground reports indicating eruption is ongoing. Volcanic ash height and forecast extrapolated from himawari-9 imagery and model consensus.

Original Message :

Volcanic Ash Advisory issued on 2024-01-20 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ongoing eruption observation by ground observer at 20 0340 UTC.
  • Volcanic ash unidentifiable on satellite imagery since 18 2350 UTC due to meteorological cloud. However, volcanic ash still expected in the area due to ground reports indicating eruption is ongoing. Volcanic ash height and forecast extrapolated from himawari-9 imagery and model consensus.

Original Message :

Volcanic Ash Advisory issued on 2024-01-19 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) move se last observation before a break in coverage at a manual station observation at 18 2350 UTC.
  • Volcanic ash unidentifiable on satellite imagery due to meteorological cloud. However, volcanic ash still expected in the area due to ground reports indicating eruption is ongoing. Volcanic ash height and forecast based on himawari-9 imagery, model consensus and ground reports.

Original Message :

Volcanic Ash Advisory issued on 2024-01-19 at 17:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash emissions to flight level 100 (3000m) ext to se.
  • Volcanic ash not discernible on recent satellite imagery due to meteorological cloud obscuration, however emissions are observation to be ongoing from ground. Volcanic ash height and forecast based on ground reports, model consensus and persistence.

Original Message :

Volcanic Ash Advisory issued on 2024-01-19 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash emissions to flight level 100 (3000m) ext to se.
  • Volcanic ash unidentifiable on recent satellite imagery due to meteorological cloud obscuration, however emission is expected to be ongoing. Emissions reported to 500m above summit from ground repeat at 19/0214z. Volcanic ash height and forecast based on recent ground reports, model consensus and persistence.

Original Message :

Volcanic Ash Advisory issued on 2024-01-19 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash emissions to flight level 100 (3000m) ext to e.
  • Volcanic ash unidentifiable since 19 0010 UTC due to obscuration by meteorological cloud. Emissions reported to 500m above summit from latest ground repeat at 19/0214z. Volcanic ash height and forecast based on recent ground reports and model consensus.

Original Message :

Volcanic Ash Advisory issued on 2024-01-18 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash reported from ground 1100m above summit at 18 2130 UTC.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud. Emissions reported to 1100m above summit from lastest ground repeat. Volcanic ash height and forecast based on recent ground reports and model consensus.

Original Message :

Volcanic Ash Advisory issued on 2024-01-18 at 17:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash reported from ground 1000m above summit at 18 0746 UTC.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud. Emissions reported to 1000-1500m above summit from ground over last observation before a break in coverage at a manual station volcanic ash height and forecast based on recent ground reports and model consensus.

Original Message :

Volcanic Ash Advisory issued on 2024-01-18 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash reported from ground 1000m above summit at 18 0746 UTC.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud. Emissions reported to 1000-1500m above summit as observation from ground over last observation before a break in coverage at a manual station volcanic ash height and forecast based on recent ground reports and model consensus.

Original Message :

Volcanic Ash Advisory issued on 2024-01-18 at 05:00 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 100 (3000m) at 18 0054 UTC.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud. Emission reported to 1500m above summit at 18/0054z. Volcanic ash last observation before a break in coverage at a manual station observation by satellite at 14 2140 UTC however frequent grnd repeats indicate ongoing eruptions. Volcanic ash height and forecast based on grnd repeat and model consensus.

Original Message :

Volcanic Ash Advisory issued on 2024-01-17 at 22:40 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 100 (3000m) at 17 2048 UTC.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud. Emission reported to 500m above summit at 17/2048z. Volcanic ash last observation before a break in coverage at a manual station observation by satellite at 14 2140 UTC however frequent grnd repeats indicate ongoing eruptions. Volcanic ash height and forecast based on grnd repeat and model consensus.

Original Message :

Volcanic Ash Advisory issued on 2024-01-17 at 17:00 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 100 (3000m) at 17 0923 UTC.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud. Emission reported to 1500m above summit at 17/0923z. Volcanic ash last observation before a break in coverage at a manual station observation by satellite at 14 2140 UTC however frequent grnd repeats indicate ongoing eruptions. Volcanic ash height and forecast based on grnd repeat and access/ec/jma model.

Original Message :

Volcanic Ash Advisory issued on 2024-01-17 at 11:00 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 100 (3000m) at 17 0923 UTC.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud. Emission reported to 1500m above summit at 17/0923z. Volcanic ash last observation before a break in coverage at a manual station observation by satellite at 14 2140 UTC however frequent grnd repeats indicate ongoing eruptions. Volcanic ash height and forecast based on grnd repeat and access/ec/jma model.

Original Message :

Volcanic Ash Advisory issued on 2024-01-17 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) observation from ground at 17 0033 UTC.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud. Emission observation 700m above summit from ground at 17/0033z. Volcanic ash height and forecast based on ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-16 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) observation from ground at 16 1258 UTC.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud. Emission observation 1000m above summit from ground at 16 0830 UTC and 700m above summit at 16/1258z. Volcanic ash height and forecast based on ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-16 at 17:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) observation from ground at 16 1258 UTC.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud. Emission observation 1000m above summit from ground at 16 0830 UTC and 700m above summit at 16/1258z. Volcanic ash height and forecast based on ground reports and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-16 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) observation from ground at 16 0830 UTC.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud. Emission observation 1000m above summit from ground at 16/0830z. Volcanic ash height and forecast based on ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-16 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to height observation from ground at 15 2058 UTC.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud. Emission observation from ground at 15/2058z. Volcanic ash height and forecast based on satellite img and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-15 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash emission to height observation from ground at 15 2058 UTC.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud. Emission was observation from ground at 15/2058z. Volcanic ash height and forecast based on satellite img and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-15 at 17:00 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 140 (4200m) move ene at 14 2140 UTC.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud, however, large hotspot suggest eruption is likely ongoing. Volcanic ash height and forecast based on satellite img and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-15 at 11:00 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 140 (4200m) move ene at 14 2140 UTC.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud however eruption is expected to be ongoing. Volcanic ash height and forecast based on satellite img and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-15 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) partial observation at 14 2140 UTC move ene.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud however eruption is expected to be ongoing. Volcanic ash height from infrared temperature of approx 3c at 14 2130 UTC and volcanic ash forecast derived from satellite img and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-14 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) partial observation at 14 2140 UTC move ene.
  • Volcanic ash not identifiable on satellite img due to meteorological cloud however eruption is expected to be ongoing. Volcanic ash height from infrared temperature of approx 3c at 14 2130 UTC and volcanic ash forecast derived from satellite img and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-14 at 17:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) last observation before a break in coverage at a manual station partial observation move e at 14 0440 UTC.
  • Volcanic ash not identifiable on latest satellite img due to meteorological cloud and eruption is expected to be ongoing. Volcanic ash height and forecast from satellite img, 13 2137 UTC ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-14 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) last observation before a break in coverage at a manual station partial observation move e at 14 0440 UTC.
  • Volcanic ash not identifiable on latest satellite img due to meteorological cloud and eruption is expected to be ongoing. Volcanic ash height and forecast from satellite img, 13 2137 UTC ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-14 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) last observation before a break in coverage at a manual station partial observation move e at 14 0440 UTC.
  • Volcanic ash partially observed on latest satellite img through meteorological cloud and eruption is expected to be ongoing. Volcanic ash height and forecast from satellite img, 13 2137 UTC ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-13 at 23:03 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) last observation before a break in coverage at a manual station observation move e at 13 2240 UTC.
  • Volcanic ash observation on latest vis/rgb satellite img move e. Advisory updated and height raised due to clear observation and reliable plume top of clouds ir-temperature on satellite img. Volcanic ash forecast from satellite img, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-13 at 19:05 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) last observation before a break in coverage at a manual station reported at 13 1624 UTC.
  • Volcanic ash not identifiable as area obscured by meteorological cloud, last observation before a break in coverage at a manual station observation on satellite img at 13/1350z. Height lowered as higher volcanic ash has dissipated and ground report at 13 1624 UTC to flight level 80 (2400m) volcanic ash forecast from satellite img, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-13 at 13:05 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 130 (3900m) move ene at 13 1130 UTC.
  • Volcanic ash not identifiable as area obscured by meteorological cloud. Height raised due to infrared temperature of volcanic ash measured to be 7c at 13/1110z. Volcanic ash forecast move from satellite img, ground repeat and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-13 at 07:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 100 (3000m) move ene at 13 0310 UTC.
  • Volcanic ash not identifiable as area obscured by meteorological cloud. Height lowered to flight level 100 (3000m) as higher ash has dissipated. Cvghm estimated volcanic ash to 1000m above summit at 13/0256z. Volcanic ash forecast move from satellite img, ground repeat and model guidance. *cor observation mov*.

Original Message :

Volcanic Ash Advisory issued on 2024-01-13 at 07:00 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 100 (3000m) move north east at 13 0310 UTC.
  • Volcanic ash not identifiable as area obscured by meteorological cloud. Height lowered to flight level 100 (3000m) as volcanic ash to flight level 160 (4800m) has dissipated. Cvghm estimated volcanic ash to 1000m above summit at 13/0256z. Volcanic ash forecast move from satellite img, ground repeat and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-13 at 02:34 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 160 (4800m) move north east at 13 0200 UTC.
  • Volcanic ash observation on visibility and rgb satellite img move to north east. Height raised to flight level 160 (4800m) based on infrared temperature of 1c at 13/0200z. Cvghm estimated volcanic ash to 1000m above summit at 13/0024z. Volcanic ash forecast move from satellite img, ground repeat and model guidance. Advisory updated due plume height.

Original Message :

Volcanic Ash Advisory issued on 2024-01-13 at 00:20 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash observation to flight level 100 (3000m) move north east at 13 0000 UTC.
  • Volcanic ash observation on visibility and rgb satellite img move to north east. Height raised to flight level 100 (3000m) based on infrared temperature of 12c at 12/2350z. Cvghm estimated volcanic ash to 1000m above summit at 12/2241z. Volcanic ash forecast move from satellite img, ground repeat and model guidance. Advisory updated as volcanic ash observation outside forecast.

Original Message :

Volcanic Ash Advisory issued on 2024-01-12 at 19:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Ground report observation volcanic ash to flight level 80 (2400m) at 12/1-00-0- 60:0z UTC.
  • Volcanic ash not identifiable on latest satellite img due to meteorological cloud, however volcanic ash still expected in the area. Cvghm reported eruption 300-700m above summit. Volcanic ash height and movement based on satellite img, ground report, kupang 12 1200 UTC sounding and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-12 at 13:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) observation from ground at 12 1000 UTC.
  • Volcanic ash not identifiable on latest satellite img due to meteorological cloud, however volcanic ash still expected in the area. Cvghm reported eruption 300-700m above summit from 12 0400 UTC to 12/1000z. Volcanic ash height and movement based on satellite img, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-12 at 07:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move e observation from ground at 11 2200 UTC.
  • Volcanic ash not identifiable on latest satellite img due to meteorological cloud, however volcanic ash still expected in the area. Cvghm reported 4 eruptions 11 1600 UTC and 11/2200z. Volcanic ash height and movement based on satellite img, ground report, kupang 12 0000 UTC sounding and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-12 at 01:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move ese observation from ground at 11 1036 UTC.
  • Volcanic ash not identifiable on latest 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.

Original Message :

Volcanic Ash Advisory issued on 2024-01-11 at 19:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move ese observation from ground at 11 1036 UTC.
  • Volcanic ash not identifiable on recent himawari-9 satellite imagery. However volcanic ash 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 2024-01-11 at 13:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 80 (2400m) move ese observation from ground at 11 1036 UTC.
  • Volcanic ash not identifiable on recent himawari-9 satellite imagery. However volcanic ash 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 2024-01-11 at 07:00 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) move north east at 11 0640 UTC.
  • Continuous volcanic ash plume partially discernible on visibility satellite img extending nne. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-11 at 01:00 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) move north east at 11 0040 UTC.
  • Continuous volcanic ash plume partially discernible on visibility satellite img extending north east. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-10 at 19:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash eruption to flight level 140 (4200m) move north east last observation before a break in coverage at a manual station observation at 10 1710 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud,last observation at 10/1710z. However, volcanic ash emission is expected to be ongoing. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-10 at 13:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash eruption to flight level 140 (4200m) move north east last observation before a break in coverage at a manual station observation at 10 0230 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud. However, volcanic ash emission is expected to be ongoing. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-10 at 07:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Vona state eruption to flight level 140 (4200m) move north east at 09 2234 UTC.
  • Cvghm report eruption to 2000m above summit. Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-10 at 07:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Vona state eruption to flight level 140 (4200m) move north east at 09 2234 UTC.
  • Cvghm report eruption to 2000m above summit. Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Volcanic ash height and movement based on satellite imagery, ground report and model guidance. Previous advisory corrected due to a typo.

Original Message :

Volcanic Ash Advisory issued on 2024-01-10 at 01:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Vona state eruption to flight level 140 (4200m) move north east at 09 2234 UTC.
  • Cvghm report eruption to 2000m above summit. Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-09 at 19:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) move nne last observation before a break in coverage at a manual station observation at 09 1831 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Cvghm reported eruption at 09/1831z. Height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-09 at 13:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) move north last observation before a break in coverage at a manual station observation at 09 0330 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Height and movement based on satellite imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-09 at 07:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) move nnw, last observation before a break in coverage at a manual station observation at 09 0330 UTC.
  • Volcanic ash not identifiable on satellite imagery due to meteorological. Cvghm reported eruption at 08/2147z. Height and movement based on himawari-9 satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-09 at 01:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) move nnw, last observation before a break in coverage at a manual station observation at 09 0050 UTC.
  • Volcanic ash identifiable on satellite imagery, last observation before a break in coverage at a manual station observation at 09/0050z. Cvghm reported eruption at 08/2147z. Height and movement based on himawari-9 satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-08 at 19:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) move nnw, last observation before a break in coverage at a manual station observation at 08 1800 UTC.
  • Volcanic ash unidentifiable on satellite imagery due to meteorological cloud, however volcanic ash is still expected in the area. Cvghm reported eruption at 08/0922z. Height and movement based on himawari-9 satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-08 at 15:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) observation at 08 1450 UTC move nnw.
  • Volcanic ash identifiable on satellite imagery partally obscured by meteorological cloud. Cvghm reported eruption at 08/0922z. Height and movement based on himawari-9 satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-08 at 09:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) observation at 08 0850 UTC move nnw.
  • Continous volcanic ash identifiable on satellite imagery. Height and movement based on himawari-9 satellite imagery, ground report, pilot weather report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-08 at 03:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 140 (4200m) observation move nw.
  • Continous volcanic ash emission identifiable on satellite imagery, last observation before a break in coverage at a manual station observation at 08/0250z. Height and movement based on himawari-9 satellite imagery, ground report, pilot weather report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-08 at 02:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) observation move nw.
  • Continous volcanic ash emission identifiable on satellite imagery, last observation before a break in coverage at a manual station observation at 08/0150z. Height and movement based on himawari-9 satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-07 at 20:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) observation at 07 1940 UTC move nw.
  • Volcanic ash partially identifiable on satellite imagery but obscured due to meteorological cloud. 07 0459 UTC vona reported eruption to height. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-07 at 15:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) last observation before a break in coverage at a manual station observation at 07 0620 UTC move nw.
  • Volcanic ash unidentifiable on satellite imagery due to meteorological cloud. 07 0459 UTC vona reported eruption to height. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-07 at 09:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) last observation before a break in coverage at a manual station observation at 07 0620 UTC move nw.
  • Volcanic ash unidentifiable on satellite imagery due to meteorological cloud. 07 0459 UTC vona reported eruption to height. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-07 at 03:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 100 (3000m) observation at 07 0240 UTC move nw.
  • Continuous volcanic ash identifiable on latest visible satellite imagery. Ground report at 06 2200 UTC observed volcanic ash at surface area. Cvghm reported volcanic ash 1500m above summit at 06/1019z. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-06 at 21:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 100 (3000m) observation at 06 1210 UTC move w.
  • Volcanic ash unidentifiable on latest rgb satellite img due to meteorological cloud, however volcanic ash emissions are expected to be ongoing. Cvghm reported volcanic ash 1500m above summit at 06/1019z. Volcanic ash height and move based on satellite img, ground report and model guidance. *advisory corrected for wind*.

Original Message :

Volcanic Ash Advisory issued on 2024-01-06 at 15:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 100 (3000m) observation at 06 1210 UTC move w.
  • Volcanic ash unidentifiable on latest rgb satellite imagery due to meteorological cloud however volcanic ash emissions are expected to be ongoing. Cvghm reported volcanic ash 1500m above summit at 06/0911z. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-06 at 09:01 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) observation at 06 0840 UTC move nw to southwest.
  • Continuous volcanic ash identifiable on latest satellite imgagery. Cvghm reported volcanic ash 1500m above summit at 06/0215z. Variable winds creating wide volcanic ash plume to nw through southwest. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-06 at 03:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) observation at 06 0330 UTC move wnw.
  • Continuous volcanic ash identifiable on satellite imgagery. Cvghm reported volcanic ash 1500m above summit at 06/0215z. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-05 at 23:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 100 (3000m) observation at 05 2240 UTC move wnw.
  • Continuous volcanic ash identifiable on satellite imgagery. Cvghm reported volcanic ash to 4800ft above summit at 05/2103z. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-05 at 17:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) move wnw last observation before a break in coverage at a manual station reported at 05 1000 UTC.
  • Volcanic ash unidentifiable on recent satellite imgagery due to meteorological cloud cover, however volcanic 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 2024-01-05 at 11:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) move wnw last observation before a break in coverage at a manual station reported at 05 0330 UTC.
  • Volcanic ash unidentifiable on recent satellite imgagery due to meteorological cloud cover, however volcanic 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 2024-01-05 at 05:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) move wnw last observation before a break in coverage at a manual station reported at 05 0330 UTC.
  • Volcanic ash unidentifiable on satellite imgagery due to meteorological cloud, however volcanic ash is still expected in the area due to ground report at 05/0330z. Volcanic ash height and movement based on satellite imagery, ground report and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-04 at 23:40 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station observation at 04 0930 UTC move wnw.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud. Volcanic ash height and forecast move based on himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-04 at 17:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station observation at 04 0930 UTC move wnw.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud and darkness. Volcanic ash height and forecast move based on himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-04 at 11:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station observation at 04 0930 UTC move wnw.
  • Volcanic ash unidentifiable on satellite img due to meteorological cloud. Volcanic ash height and forecast move based on himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-04 at 05:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) observation at 04 0520 UTC.
  • Continuous volcanic ash emissions extending to wnw of lewotobi. Volcanic ash height verified by infrared temperature of 13c at 03 2320 UTC and forecast move extrapolated from himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-03 at 23:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) observation at 03 2330 UTC.
  • Continuous volcanic ash emissions extending to wnw of lewotobi. Grnd repeat at 03 2200 UTC suggests no volcanic ash at watc airport. Volcanic ash height verified by infrared temperature of 13c at 03 2320 UTC and forecast move extrapolated from himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-03 at 17:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station observation at 03 0410 UTC.
  • Volcanic ash unidentifiable since 03 0410 UTC due to obscuration, however ash still expected in vicinity of volcano due to continuous emissions. Height and movement extrapolated from himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-03 at 11:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station observation at 03 0410 UTC.
  • Volcanic ash unidentifiable since 03 0410 UTC due to obscuration, however ash still expected in vicinity of volcano due to continuous emissions. Height and movement extrapolated from himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-03 at 05:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) move wnw last observation before a break in coverage at a manual station observation at 03 0410 UTC.
  • Volcanic ash unidentifiable on latest satellite img due to meteorological cloud and sunglint. Height and forecast based on satellite imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-02 at 23:51 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) move wnw last observation before a break in coverage at a manual station observation at 02 2330 UTC.
  • Volcanic ash observation move wnw on latest visibility satellite img. Height and forecast based on satellite imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-02 at 21:30 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) move w last observation before a break in coverage at a manual station observation at 02 0400 UTC.
  • Volcanic ash unidentifiable on recent satellite img due to meteorological cloud. Volcanic ash height and forecast based on satellite data and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-02 at 15:35 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) move w last observation before a break in coverage at a manual station observation at 02 0400 UTC.
  • Volcanic ash unidentifiable on recent satellite imagery,however ash is still expected in the area. Volcanic ash height and forecast based on satellite data and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2024-01-02 at 09:35 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) move w last observation before a break in coverage at a manual station observation at 02 0400 UTC.
  • Volcanic ash unidentifiable on recent satellite imagery,however ash is still expected in the area. Volcanic ash height and forecast based on satellite data and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-30 at 01:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station observation 29 0930 UTC.
  • Volcanic ash not identifiable on current satellite imagery, however eruption is expected to be ongoing. Volcanic ash height and forecast move based on 28 2153 UTC ground report, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-29 at 19:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station observation 29 0930 UTC.
  • Volcanic ash not identifiable on current satellite imagery, however eruption is expected to be ongoing. Volcanic ash height and forecast move based on 28 2153 UTC ground report, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-29 at 13:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) last observation before a break in coverage at a manual station observation 29 0930 UTC.
  • Volcanic ash not identifiable on current satellite imagery, however eruption is expected to be ongoing. Volcanic ash height and forecast move based on 28 2153 UTC ground report, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-29 at 07:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) extend nw observation at 29 0650 UTC.
  • Volcanic ash discernible on latest satellite image, move w. Ground report at 28 2153 UTC indicated volcanic ash reaching to 800m above volcano crater. Volcanic ash height and forecast move based on ground report, himawari-9 imagery and model guidance.

Original Message :

Volcanic Ash Advisory issued on 2023-12-29 at 01:15 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Continuous volcanic ash to flight level 90 (2700m) extend w observation at 19 0050 UTC.
  • Volcanic ash discernible on latest satellite visibility image, move w. Ground report at 28 2153 UTC indicates volcanic ash reaching to 800m above volcano. Volcanic ash height and forecast move based on ground report, himawari-9 imagery and model guidance.

Original Message :