Overall Red Volcanic eruption for Nyiragongo
in Democratic Republic of Congo

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 2021-06-04 at 08:29 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC seismic activity ongoing.
  • Ground observation report small plume from the crater. Feeble volcanic ash possible in the vicinity of the volcano below flight level 140 (4200m) no volcanic ash cloud detectable on satellite imagery in spite of good visibility.

Original Message :

Volcanic Ash Advisory issued on 2021-06-04 at 02:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-06-22 16:30 UTC ongoing.
  • Volcanic ash ash is not detectable on satellite data. A light plume emmitted from the volcano crater with estimated top of clouds at flight level 150 (4500m) is reported by ground observations.

Original Message :

Volcanic Ash Advisory issued on 2021-06-03 at 20:54 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Due to cloud mask, volcanic ash is not detectable on satellite data.

Original Message :

Volcanic Ash Advisory issued on 2021-06-03 at 14:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Due to cloud mask, volcanic ash is not detectable on satellite data. Light ash cloud is still possible in the vicinity of the volcano, particularly on its area.

Original Message :

Volcanic Ash Advisory issued on 2021-06-03 at 08:52 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Volcanic ash not detectable on satellite data due to cloud mask, but there is a risk of light ash cloud in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-06-03 at 02:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC ongoing.
  • Volcanic ash not detectable on satellite imagery due to cloud mask. There is still a risk of ash cloud in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-06-02 at 21:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC ongoing.
  • Volcanic ash not detectable due to cloud mask on satellite imagery. There is still a risk of volcanic ash in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-06-02 at 14:51 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC is decreasing.
  • Decreasing seismic activity. There is still a risk of volcanic ash in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-06-02 at 08:38 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC is decreasing.
  • Ongoing moderate sismic activity. There is still a risk of volcanic ash in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-06-02 at 02:57 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC is decreasing.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2021-06-01 at 20:58 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC is decreasing.
  • Cloud mask makes volcanic ash observation from satellite imagery difficult. However thin volcanic ash particles are observed in the vicinity of the volcano. Next advisory: no later than 20210602/0300z=.

Original Message :

Volcanic Ash Advisory issued on 2021-06-01 at 14:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption is decreased.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2021-06-01 at 09:02 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC still ongoing.
  • On site observations report ash in the vicinity of the volcano [top 180].

Original Message :

Volcanic Ash Advisory issued on 2021-06-01 at 02:54 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC still ongoing.
  • Volcanic ash observation by satellite imagery is challenging due to cloud mask. On site observations report ash in the vicinity of the volcano [top 180].

Original Message :

Volcanic Ash Advisory issued on 2021-05-31 at 20:52 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC still ongoing.
  • Volcanic ash observation by satellite imagery is challenging due to cloud mask. On site observations report ash in the vicinity of the volcano [top 180].

Original Message :

Volcanic Ash Advisory issued on 2021-05-31 at 14:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC still ongoing.
  • Volcanic ash observation by satellite imagery is challenging due to cloud mask. On site observations report ash in the vicinity of the volcano [top 180].

Original Message :

Volcanic Ash Advisory issued on 2021-05-31 at 08:49 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC still ongoing.
  • Volcanic ash observation by satellite imagery is challenging due to cloud mask. On site observations still report ash in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-31 at 02:28 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Volcanic ash observation by satellite imagery is difficult due to cloud mask, but ground observations still report volcanic ash in the vicinity of the volcano. Next advisory: no later than 20210531/0900z=.

Original Message :

Volcanic Ash Advisory issued on 2021-05-30 at 20:46 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Volcanic ash observation by satellite imagery is difficult due to cloud mask, but ground observations still report volcanic ash in the vicinity of the volcano. Next advisory: no later than 20210531/0300z=.

Original Message :

Volcanic Ash Advisory issued on 2021-05-30 at 14:46 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Ground observation of volcanic ash fall of decrasing intensity in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-30 at 08:59 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Ground observation of volcanic ash fall of decrasing intensity in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-30 at 02:59 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Ground observations still report ash cloud in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-29 at 20:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Ground observations still report ash cloud in the vicinity of goma.

Original Message :

Volcanic Ash Advisory issued on 2021-05-29 at 14:49 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2021-05-29 at 08:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2021-05-29 at 02:58 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2021-05-28 at 20:51 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Ash cloud reported by ground observations over goma.

Original Message :

Volcanic Ash Advisory issued on 2021-05-28 at 14:59 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Ash cloud reported by ground observations over goma and partly detected by satellite data, moving towards southeast.

Original Message :

Volcanic Ash Advisory issued on 2021-05-28 at 08:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC volcanic activity is decreasing.
  • Ground observations still report volcanic ash over goma. Ash cloud partly detected by satellite data south of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-28 at 02:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC volcanic activity is decreasing.
  • Ground observations still report volcanic ash in the atmosphere over goma. Volcanic ash is difficult to identify from satellite imagery due to cloud mask.

Original Message :

Volcanic Ash Advisory issued on 2021-05-27 at 20:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC volcanic activity is decreasing.
  • Ground observations still report volcanic ash in the atmosphere over goma.

Original Message :

Volcanic Ash Advisory issued on 2021-05-27 at 14:58 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC activity decreasing.
  • Ground observations still report volcanic ash in the atmosphere over goma. Volcanic ash identifiable by satellite too.

Original Message :

Volcanic Ash Advisory issued on 2021-05-27 at 08:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC strong seismic activity ongoing.
  • Ground observations still report volcanic ash in the atmosphere over goma. Volcanic ash difficult to identify from satellite imagery due to cloud mask, but volcanic ash can be detected in sunny spell.

Original Message :

Volcanic Ash Advisory issued on 2021-05-27 at 02:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC strong seismic activity ongoing.
  • Ground observations still report volcanic ash in the atmosphere over goma. Top of clouds volcanic ash cloud estimated at 6000m. Volcanic ash difficult to identify from satellite imagery due to cloud mask.

Original Message :

Volcanic Ash Advisory issued on 2021-05-26 at 20:54 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC strong seismic activity.
  • Ground observations still report volcanic ash in the atmosphere over goma. Top of clouds volcanic ash cloud estimated at 6000m. Volcanic ash difficult to identify from satellite imagery due to cloud mask.

Original Message :

Volcanic Ash Advisory issued on 2021-05-26 at 14:59 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC probably still some emission.
  • Probably slow drifting towards south ; no ash detected [sat imagery].

Original Message :

Volcanic Ash Advisory issued on 2021-05-26 at 09:13 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC probably still some low emission.
  • Some ash detected [sat imagery] 150 km at south from volcano. Slow drift towards south.

Original Message :

Volcanic Ash Advisory issued on 2021-05-26 at 02:58 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Volcanic ash cloud detectable on satellite imagery, slowly drifting towards south. Top of clouds cloud estimated at 6000m.

Original Message :

Volcanic Ash Advisory issued on 2021-05-25 at 21:02 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still in progess.
  • Volcanic ash cloud detectable on satellite imagery. Top of clouds estimated at 6000m. Due to low winds, little change expected regarding the contaminated area extend.

Original Message :

Volcanic Ash Advisory issued on 2021-05-25 at 17:59 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still in progress.
  • Volcanic ash cloud detectable on satellite imagery, top of clouds estimated at 6000m. Due to low winds, little change is expected regarding the contaminated area extend.

Original Message :

Volcanic Ash Advisory issued on 2021-05-25 at 11:52 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still in progress.
  • Volcanic ash cloud clearly detectable on satellite imagery, top of clouds estimated at 6000m. Ground observations report volcanic ash in the goma city atmsophere. Due to low winds, minor change is expected regarding the contaminated area extend.

Original Message :

Volcanic Ash Advisory issued on 2021-05-25 at 06:06 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC eruption still ongoing.
  • Volcanic ash identifiable from satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2021-05-24 at 23:32 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC feeble ash emission.
  • Few volcanic ash is possible in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-24 at 17:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC no significant eruption detected.
  • Few volcanic ash is possible in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-24 at 13:16 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 16:30 UTC no significant eruption detected.
  • Ash fallout observed around the volcano and neighbouring villages. Volcanic ash is difficult to detect due to mist and convective initial estimated top of clouds 6000m.

Original Message :

Volcanic Ash Advisory issued on 2021-05-24 at 11:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC no significant eruption detected.
  • Few volcanic ash possible in the vicinity of the volcano. Volcanic ash not detectable due to cloud mask.

Original Message :

Volcanic Ash Advisory issued on 2021-05-24 at 08:28 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC no significant eruption detected.
  • Few volcanic ash possible in the vicinity of the volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-24 at 02:56 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC no significant eruption detected.
  • Few ash and volcanic ash possible in the vicinity of the volcano. Volcanic ash not detectable due to cloud mask.

Original Message :

Volcanic Ash Advisory issued on 2021-05-23 at 20:58 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC no significant eruption detected.
  • Volcanic ash not detectable due to cloud mask. Few ash and s02 possible near volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-23 at 15:03 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC no significant eruption detected.
  • Lava ow still ongoing around crater. Few ash and SO2 possible near volcano.

Original Message :

Volcanic Ash Advisory issued on 2021-05-23 at 10:08 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC no significant eruption detected.
  • Lava ow still ongoing around crater. Few ash cloud and SO2 possible near summit.

Original Message :

Volcanic Ash Advisory issued on 2021-05-23 at 04:23 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC ongoing eruption.
  • Ash cloud estimated under flight level 300 (9000m).

Original Message :

Volcanic Ash Advisory issued on 2021-05-22 at 22:17 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC ongoing eruption.
  • Ash cloud estimated under flight level 450 (13500m).

Original Message :

Volcanic Ash Advisory issued on 2021-05-22 at 21:02 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Eruption at 2021-05-22 18:00 UTC ongoing eruption.
  • Ash cloud estimated to flight level 450 (13500m).

Original Message :