Overall Green Volcanic eruption for Sheveluch
in Russia

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 2026-02-22 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-22 at 03:56 UTC.

    Key information extracted from original VAA message :


  • Eruption at 2026-02-22 02:53 UTC flight level 200 (6000m) reported.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-02-22 at 03:22 UTC.

    Key information extracted from original VAA message :


  • Eruption at 2026-02-22 02:53 UTC flight level 200 (6000m) reported.
  • We will issue further advisory if volcanic ash is detected in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2026-02-17 at 23:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash is not identifiable in satellite imagery.
  • Volcanic ash is not identifiable due to meteorological cloud or has dissipated. We will issue further advisory if volcanic ash detected in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2026-02-17 at 18:46 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash at 2026-02-17 18:20 UTC flight level 170 (5100m) extend e.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-02-17 at 05:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash is not identifiable in satellite imagery.
  • Volcanic ash is not identifiable due to meteorological cloud or has dissipated. We will issue further advisory if volcanic ash detected in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2026-02-17 at 00:12 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Sc.

Original Message :

Volcanic Ash Advisory issued on 2026-02-17 at 00:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-16 at 18:10 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Sc.

Original Message :

Volcanic Ash Advisory issued on 2026-02-16 at 18:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emissions continuing.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-16 at 12:10 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ts.

Original Message :

Volcanic Ash Advisory issued on 2026-02-16 at 12:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emissions continuing.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-16 at 08:05 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ts.

Original Message :

Volcanic Ash Advisory issued on 2026-02-16 at 07:50 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-16 07:20 UTC flight level 280 (8400m) extend north east.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-09 at 05:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash is not identifiable in satellite imagery.
  • Volcanic ash is not identifiable due to meteorological cloud or has dissipated. We will issue further advisory if volcanic ash detected in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2026-02-09 at 00:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-02-08 at 18:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-02-08 at 12:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-08 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-08 at 03:10 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-08 02:20 UTC flight level 280 (8400m) extend w.
  • Volcanic ash of previous vaa has dissipated in satellite imagery. New volcanic ash.

Original Message :

Volcanic Ash Advisory issued on 2026-02-08 at 00:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-02-07 at 18:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-02-07 at 12:15 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Dr.

Original Message :

Volcanic Ash Advisory issued on 2026-02-07 at 12:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Volcanic ash of previous vaa[fl150] is not identifiable due to meteorological cloud or has dissipated.

Original Message :

Volcanic Ash Advisory issued on 2026-02-07 at 08:06 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-07 07:10 UTC flight level 150 (4500m) extend nw.
  • New volcanic ash observation in satellite imagery. Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-07 at 06:15 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Bs.

Original Message :

Volcanic Ash Advisory issued on 2026-02-07 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Volcanic ash height updated to flight level 220 (6600m) based on satellite data. Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-07 at 00:10 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ts.

Original Message :

Volcanic Ash Advisory issued on 2026-02-07 at 00:00 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-06 23:20 UTC flight level 270 (8100m) extend nw.
  • Volcanic ash of previous vaa[fl280,fl250] has dissipated in satellite imagery. New volcanic ash observation in satellite imagery. Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-06 at 18:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-06 at 12:35 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Dr.

Original Message :

Volcanic Ash Advisory issued on 2026-02-06 at 12:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-06 at 06:35 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Cc.

Original Message :

Volcanic Ash Advisory issued on 2026-02-06 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-06 at 00:15 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ts.

Original Message :

Volcanic Ash Advisory issued on 2026-02-06 at 00:00 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-05 23:10 UTC flight level 250 (7500m) extend nw.
  • New volcanic ash observation in satellite imagery. Volcanic ash of previous vaa[fl120] is not identifiable due to meteorological cloud or has dissipated. Some part of volcanic ash.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 18:10 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ts.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 18:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emissions continuing.
  • Some part of va[fl280] obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 12:55 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-05 12:00 UTC flight level 120 (3600m) extend nw.
  • New volcanic ash observation in satellite imagery. Some part of va[fl280] obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 12:10 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ns.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 12:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 06:15 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Cc.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emissions continuing.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 03:45 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Cc.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 03:32 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-05 00:20 UTC flight level 280 (8400m) extend nw.
  • Volcanic ash height updated to flight level 280 (8400m) based on satellite data. Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 01:55 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Cc.

Original Message :

Volcanic Ash Advisory issued on 2026-02-05 at 01:23 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-05 00:20 UTC flight level 230 (6900m) extend nw.
  • Volcanic ash of previous vaa has dissipated in satellite imagery. New volcanic ash.

Original Message :

Volcanic Ash Advisory issued on 2026-02-04 at 23:40 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash at 2026-02-04 23:10 UTC flight level 110 (3300m) extend north.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-02-03 at 12:00 UTC.

    Key information extracted from original VAA message :


  • None.
  • Volcanic ash advisory center tokyo has transferred responsibility of this event to volcanic ash advisory center anchorage. This advisory updates message fvfe01 rjtd. Volcanic ash obscure in meteorological clds. Bh.

Original Message :

Volcanic Ash Advisory issued on 2026-02-03 at 09:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • The responsibility for this ash event is being transferred to volcanic ash advisory center anchorage. The next advisory will be issued by volcanic ash advisory center anchorage by 1200UTC under header fvak22 pawu. Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-03 at 06:10 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ts.

Original Message :

Volcanic Ash Advisory issued on 2026-02-03 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-03 at 03:10 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ts.

Original Message :

Volcanic Ash Advisory issued on 2026-02-03 at 02:48 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-03 02:10 UTC flight level 280 (8400m) extend nw.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-02-02 at 15:09 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud. The responsibility for this ash event is being transferred to volcanic ash advisory center anchorage. The next advisory will be issued by volcanic ash advisory center anchorage by 1500UTC under header fvak22 pawu.

Original Message :

Volcanic Ash Advisory issued on 2026-02-02 at 14:45 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash from 2026-02-02 01:20 UTC eruption.
  • Volcanic ash advisory center tokyo has transferred responsibility of this event to volcanic ash advisory center anchorage. This advisory updates message fvfe01 rjtd. Bh.

Original Message :

Volcanic Ash Advisory issued on 2026-02-02 at 12:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-02 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emissions continuing.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-02 at 02:25 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Ts.

Original Message :

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

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-02-02 01:20 UTC flight level 280 (8400m) extend north.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-02-02 at 01:36 UTC.

    Key information extracted from original VAA message :


  • Eruption at 2026-02-02 01:00 UTC flight level 200 (6000m) reported.
  • Volcanic ash height estimated from seismic data. We will issue further advisory if volcanic ash is detected in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2026-02-01 at 05:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash is not identifiable in satellite imagery.
  • Volcanic ash is not identifiable due to meteorological cloud or has dissipated. We will issue further advisory if volcanic ash detected in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2026-02-01 at 00:00 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash continuously observation in satellite imagery.
  • Volcanic ash obscured by meteorological cloud. However volcanic ash is still expected in the area.

Original Message :

Volcanic Ash Advisory issued on 2026-01-31 at 21:01 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-01-31 20:00 UTC flight level 180 (5400m) extend nw.
  • Volcanic ash of previous vaa has dissipated in satellite imagery. New volcanic ash.

Original Message :

Volcanic Ash Advisory issued on 2026-01-31 at 18:26 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-01-31 17:30 UTC flight level 180 (5400m) extend nw.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-31 at 06:07 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Sc.

Original Message :

Volcanic Ash Advisory issued on 2026-01-31 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • The responsibility for this ash event is being transferred to volcanic ash advisory center anchorage. The next advisory will be issued by volcanic ash advisory center anchorage by 1200 UTC under header fvak22 pawu. Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-31 at 00:07 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Mb.

Original Message :

Volcanic Ash Advisory issued on 2026-01-31 at 00:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Part of volcanic ash obscured by meteorological cloud. Volcanic ash height updated to flight level 220 (6600m) based on satellite data.

Original Message :

Volcanic Ash Advisory issued on 2026-01-30 at 18:05 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Mb.

Original Message :

Volcanic Ash Advisory issued on 2026-01-30 at 18:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-30 at 16:27 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-01-30 15:20 UTC flight level 280 (8400m) extend north.
  • Volcanic ash height updated to flight level 280 (8400m) based on satellite data. Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-30 at 16:02 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-01-30 15:20 UTC flight level 220 (6600m) extend north east.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-01-29 at 11:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash dissipated on satellite imagery.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-01-29 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emissions continuing.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-01-29 at 01:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash at 2026-01-29 00:30 UTC flight level 130 (3900m) extend southwest.
  • None.

Original Message :

Volcanic Ash Advisory issued on 2026-01-28 at 23:50 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash is not identifiable in satellite imagery.
  • Volcanic ash is not identifiable due to meteorological cloud or has dissipated. We will issue further advisory if volcanic ash detected in satellite imagery.

Original Message :

Volcanic Ash Advisory issued on 2026-01-28 at 18:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-28 at 12:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud. Volcanic ash height updated to flight level 230 (6900m) from flight level 300 (9000m) based on satellite data.

Original Message :

Volcanic Ash Advisory issued on 2026-01-28 at 09:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emissions continuing.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-28 at 06:00 UTC.

    Key information extracted from original VAA message :


  • Eruption at 2026-01-28 04:50 UTC flight level 300 (9000m) extend southwest reported.
  • New volcanic ash observation in satellite imagery. Volcanic ash of previous vaa[fl170] is not identifiable due to meteorological cloud or has dissipated. Some part of volcanic ash.

Original Message :

Volcanic Ash Advisory issued on 2026-01-28 at 03:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emissions continuing.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-27 at 23:06 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-01-27 21:40 UTC flight level 200 (6000m) extend w.
  • New volcanic ash observation in satellite imagery. Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-27 at 17:53 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-27 at 15:52 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash at 2026-01-27 15:10 UTC flight level 170 (5100m) extend southwest.
  • Some part of volcanic ash obscured by meteorological cloud.

Original Message :

Volcanic Ash Advisory issued on 2026-01-25 at 11:45 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Residual volcanic ash from 2026-01-23 07:30 UTC eruption.
  • Volcanic ash signal has become too diffuse to detect. Advisories are ended as a result. Volcanic ash graphic at weather. Gc. Ca/eer/vaac/ [all lower case].

Original Message :

Volcanic Ash Advisory issued on 2026-01-25 at 05:50 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Residual volcanic ash from 2026-01-23 07:30 UTC eruption.
  • Volcanic ash signal has weakened considerably along southern end in the last observation before a break in coverage at a manual station few remaining volcanic ash expected to start to move to the west and continue to in the next 6 volcanic ash graphic at weather. Gc. Ca/eer/vaac/ [all lower case].

Original Message :

Volcanic Ash Advisory issued on 2026-01-24 at 23:54 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Residual volcanic ash from 2026-01-23 07:30 UTC eruption.
  • Volcanic ash signal persisting in satellite imagery. Volcanic ash area becoming elongated in north-south direction and slow weakening trend expected to continue. Volcanic ash graphic at weather. Gc. Ca/eer/vaac/ [all lower case].

Original Message :

Volcanic Ash Advisory issued on 2026-01-24 at 17:55 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Residual volcanic ash from 2026-01-23 07:30 UTC eruption.
  • Volcanic ash signal persisting in satellite imagery. Volcanic ash area becoming elongated in north-south direction and weakening trend expected to continue. Volcanic ash graphic at weather. Gc. Ca/eer/vaac/ [all lower case].

Original Message :

Volcanic Ash Advisory issued on 2026-01-24 at 12:11 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Residual volcanic ash from 2026-01-23 07:30 UTC eruption.
  • Faint volcanic ash still seen in goes-west imagery. Signal may fade before 24/1800z. Corrected to remove duplicate coordinates. Volcanic ash graphic at weather. Gc. Ca/eer/vaac/ [all lower case].

Original Message :

Volcanic Ash Advisory issued on 2026-01-24 at 06:00 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • Residual volcanic ash from 2026-01-23 07:30 UTC eruption.
  • Volcanic ash signal still seen in satellite imagery through 05:20 UTC the signal may not persist until 12:00 UTC but the expected position is in the event it volcanic ash advisory center anchorage has transferred responsibility of this event to volcanic ash advisory center montreal. Volcanic ash graphic at weather. Gc. Ca/eer/vaac/ [all lower case].

Original Message :

Volcanic Ash Advisory issued on 2026-01-24 at 00:57 UTC.

    Key information extracted from original VAA message :


    Aviation Colour Code :  


  • None.
  • Please see fvak21 pawu 240044 issued by the anchorage volcanic ash advisory center which describes conditions over or near the montreal volcanic ash advisory center area of responsibility. Volcanic ash graphic at weather. Gc. Ca/eer/vaac/ [all lower case].

Original Message :

Volcanic Ash Advisory issued on 2026-01-24 at 00:33 UTC.

    Key information extracted from original VAA message :


  • Residual volcanic ash from 2026-01-23 07:30 UTC eruption.
  • Nil. Ns.

Original Message :

Volcanic Ash Advisory issued on 2026-01-23 at 21:00 UTC.

    Key information extracted from original VAA message :


  • Eruption from 2026-01-23 07:30 UTC.
  • Nil. Dr.

Original Message :

Volcanic Ash Advisory issued on 2026-01-23 at 15:00 UTC.

    Key information extracted from original VAA message :


  • Eruption from 2026-01-23 07:30 UTC.
  • Volcanic ash advisory center tokyo has transferred responsibility of this event to volcanic ash advisory center anchorage. This advisory updates message fvfe01 rjtd. Pd.

Original Message :

Volcanic Ash Advisory issued on 2026-01-23 at 12:10 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Pd.

Original Message :

Volcanic Ash Advisory issued on 2026-01-23 at 12:00 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash continuously observation in satellite imagery.
  • The responsibility for this ash event is being transferred to volcanic ash advisory center anchorage. The next advisory will be issued by volcanic ash advisory center anchorage by 1500UTC under header fvak21 pawu.

Original Message :

Volcanic Ash Advisory issued on 2026-01-23 at 08:10 UTC.

    Key information extracted from original VAA message :


  • Please see fvfe01 rjtd issued by volcanic ash advisory center tokyo which describes conditions near the volcanic ash advisory center anchorage area of responsibility. Mb.

Original Message :

Volcanic Ash Advisory issued on 2026-01-23 at 07:59 UTC.

    Key information extracted from original VAA message :


  • Poss eruption observation at 2026-01-23 07:30 UTC flight level 290 (8700m) extend north.
  • None.

Original Message :