(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20211101/0114Z
 (3) Volcano:Karymsky (CAVW #300130)
 (4) Current aviation colour code:ORANGE
 (5) Previous aviation colour code:orange
 (6) Source:KVERT
 (7) Notice Number:2021-133
 (8) Volcano Location:N 54 deg 2 min E 159 deg 26 min
 (9) Area:Kamchatka, Russia
(10) Summit Elevation:1486 m (4874.08 ft)
(11) Volcanic Activity Summary:A moderate eruptive activity of the volcano continues. Satellite data by KVERT showed: explosions sent ash up to 3.5 km a.s.l., and ash plume is extending for 35 km to the southeast of the volcano.

A moderate eruptive activity of the volcano continues. Ash explosions up to 7-8 km (23,000-26,200 ft) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircrafts.
(12) Volcanic cloud height:3000-3500 m (9840-11480 ft) AMSL Time and method of ash plume/cloud height determination: 20211101/0010Z – Himawari-8
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 35 km (22 mi)
Direction of drift of ash plume/cloud of the volcano: SE / azimuth 126 deg
Time and method of ash plume/cloud determination: 20211101/0040Z – Himawari-8
Start time of explosion and how determined: 20211101/0010Z – Satellite data
(14) Remarks:
(15) Contacts:Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS
girina@kscnet.ru +74152202044

Duty scientist: +79622825253
(16) Next Notice:A new VONA will be issued if conditions change significantly or the colour code is changed. VONAs are posted at http://www.kscnet.ru/ivs/kvert/.

In Russia, KVERT, on behalf of the Institute of Volcanology and Seismology (IVS) FEB RAS, is responsible for providing information on volcanic activity to international air navigation services for the airspace users.