(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20201209/2251Z (3) Volcano:Karymsky (CAVW #300130) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:yellow (6) Source:KVERT (7) Notice Number:2020-236 (8) Volcano Location:N 54 deg 2 min E 159 deg 26 min (9) Area:Kamchatka, Russia (10) Summit Elevation:4874.08 ft (1486 m)(11) Volcanic Activity Summary:The explosive activity of Karymsky volcano resumed. The ash explosions of the volcano up to 6-7 km a.s.l. began from about 20:45 UTC on 09 December. Ash clouds are drifting to the northwest of the volcano.\n\nA moderate explosive activity of the volcano continues. The ash explosions up to 16,400-23,000 ft (5-7 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft. (12) Volcanic cloud height:19680-22960 ft (6000-7000 m) AMSL Time and method of ash plume/cloud height determination: 20201209/2230Z – Himawari-8(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 37 mi (60 km)\nDirection of drift of ash plume/cloud of the volcano: NW / azimuth 315 deg \nStart time of explosion and how determined: 20201209/2045Z – Satellite data(14) Remarks:(15) Contacts:Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS\ngirina@kscnet.ru +74152202044\n\nDuty 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/.\n\nIn 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.