(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20201230/0227Z (3) Volcano:Karymsky (CAVW #300130) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2020-256 (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 continues. Ash clouds are drifting to the westnorthwest 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:13120 ft (4000 m) AMSL Time and method of ash plume/cloud height determination: 20201230/0140Z – 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: WNW / azimuth 295 deg \nTime and method of ash plume/cloud determination: 20201230/0140Z – Himawari-8(14) Remarks:(15) Contacts: Anton A. Nuzhdaev, IVS FEB RAS\nenvi@kscnet.ru \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.