(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20210915/2224Z (3) Volcano:Karymsky (CAVW #300130) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2021-111 (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:An emission of ash from the volcano continues. According to satellite data, a long ash plume is extending for 180 km to the southeast of the volcano; but ash cloud 11x11 km in size is driftinf for 58 km to the southeast (165 degrees azimuth) of the volcano.\n\nA moderate eruptive activity of the volcano continues. Ash explosions up to 19,700-23,000 ft (6-7 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircrafts. (12) Volcanic cloud height:2500-3000 m (8200-9840 ft) AMSL Time and method of ash plume/cloud height determination: 20210915/2150Z – Himawari-8(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 180 km (112 mi)\nDirection of drift of ash plume/cloud of the volcano: ESE / azimuth 118 deg \nTime and method of ash plume/cloud determination: 20210915/2150Z – Himawari-8(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.