(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20200526/2145Z (3) Volcano:Karymsky (CAVW #300130) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2020-100 (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:A moderate explosive activity of the volcano continues. According to satellite data, an ash cloud 19x24 km in size continues to drift to the southeast of the volcano. Explosions sent ash up to 5.0 km a.s.l. at 15:30 UTS on 26 May.\n\nA moderate eruptive activity of the volcano continues. 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 aircrafts. (12) Volcanic cloud height:9840-11480 ft (3000-3500 m) AMSL Time and method of ash plume/cloud height determination: 20200526/2100Z – Himawari-8(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 80 mi (128 km)\nDirection of drift of ash plume/cloud of the volcano: SE / azimuth 133 deg \nTime and method of ash plume/cloud determination: 20200526/2100Z – Himawari-8\nStart time of explosion and how determined: 20200526/1530Z – 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.