(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20190821/2157Z (3) Volcano:Karymsky (CAVW #300130) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2019-121 (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:According to data by Tokyo VAAC, explosions sent ash up to 6 km a.s.l. about 1550 UTC on 21 August. Ash plume continues to drift to the south-west of the volcano. A front of ash plume decreased to 4.0-4.5 km a.s.l.\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:13120-14760 ft (4000-4500 m) AMSL Time and method of ash plume/cloud height determination: 20190821/2130Z – Himawari-8(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 112 mi (180 km)\nDirection of drift of ash plume/cloud of the volcano: SSW / azimuth 194 deg \nTime and method of ash plume/cloud determination: 20190821/2130Z – 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/index_eng.php.\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.