(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20201021/0254Z
(3) Volcano:	Karymsky (CAVW #300130)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	green
(6) Source:	KVERT
(7) Notice Number:	2020-189
(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 AMC Elizovo (from pilots), explosions sent ash up to 4 km a.s.l. about 0230 UTC on 21 October. Ash plume continues to drift to the south-east of the volcano. Last esplosions of Karymsky was noted on 29 July, 2020. KVERT continues to monitor the volcano. A 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:	13120-16400 ft (4000-5000 m) AMSL Time and method of ash plume/cloud height determination: 20201021/0220Z – Himawari-8
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 25 mi (40 km) Direction of drift of ash plume/cloud of the volcano: SE / azimuth 134 deg Time and method of ash plume/cloud determination: 20201021/0220Z – Himawari-8 Start time of explosion and how determined: 20201021/0215Z – Satellite data
(14) Remarks:
(15) Contacts:	Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS girina@kscnet.ru +74152202044 Duty 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/. In 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.