(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20211120/0103Z
(3) Volcano:	Karymsky (CAVW #300130)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	orange
(6) Source:	KVERT
(7) Notice Number:	2021-149
(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:	The eruptive activity of the volcano continues. Satellite data showed explosions sent ash up to 5.4 km a.s.l., and ash cloud 11x8 km in size to drift for 115 km to the north-west of the volcano. A moderate eruptive activity of the volcano continues. Ash explosions up to 10 km (32,800 ft) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:	5400 m (17712 ft) AMSL Time and method of ash plume/cloud height determination: 20211120/0011Z – NOAA 18 (4m5)
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 115 km (71 mi) Direction of drift of ash plume/cloud of the volcano: NNW / azimuth 327 deg Time and method of ash plume/cloud determination: 20211120/0011Z – NOAA 18 (4m5)
(14) Remarks:
(15) Contacts:	Dmitry V. Melnikov, IVS FEB RAS dvm@kscnet.ru 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.