(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20220504/0529Z
(3) Volcano:	Karymsky (CAVW #300130)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	orange
(6) Source:	KVERT
(7) Notice Number:	2022-31
(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:	A moderate explosive activity of the volcano continues. Satellite data showed explosions sent ash up to 2.5 km a.s.l., ash cloud 6x10 km in size move to the south-west of the volcano. A moderate explosive 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:	2500 m (8200 ft) AMSL Time and method of ash plume/cloud height determination: 20220504/0500Z – Himawari-8
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 15 km (9 mi) Direction of drift of ash plume/cloud of the volcano: WSW / azimuth 258 deg Time and method of ash plume/cloud determination: 20220504/0500Z – Himawari-8
(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.