(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20221227/2206Z
(3) Volcano:	Sheveluch (CAVW #300270)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	orange
(6) Source:	KVERT
(7) Notice Number:	2022-193
(8) Volcano Location:	N 56 deg 38 min E 161 deg 18 min
(9) Area:	Kamchatka, Russia
(10) Summit Elevation:	3283 m (10768.24 ft), the dome elevation ~2500 m (8200 ft)
(11) Volcanic Activity Summary:	A growth of the lava dome continues, a strong fumarole activity, an incandescence of the lava dome, explosions, and hot avalanches accompanies this process. A gas-steam plume containing some amount of ash is extending about 20 km to the north-east of the volcano. An extrusive eruption of the volcano continues. Ash explosions up to 10-15 km (32,800-49,200 ft) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:	3500-4500 m (11480-14760 ft) AMSL Time and method of ash plume/cloud height determination: 20221227/2120Z – Video data
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 20 km (12 mi) Direction of drift of ash plume/cloud of the volcano: NE / azimuth 52 deg Time and method of ash plume/cloud determination: 20221227/2120Z – Himawari-9 14m15
(14) Remarks:
(15) Contacts:	Alexander G. Manevich, IVS FEB RAS mag@kscnet.ru +74152202115 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.