(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20220523/2323Z
(3) Volcano:	Bezymianny (CAVW #300250)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	yellow
(6) Source:	KVERT
(7) Notice Number:	2022-39
(8) Volcano Location:	N 55 deg 58 min E 160 deg 35 min
(9) Area:	Kamchatka, Russia
(10) Summit Elevation:	2882 m (9452.96 ft)
(11) Volcanic Activity Summary:	The extrusive-effusive eruption of the volcano continues, a strong fumarole activity, and an incandescence of the lava dome, and hot avalanches accompanies this process. Strong hot avalanches on the eastern flank of the lava dome continues. A gas-steam plume with some amount of ash is extending for 30 km to the northwest of the volcano. The extrusive-effusive eruption of the volcano continues. Aerosol clouds and ash plumes from hot avalanches could occur at any time. Ongoing activity could affect low-flying aircraft.
(12) Volcanic cloud height:	4000-4500 m (13120-14760 ft) AMSL Time and method of ash plume/cloud height determination: 20220523/2300Z – Video data
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 30 km (19 mi) Direction of drift of ash plume/cloud of the volcano: WNW / azimuth 294 deg Time and method of ash plume/cloud determination: 20220523/2223Z – NOAA 19 (4m5)
(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.