(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20221125/2333Z
(3) Volcano:	Alaid (CAVW #290390)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	green
(6) Source:	KVERT
(7) Notice Number:	2022-181
(8) Volcano Location:	N 50 deg 51 min E 155 deg 33 min
(9) Area:	Northern Kuriles, Russia
(10) Summit Elevation:	2339 m (7671.92 ft)
(11) Volcanic Activity Summary:	An explosive activity of the volcano continues. Satellite data by KVERT showed an ash plume extended about 38 km to the south-east of the volcano. A moderate eruptive activity of the volcano continues. Ash explosions up to 8 km (26,200 ft) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:	4500-4700 m (14760-15416 ft) AMSL Time and method of ash plume/cloud height determination: 20221125/2225Z – NOAA-18 4m5
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 38 km (24 mi) Direction of drift of ash plume/cloud of the volcano: SE / azimuth 128 deg Time and method of ash plume/cloud determination: 20221126/2225Z – NOAA-19 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.