(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20211106/0723Z
(3) Volcano:	Karymsky (CAVW #300130)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	red
(6) Source:	KVERT
(7) Notice Number:	2021-139
(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. According to satellite data by KVERT, ash emission from the volcano up to 4.2 km a.s.l. continues, ash plume is extending for 20 km to the east of the volcano. But a large ash cloud 380x92 km in size on the height of 6.5-7 km a.s.l. continues to drift to the northeast of the volcano. A front of this ash cloud is located about 406 km on the azimuth of 71 degrees at this time. 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:	4000-4200 m (13120-13776 ft) AMSL Time and method of ash plume/cloud height determination: 20211106/0640Z – Himawari-8
(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: E / azimuth 90 deg Time and method of ash plume/cloud determination: 20211106/0640Z – Himawari-8
(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.