(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20210827/0503Z
(3) Volcano:	Karymsky (CAVW #300130)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	orange
(6) Source:	KVERT
(7) Notice Number:	2021-104
(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 eruptive activity of the volcano continues. According to satellite data, an ash plume is extending for 42 km to the east-northeast of the volcano. A moderate eruptive activity of the volcano continues. Ash explosions up to 19,700-23,000 ft (6-7 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircrafts.
(12) Volcanic cloud height:	1500-1600 m (4920-5248 ft) AMSL Time and method of ash plume/cloud height determination: 20210827/0430Z – Himawari-8
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 42 km (26 mi) Direction of drift of ash plume/cloud of the volcano: ENE / azimuth 75 deg Time and method of ash plume/cloud determination: 20210827/0430Z – Himawari-8 Start time of explosion and how determined: 20210827/0150Z – Satellite data
(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.