(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20210801/0407Z
(3) Volcano:	Karymsky (CAVW #300130)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	orange
(6) Source:	KVERT
(7) Notice Number:	2021-77
(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 by KVERT, an ash plume is extending for 55 km to the south-east 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:	2000 m (6560 ft) AMSL Time and method of ash plume/cloud height determination: 20210801/0305Z – Suomi NPP (14m15)
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 55 km (34 mi) Direction of drift of ash plume/cloud of the volcano: SSE / azimuth 163 deg Time and method of ash plume/cloud determination: 20210801/0305Z – Suomi NPP (14m15)
(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.