(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20170922/2355Z
 (3) Volcano:Karymsky (CAVW #300130)
 (4) Current Aviation Color Code:ORANGE
 (5) Previous Aviation Color Code:orange
 (6) Source:KVERT
 (7) Notice Number:2017-239
 (8) Volcano Location:N 54 deg 2 min E 159 deg 26 min
 (9) Area:Kamchatka, Russia
(10) Summit Elevation:4874.08 ft (1486 m)
(11) Volcanic Activity Summary:A moderate activity of the volcano continues. According to visual data, a moderate ash explosions sent ash up to 2 km a.s.l., ash plume drift to the south-east from the volcano.

A moderate activity of the volcano continues. Ash explosions up to 16,400-19,700 ft (5-6 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft.
(12) Volcanic cloud height:6560 ft (2000 m) AMSL Time and method of ash plume/cloud height determination: 20170922/2230Z – Visual data
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 9 mi (15 km)
Direction of drift of ash plume/cloud of the volcano: SE
Time and method of ash plume/cloud determination: 20170922/2230Z – Visual data
(14) Remarks:
(15) Contacts: Anton A. Nuzhdaev, IVS FEB RAS
envi@kscnet.ru

Duty scientist: +79622825253
(16) Next Notice:A new VONA will be issued if conditions change significantly or the Aviation Color Code is changes. VONAs are posted at http://www.kscnet.ru/ivs/kvert/index_eng.php.

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.