(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20170324/2339Z
 (3) Volcano:Kambalny (CAVW #300010)
 (4) Current Aviation Color Code:ORANGE
 (5) Previous Aviation Color Code:green
 (6) Source:KVERT
 (7) Notice Number:2017-25
 (8) Volcano Location:N 51 deg 18 min E 156 deg 52 min
 (9) Area:Kamchatka, Russia
(10) Summit Elevation:7071.68 ft (2156 m)
(11) Volcanic Activity Summary:An eruption of Kambalny volcano began about 21:20 UTC according to report of local observers. Satellite data showed an ash plume about 35 km to south-west from the volcano.

An explosive eruption of the volcano continues. Ash explosions up to 19,700-26,200 ft (6-8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:16400-19680 ft (5000-6000 m) AMSL Time and method of ash plume/cloud height determination: 20170324/2120Z – Visual data
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 22 mi (35 km)
Direction of drift of ash plume/cloud of the volcano: SW / azimuth 234 deg
Time and method of ash plume/cloud determination: 20170324/2250Z – Himawary-8
(14) Remarks:
(15) Contacts: Alexander G. Manevich, IVS FEB RAS
mag@kscnet.ru +74152202115

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.