(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20170615/1050Z (3) Volcano:Bezymianny (CAVW #300250) (4) Current Aviation Color Code:ORANGE (5) Previous Aviation Color Code:yellow (6) Source:KVERT (7) Notice Number:2017-136 (8) Volcano Location:N 55 deg 58 min E 160 deg 35 min (9) Area:Kamchatka, Russia (10) Summit Elevation:9452.96 ft (2882 m)(11) Volcanic Activity Summary:Satellite data by KVERT showed some increase of temperature of thermal anomaly over the volcano. According to video data by KVERT, a gas-steam plume raise up to 4 km a.s.l. and drift to the south-south-east from the volcano. \n\nActivity of the volcano is gradually increasing. Ash explosions up to 32,800-49,200 ft (10-15 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft. (12) Volcanic cloud height:NO ASH CLOUD PRODUSED(13) Other volcanic cloud information:NO ASH CLOUD PRODUSED(14) Remarks:(15) Contacts:Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS\ngirina@kscnet.ru +74152202044\n\nDuty 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.\n\nIn 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.