VOLKAM17 EXERCISE EXERCISE EXERCISE VOLKAM17 EXERCISE EXERCISE EXERCISE VOLKAM17 EXERCISE EXERCISE EXERCISE\n\n (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20170420/2300Z (3) Volcano:Koshelev (CAVW #300020) (4) Current Aviation Color Code:ORANGE (5) Previous Aviation Color Code:red (6) Source:KVERT (7) Notice Number:2017-0001 (8) Volcano Location:N 51 deg 21 min E 156 deg 45 min (9) Area:Kamchatka, Russia (10) Summit Elevation:5943.36 ft (1812 m)(11) Volcanic Activity Summary:The strong explosive eruption of Koshelev volcano has finished. According to satellite data, a thermal anomaly is observed over the volcano but no ash is erupting from the volcano at this time.\n\nA moderate gas-steam activity of the volcano continues. Ongoing activity could affect low-flying aircraft. (12) Volcanic cloud height:NO ASH CLOUD PRODUSED(13) Other volcanic cloud information:NO ASH CLOUD PRODUSED(14) Remarks:According to VAAC Tokyo forecast, at 2240 UTC on April 20, the leading edge of the ash cloud is an estimated 270 miles south-east of the volcano (FL450). See the VAAC Tokyo VAA/VAG and SIGMETs for current ash cloud information.(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.VOLKAM17 EXERCISE EXERCISE EXERCISE VOLKAM17 EXERCISE EXERCISE EXERCISE VOLKAM17 EXERCISE EXERCISE EXERCISE\n\n