(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20170614/2108Z (3) Volcano:Sheveluch (CAVW #300270) (4) Current Aviation Color Code:RED (5) Previous Aviation Color Code:red (6) Source:KVERT (7) Notice Number:2017-128 (8) Volcano Location:N 56 deg 38 min E 161 deg 18 min (9) Area:Kamchatka, Russia (10) Summit Elevation:10768.24 ft (3283 m), the dome elevation ~8200 ft (2500 m)(11) Volcanic Activity Summary:Large ash cloud in size of 196x223 km is observing over Sheveluch volcano. Front of ash cloud with large content of ash particles (in size 67x54 km) is noting for about 96 km to the north-northwest (azimuth 344 degrees) from the volcano, but the other front of ash cloud - 118 km to the south-west (azimuth 226 degrees) from the volcano. Activity of the volcano continues.\n\nExplosive-extrusive eruption of the volcano continues. 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:32800-39360 ft (10000-12000 m) AMSL Time and method of ash plume/cloud height determination: 20170614/2020Z – Himawari-8(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 60 mi (96 km)\nDirection of drift of ash plume/cloud of the volcano: NNW / azimuth 344 deg \nTime and method of ash plume/cloud determination: 20170614/2020Z – Himawari-8(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.