correction data about directions azimuths of ash plume\n\n (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20170611/2141Z (3) Volcano:Klyuchevskoy (CAVW #300260) (4) Current Aviation Color Code:ORANGE (5) Previous Aviation Color Code:orange (6) Source:KVERT (7) Notice Number:2017-123 (8) Volcano Location:N 56 deg 3 min E 160 deg 38 min (9) Area:Kamchatka, Russia (10) Summit Elevation:15580 ft (4750 m)(11) Volcanic Activity Summary:Explosive eruption of the volcano continues. Explosions send ash up to 7 km a.s.l. and ash plume drift along parabola: at first for about 100 km to the south (azimuth 186 degrees), after that for about 280 km to south-east (azimuth 139 degrees) and about 480 km (azimuth 80 degrees) to east-north-east from the volcano.\n\nExplosive eruption of the volcano continues. Ash explosions up to 26,200 ft (8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft. (12) Volcanic cloud height:19680-22960 ft (6000-7000 m) AMSL Time and method of ash plume/cloud height determination: 20170611/2130Z – Video data(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 363 mi (584 km)\nDirection of drift of ash plume/cloud of the volcano: ESE / azimuth 102 deg \nTime and method of ash plume/cloud determination: 20170611/2050Z – 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.correction data about directions azimuths of ash plume\n\n