(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20190315/1100Z (3) Volcano:Bezymianny (CAVW #300250) (4) Current aviation colour code:RED (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2019-63 (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:Activity of the volcano continues to grow. Amount of hot avalanches from the lava dome top considerably increased, ash plumes from avalanches extended for about 100 km to the south-east from the volcano. The temperature of thermal anomaly over the volcano began to grow.\n\nActivity of the volcano continues to grow. Strong ash explosions up to 32,800-49,200 ft (10-15 km) a.s.l. could occur at any time possibly during this night. 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 colour code is changed. 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.