(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20210721/2250Z (3) Volcano:Karymsky (CAVW #300130) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2021-71 (8) Volcano Location:N 54 deg 2 min E 159 deg 26 min (9) Area:Kamchatka, Russia (10) Summit Elevation:1486 m (4874.08 ft)(11) Volcanic Activity Summary:A moderate eruptive activity of the volcano continues. According to satellite data by KVERT, an emission of ash continues continuously. Explosions send ash up to 1.5 km a.s.l. and ash plume is extending for 100 km to the southeast of the volcano.\n\nA moderate eruptive activity of the volcano continues. Ash explosions up to 19,700-23,000 ft (6-7 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircrafts. (12) Volcanic cloud height:1300-1500 m (4264-4920 ft) AMSL Time and method of ash plume/cloud height determination: 20210721/2210Z – Himawari-8(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 100 km (62 mi)\nDirection of drift of ash plume/cloud of the volcano: ESE / azimuth 120 deg \nTime and method of ash plume/cloud determination: 20210721/2210Z – 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 colour code is changed. VONAs are posted at http://www.kscnet.ru/ivs/kvert/.\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.