(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20200319/2037Z
 (3) Volcano:Klyuchevskoy (CAVW #300260)
 (4) Current aviation colour code:ORANGE
 (5) Previous aviation colour code:orange
 (6) Source:KVERT
 (7) Notice Number:2020-33
 (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:A moderate explosive eruption of the volcano continues, the Strombolian activity is noting. According to satellite data, a gas-steam plume containing ash is extending about 52 km to the east from the volcano.

A moderate explosive eruption of the volcano continues. Ash explosions up to 16,400-23,000 ft (5-7 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft.
(12) Volcanic cloud height:18040-19680 ft (5500-6000 m) AMSL Time and method of ash plume/cloud height determination: 20200319/1856Z – NOAA 19 (4m5)
(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 32 mi (52 km)
Direction of drift of ash plume/cloud of the volcano: E / azimuth 87 deg
Time and method of ash plume/cloud determination: 20200319/1856Z – Video data
(14) Remarks:
(15) Contacts: Alexander G. Manevich, IVS FEB RAS
mag@kscnet.ru +74152202115

Duty 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.

In 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.