(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20180127/0300Z
(3) Volcano:	Karymsky (CAVW #300130)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	yellow
(6) Source:	KVERT
(7) Notice Number:	2018-21
(8) Volcano Location:	N 54 deg 2 min E 159 deg 26 min
(9) Area:	Kamchatka, Russia
(10) Summit Elevation:	4874.08 ft (1486 m)
(11) Volcanic Activity Summary:	According to satellite data, a moderate ash explosion sent ash up to 5 km a.s.l., ash plume drifted about 80 km to the north-east from the volcano. A moderate eruptive activity of the volcano continues. Ash explosions up to 16,400-19,700 ft (5-6 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft.
(12) Volcanic cloud height:	16400-17056 ft (5000-5200 m) AMSL Time and method of ash plume/cloud height determination: 20180127/0230Z – Himawari-8
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 50 mi (80 km) Direction of drift of ash plume/cloud of the volcano: NNE / azimuth 27 deg Time and method of ash plume/cloud determination: 20180127/0230Z – Himawari-8
(14) Remarks:
(15) Contacts:	Dmitry V. Melnikov, IVS FEB RAS dvm@kscnet.ru 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.