(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) |
(2) Issued: | 20201129/0414Z |
(3) Volcano: | Klyuchevskoy (CAVW #300260) |
(4) Current aviation colour code: | ORANGE |
(5) Previous aviation colour code: | orange |
(6) Source: | KVERT |
(7) Notice Number: | 2020-222 |
(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-effusive eruption of the volcano continues. According to video and satellite data, an ash plume on the height of 5.5-6.0 km a.s.l. is extending for 300 km to the east of the volcano.
A moderate explosive-effusive eruption of the volcano continues. Ash explosions up to 23,000-26,200 ft (7-8 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: 20201129/0410Z – Video data |
(13) Other volcanic cloud information: | Distance of ash plume/cloud of the volcano: 186 mi (300 km) Direction of drift of ash plume/cloud of the volcano: ENE / azimuth 78 deg Time and method of ash plume/cloud determination: 20201129/0203Z – JPSS-1 (14m15) |
(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/.
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. |