(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) |
(2) Issued: | 20191002/0445Z |
(3) Volcano: | Sheveluch (CAVW #300270) |
(4) Current aviation colour code: | ORANGE |
(5) Previous aviation colour code: | orange |
(6) Source: | KVERT |
(7) Notice Number: | 2019-148 |
(8) Volcano Location: | N 56 deg 38 min E 161 deg 18 min |
(9) Area: | Kamchatka, Russia |
(10) Summit Elevation: | 10768.24 ft (3283 m), the dome elevation ~8200 ft (2500 m) |
(11) Volcanic Activity Summary: | According to satellite data, an ash plume up to 6.5-7.5 km a.s.l. continues to drift to the east from the volcano. Рrobably ash fallout on the Komandorskie Islands (Commander Islands)
Explosive-extrusive eruption of the volcano continues. Ash explosions up to 32,800-49,200 ft (10-15 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft. |
(12) Volcanic cloud height: | 21320-24600 ft (6500-7500 m) AMSL Time and method of ash plume/cloud height determination: 20191002/0252Z – JPSS-1 (14m15) |
(13) Other volcanic cloud information: | Distance of ash plume/cloud of the volcano: 301 mi (485 km) Direction of drift of ash plume/cloud of the volcano: ESE / azimuth 109 deg Time and method of ash plume/cloud determination: 20191002/0252Z – JPSS-1 (14m15) Start time of explosion and how determined: 20191002/2339Z – Video data |
(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. |