|(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)|
|(3) Volcano:||Sheveluch (CAVW #300270)|
|(4) Current aviation colour code:||ORANGE|
|(5) Previous aviation colour code:||orange|
|(7) Notice Number:||2020-144|
|(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:||A growth of the lava dome continues, a strong fumarolic activity sometimes with some amount of ash, and an incandescence of the dome blocks and hot avalanches accompanies this process. A re-suspended ash extended about 140 km to the east from the volcano.|
The 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:||8200-9840 ft (2500-3000 m) AMSL Time and method of ash plume/cloud height determination: 20200628/0030Z – NOAA 18 (4m5)|
|(13) Other volcanic cloud information:||Distance of ash plume/cloud of the volcano: 87 mi (140 km)|
Direction of drift of ash plume/cloud of the volcano: E / azimuth 95 deg
Time and method of ash plume/cloud determination: 20200628/0030Z – NOAA 18 (4m5)
|(15) Contacts:|| Alexander G. Manevich, IVS FEB RAS|
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.
For formal scientific citation of this VONA/KVERT Operative Report, please use the following:
VONA/KVERT Operative Report, June 28, 2020. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/?n=2020-144.