VONA/KVERT-Project: Sheveluch (1000-27)  20110903/0130Z

Issued: 20110903/0130Z
Volcano: Sheveluch (1000-27)
Aviation Color Code: Orange
Source: KVERT
Notice number: 2011/31
Volcano Location: 56°39'N, 161°21'E
Area: Kamchatka, Russia
Summit Elevation (feet/meters): 8202 ft/2.500 m the dome elevation
Height of ash plume (feet/km) ASL and how determined: 13124 ft/ 4.0 km- Visual
Distance of ash plume from the volcano (mi/km): 6.22 mi/10 km 
Direction of ash plume or ash cloud drift from the volcano: North-East
Time and method of observation: 20110903/0130Z - Visual data
Start time of explosion and how determined: 20110903/0120Z - Visual
Duration of eruption (or indicate eruption is continuing): eruption is continuing

Remarks: Pilots of YaK-40 reported that  ash plume rose up to 4.0 km ASL at 01:28 UTC on September 03. Ash plume extended to the north-east.
Video showed this event too. 
Next Notice: A new VONA will be issued if conditions change significantly. 
Updates are posted at http://www.kscnet.ru/ivs/kvert/index_eng.php

Best regards,
Dr. Olga A. Girina 
girina@kscnet.ru