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KVERT / VOLCANO OBSERVATORY NOTIFICATION TO AVIATION (VONA)

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KVERT/Volcano Observatory Notification to Aviation (VONA)

VONA/KVERT Releases
 
Archives in the old format
VONA/KVERT Information Releases (01.2005-05.2012)

 (1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20141125/0301Z
 (3) Volcano:Zhupanovsky (CAVW #300120)
 (4) Current Aviation Color Code:ORANGE
 (5) Previous Aviation Color Code:red
 (6) Source:KVERT
 (7) Notice Number:2014-17
 (8) Volcano Location:N 53 deg 35 min E 159 deg 8 min
 (9) Area:Kamchatka, Russia
(10) Summit Elevation:9702.24 ft (2958 m)
(11) Volcanic Activity Summary:Explosive eruption of the volcano continues but its activity decreased. According to satellite data, ash plumes continues to drift about 60 km to the south-east (153 degrees azimuth) of the volcano at 0155 UTC on November 25. Ash plumes are drifting over Nalychevo Vallew, outside towns and villages.

Explosive eruption of the volcano continues. Ash explosions up to 32,800 ft (10 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:11480-13120 ft (3500-4000 m) a.s.l.
(13) Other volcanic cloud information:
(14) Remarks:
(15) Contacts:Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS
girina@kscnet.ru +74152302549

Duty scientist: +79622825253
(16) Next Notice:A new VONA will be issued if conditions change significantly or the Aviation Color Code is changes. 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) FED RAS, is responsible for providing information on volcanic activity to international air navigation services for the airspace users.
   

CITATION GUIDELINES


For formal scientific citation of this VONA/KVERT Information Release, please use the following:
VONA/KVERT Information Release, November 25, 2014. KVERT, Institute of Volcanology and Seismology FEB RAS. URL: http://www.kscnet.ru/ivs/kvert/van/index.php?n=2014-17.

Aviation Color Codes
GREEN

Volcano is in normal, non-eruptive state

   or, after a change from a higher level: 

Volcanic activity considered to have ceased, and volcano reverted to its normal, non-eruptive state.
YELLOW

Volcano is experiencing signs of elevated unrest above known background levels. 

   or, after a change from higher level: 

Volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase.
ORANGE

Volcano is exhibiting heightened unrest with increased likelihood of eruption.

   or,

Volcanic eruption is underway with no or minor ash emission.
[specify ash-plume height if possible]
RED

Eruption is forecast to be imminent with significant emission of ash into the atmosphere likely.

  or,

Eruption is underway with significant emission of ash into the atmosphere.
[specify ash-plume height if possible]



 
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