FVXX22 KWBC 261345
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1345 UTC 26 OCTOBER 1999 BY THE WASHINGTON VAAC 
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SOUFRIERE HILLS 99-240    WEST INDIES 16.72N 62.18W  
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BACKGROUND:    SOUFRIERE HILLS MONTSERRAT (1600-05)
               SUMMIT HEIGHT 3000 FT (915M)
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SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY...GOES-8
VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY AND 26/1200 UTC ST
MARTIN UPPER AIR SOUNDING.
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ERUPTION DETAILS: ERUPTION OCCURRED AT 26/1045 UTC.
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DETAILS OF ASH CLOUD: THE MVO REPORTS AN ERUPTION OF THE VOLCANO
OCCURRING AROUND 1045 UTC.  CURRENT SATELLITE IMAGERY THROUGH
26/1302 UTC SHOWS A WELL DEFINED PLUME MOVING AWAY FROM THE ISLAND. 
THE PLUME IS 57 KM IN LENGTH AND 15 KM WIDE.  THE PLUME IS BOUNDED
BY THE FOLLOWING POINTS: 16.7N/62.3W..17.2N/62.4W..17.1N/62.6W
17.7N/62.4W.
BASED ON THE MOVEMENT SEEN ON THE SATELLITE IMAGERY AND THE ST
MARTIN SOUNDING THE PLUME IS BELIEVED TO BE AT FL150.      
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TRAJECTORY: ASH UP TO FL150 WILL MOVE TO THE NORTHWEST AT 10-15 KTS.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED AROUND 26/2000 UTC.
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WALTER/KARST/SAB/NOAA/NESDIS
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN"Attached Graphic Map Depicting Ash" 

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