FVXX20 KWBC 140940
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0940 UTC 14 APR 1999 BY THE WASHINGTON VAAC

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SOUFRIERE HILLS 99-105    WEST INDIES 16.72N 62.18W  
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BACKGROUND:    SOUFRIERE HILLS  MONTSERRAT (1600-05)
               SUMMIT HEIGHT  3000 FT (915 M)
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SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY...INFRARED
SATELLITE IMAGERY
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ERUPTION DETAILS: INITIAL ERUPTION AT 11/0915 UTC.
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DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY HAS
RECENTLY PHONED IN A SMALL EXPLOSION OF SOUFRIERE HILLS.  THEY
ESTIMATE THE ASH TOPS AT FL150. INFRARED SATELLITE IMAGERY
INDCICATED A POSSIBLE ASH CLOUD LOCATED IMMEDIATELY TO THE EAST OF
THE ISLAND AND CENTERED NEAR 16.7N/62.1W AT 0915 UTC.
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TRAJECTORY: TOWARD THE WEST NORTHWEST AT LOW LEVELS BUT SATELLITE
IMAGERY SUGGESTS A MOVEMENT TOWARD THE EAST AT HIGHER LEVELS ABOVE
FL100.
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THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY
A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS
www.ssd.noaa.gov/VAAC/messages.html
(all lower case except /VAAC/)
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED WITHIN THE HOUR.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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