FVXX20 KWBC 281430
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1430 UTC 28 JULY 1999 BY THE WASHINGTON VAAC 
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SOUFRIERE HILLS 99-190    WEST INDIES 16.7N 62.2W
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BACKGROUND:    SOUFRIERE HILLS MONTSERRAT (1600-05)
               SUMMIT HEIGHT 3000 FT (915M)
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SOURCES OF INFORMATION: 28/1345 UTC VISIBLE..INFRARED AND
MULTISPECTRAL IMAGERY.  28/1200 UTC GUADELOUPE.

ERUPTION DETAILS:  ERUPTION OCCURRED AT ABOUT 28/0220 UTC.
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DETAILS OF ASH CLOUD: ASH CONTINUES TO MOVE TOWARD THE WEST AWAY
FROM THE ISLANDS. THE ORIGINAL LARGE AREA HAS NOW SPLIT INTO TWO
SMALLER AREAS.  THE NORTHERN MOST AREA IS BOUNDED BY THE FOLLOWING
POINTS: 16.2N/65.8W..15.7N/65.6W..15.3N/65.4W..15.0N/65.9W AND
16.0N/65.9W.  THE SOUTHERN AREA IS BOUNDED BY THE FOLLOWING POINTS:
15.1N/65.1W..14.4N/64.9W..14.5N/65.2W..14.5N/65.4W AND 14.6N/65.4W. 
1200 UTC UPPER AIR WIND ANALYSIS SUGGEST THE ASH IS AT OR BELOW
FL1500.  BOTH AREAS ARE MOVING TOWARDS THE WEST-SOUTHWEST AT 15 TO
20 KTS.
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TRAJECTORY: TOWARDS THE WEST-SOUTHWEST AT 15-20 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
www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE LATEST SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED AROUND 28/2030 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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"Attached Graphic Map Depicting Ash" 

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