FVXX20 KWBC 281800
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1800 UTC 28 JULY 1999 BY THE WASHINGTON VAAC 
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SOUFRIERE HILLS 99-192    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: 28/1715 UTC VISIBLE..INFRARED AND
MULTISPECTRAL IMAGERY.  28/1200 UTC GUADELOUPE UPPER SOUNDING
AND MVO.

ERUPTION DETAILS: NEW ERUPTION OCCURRING AROUND 28/1635 UTC.  
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DETAILS OF ASH CLOUD: A SMALL DOUGHNUT SHAPED ASH PLUME IS NOW
VISIBLE ON THE SATELLITE IMAGERY.  THIS PLUME IS MOVING TOWARD THE
SOUTHWEST AROUND 20 KTS.  ESTIMATED HEIGHT OF THE PLUME BASED ON
UPPER AIR WIND DATA IS FL120.  THE PLUME IS 5KM WIDE AND EXTENDS
FROM 16.7N 62.2W TO 16.6N 62.4W TO 16.5N 62.3W TO 16.6N 62.2W. 
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TRAJECTORY: SOUTHWEST AROUND 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 AT 29/0000 UTC.
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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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