FVXX23 WBC 272230
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 2230 UTC 27 OCTOBER 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS   99-236   WEST INDIES  16.2N 62.7W 
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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..GOES-8
VISIBLE..INFRARED..MULTISPECTRAL IMAGERY AND GUADELOUPE 27/1200 UTC
UPPER AIR SOUNDING.  
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ERUPTION DETAILS: ERUPTION OCCURRED AT 27/2100 UTC.
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DETAILS OF ASH CLOUD: GOES-8 SATELLITE IMAGERY THROUGH 27/2145 UTC
SHOWS A WELL DEFINED ASH PLUME DETACHED FROM THE ISLAND OF
MONTSERRAT.  THE CENTER OF THE AREA OF ASH IS 5KM FROM THE ISLAND
AND IS BOUNDED BY THE FOLLOWING POINTS: 16.7N/62.3W..16.6W/62.4W AND
16.7N/62.4W.  AT ITS WIDEST POINT THE ASH IS 17KM WIDE.  IT IS
MOVING AWAY FROM THE ISLAND TOWARD THE WEST-SOUTHWEST AT 15KT. 
BASED ON THIS MOVEMENT AND INFORMATION FROM THE MWO THE ASH APPEARS
TO BE AT FL100. 
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TRAJECTORY: ANY ASH AT FL100 WOULD MOVE TOWARD THE WEST-SOUTHWEST 
AT 15-20KT.
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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 BY 28/0430 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.

WALTER/SAB/NOAA/NESDIS
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NNNN
 "Attached Graphic Map Depicting Ash" 

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