FVXX23 WBC 280430
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0430 UTC 28 OCTOBER 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS   99-237   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
INFRARED..MULTISPECTRAL IMAGERY AND GUADELOUPE 28/0000 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 MULTISPECTRAL IMAGERY  
THROUGH 28/0345UTC SHOWS FAINT DISPERSING AREA OF ASH BOUNDED BY HE
ISLAND OF MONTSERRAT.  THE CENTER OF THE AREA OF ASH IS 130 NMI FROM
THE ISLAND AND IS BOUNDED BY THE FOLLOWING POINTS:
16.2N/64.3W..16.5W/64.1W ...16.9N/64.5W... 17.0N/64.7W...16.7N
64.7W.   THE AREA OF ASH IS APPROXIMATELY 50 NMI LING AND 25 NMI
WILD AND IS MOVING TOWARD THE WEST AT 20KT.  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 AT 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 28/1030 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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