FVXX22 KWBC 241805
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1805 UTC 24 OCTOBER 1999 BY THE WASHINGTON VAAC 
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SOUFRIERE HILLS 99-236    WEST INDIES 16.72N 62.18W  
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BACKGROUND:    SOUFRIERE HILLS MONTSERRAT (1600-05)
               SUMMIT HEIGHT 3000 FT (915M)
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SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY...GOES-8
VISIBLE INFRARED AND MULTISPECTRAL IMAGERY...12 UTC UPPER-AIR
SOUNDING FROM GUADELOUPE. 
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ERUPTION DETAILS: ERUPTION OCCURRED AT 24/1615 UTC.
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DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY HAS
REPORTED A SMALL TO MODERATE ERUPTION OF THE SOUFRIERE HILLS
VOLCANO. GOES 8 VISIBLE IMAGERY THROUGH 1732 UTC DOES VERIFY THE
EXISTENCE OF AN ASH CLOUD PUSHING SLOWLY TO THE NORTH AND NORTHEAST
OF THE VOLCANO. AT 1732 UTC THE ASH EXTENDS 10 KM (5 NMI) DUE NORTH
OF THE SUMMIT AND A TOTAL OF 27 KM (14 NMI) TO THE NORTHEAST OF THE
SUMMIT. THE ASH IS REACHING FL150.
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TRAJECTORY: ASH BELOW FL050 IS DRIFTING TO THE NORTH AT ONLY 5 TO 10
KNOTS. HOWEVER THE ASH BETWEEN FL050 AND FL150 IS MOVING TO THE
NORTHEAST AT ABOUT 10 KNOTS.
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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 STATEMENT WILL BE ISSUED BY 24/2230 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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ORRISON
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NNNN"Attached Graphic Map Depicting Ash" 

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