FVXX23 KWBC 081915
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1915 UTC 08 DEC 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-265    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: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
SATELLITE IMAGERY. MONTSERRAT VOLCANO OBSERVATORY. 1200 UTC SOUNDING
FROM GUADELOUP.
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ERUPTION DETAILS: ERUPTION AROUND 08/1715 UTC.
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DETAILS OF ASH CLOUD: THE MVO REPORTED A SMALL ERUPTION CAUSED BY
ROCKFALLS. AN ASH PLUME ESTIMATED BELOW FL100 EXTENDED 39KM (21NMI)
FROM THE SUMMIT TOWARD THE SOUTHWEST TO 16.41N 62.37W. THE PLUME IS
16KM (9NMI) WIDE.  
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TRAJECTORY: ASH BELOW FL100 IS MOVING TOWARD THE SOUTHWEST AT 10 TO
15 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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....EFFECTIVE JANUARY 3 2000 AT 0000 UTC... ALL REFERENCES TO
LATITUDE AND LONGITUDE IN VOLCANIC ASH ADVISORY STATEMENTS WILL BE
IN DEGREES AND MINUTES OF A DEGREE. EXAMPLE...  16.70N 62.20W  WILL
BE  1642N6212W 
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THE NEXT STATEMENT WILL BE ISSUED AROUND 09/0130 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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