FVXX23 KWBC 091315
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1315 UTC 09 DEC 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-268    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 SATELLITE IMAGERY...1200 UTC
SOUNDING FROM GUADELOUPE.
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ERUPTION DETAILS: ERUPTION AROUND 08/1715 UTC.
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DETAILS OF ASH CLOUD: THE LATEST VISIBLE SATELLITE IMAGERY AT 1245
UTC SHOWS A VERY LIGHT PLUME OF ASH EMANATING FROM SOUFRIERE HILLS.
THE PLUME 10KM (5NMI) WIDE EXTENDS 67KM (36NMI) FROM THE SUMMIT TO
16.3N 62.6W. ASH IS ESTIMATED BELOW FL050.
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TRAJECTORY: MOVEMENT IS TO THE SOUTHWEST AT 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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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 AT 09/1930 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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