FVXX20 KWBC 080150
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0150 UTC 08 SEPTEMBER 1999 BY THE WASHINGTON VAAC 
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SOUFRIERE HILLS 99-211 WEST INDIES 16.7N 62.2W 
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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...0000 UTC
GUADELOUPE RADIOSONDE.
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ERUPTION DETAILS: ERUPTION AT APPROXIMATELY 08/0120 UTC.            
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DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS AN
ERUPTION PRODUCING ASH THAT THEY ESTIMATE REACHED ABOUT FL120.  

TRAJECTORY: ASH WAS OBSERVED TO MOVE TO THE WEST.  UPPER AIR
PATTERNS SUGGEST THAT ANY ASH AT FL120 WILL MOVE TO THE WEST AT
ABOUT 20 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  
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 AS SOON AS SATELLITE IMAGERY BECOMES
AVAILABLE. 
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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