FVXX20 KWBC 161945
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1945 UTC 16 JAN 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-020    WEST INDIES 16.72N 62.18W  
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BACKGROUND:    SOUFRIERE HILLS MONTSERRAT (1600-05)
               SUMMIT HEIGHT 3000 FT (915 M)
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SOURCES OF INFORMATION: GOES-8 INFRARED...AND MULTISPECTRAL IMAGERY.
MONTSERRAT VOLCANO OBSERVATORY. 1200 UTC GUADELOUPE UPPER AIR SOUNDING.
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ERUPTION DETAILS: ERUPTION OCCURRED APPROXIMATELY 16/1829 UTC.
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DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS AN ASH
EVENT OCCURRED AT 1829 UTC. GOES8 IMAGERY THROUGH 1932 UTC SHOWS AN ASH
PLUME ESIMATED TO FL120. THE PLUME IS 30KM (16NMI) WIDE AND IS BOUNDED
BY 16.7N62.2W 16.7N62.3W 16.8N62.4W 16.7N62.5W 16.5N62.2W 16.6N62.2W
AND 16.7N62.2W. 
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TRAJECTORY; UPPER AIR PATTERNS SUGGEST ASH UP TO FL120 WOULD MOVE
TOWARD THE WSW AT 15KT. 
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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/messages.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE LATEST SIGMETS AND VAFTADS.
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THE NEXT MESSAGE WILL BE ISSUED BY 17/0145 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"