FVXX20 KWBC 170115
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0115 UTC 17 JAN 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-021    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: AT 0045 UTC GOES-8 INFRARED IMAGERY INDICATES A
DIFFUSE AREA OF ASH ABOUT 10 NMI WIDE EXTENDING APPROXIMATELY FROM THE
POINT 16.5N 63.2W TO APPROXIMATELY 15.6N 62.6W. MOVEMENT WAS TOWARD
THE WEST-SOUTHWEST AT 10KT.  THE 0000 UTC SOUNDING FROM GUADELOUPE
WOULD PLACE THE ASH AT FL120.
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TRAJECTORY; UPPER AIR PATTERNS SUGGEST ASH UP TO FL120 WOULD MOVE
TOWARD THE WSW AT 10KT. 
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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 17/0730 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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