FVXX20 KWBC 202235
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 2235 UTC 20 JAN 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-024    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: MONTSERRAT VOLCANO OBSERVATORY..GOES-8 VISIBLE
AND INFRARED IMAGERY AND 1200 UTC GUADELOUP UPPER AIR SOUNDING
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ERUPTION DETAILS: ERUPTION OCCURRED APPROXIMATELY 20/2031 UTC.
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DETAILS OF ASH CLOUD: AT 2145 UTC GOES-8 IMAGERY DEPICTS AN ASH CLOUD
NORTH AND WEST OF THE VOLCANO BOUNDED BY THE POINTS 16.7N62.2W 
16.8N62.4W  16.8N62.7W  16.7N62.7W  16.6N62.4W  16.7N62.2W. THE ASH
CLOUD EXTENDS 50 KM (27 NMI) TO THE WEST OF THE VOLCANO AND IS 20 KM
(11 NMI) WIDE. THE HEIGHT OF THE ASH IS ESTIMATED TO BE AT OR BELOW
FL150 BASED ON THE 1200 UTC GUADELOUP UPPER AIR SOUNDING.
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TRAJECTORY: THE ASH IS MOVING TO THE WEST AT 36 KPH (20 KT).
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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 VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 21/0430 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"