FVXX20 KWBC 231130
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1130 UTC 23 MAR 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-059    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 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY. 23/0000 UTC GUADELOUPE SOUNDING.  
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ERUPTION DETAILS: ASH VENTING EVENT AROUND 22/2230 UTC.
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DETAILS OF ASH CLOUD: ASH IS CURRENTLY NOT DETECTED ON SATELLITE
IMAGERY THROUGH 23/1102 UTC.   
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TRAJECTORY: BASED ON THE 23/0000 UTC GUADELOUPE SOUNDING ASH BELOW
FL100 WOULD MOVE WEST TO NORTHWEST AT 10 TO 15 KNOTS. ASH BETWEEN
FL180 AND FL300 WOULD MOVE EAST AT 20 TO 50 KNOTS.
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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 SIGMETS.
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THE NEXT STATEMENT WILL BE ISSUED AROUND 23/1730 UTC. 
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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