FVXX20 KWBC 031625 COR
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VOLCANIC ASH ADVISORY STATEMENT...CORRECTION 
ISSUED 1625 UTC 03 APR 1999 BY THE WASHINGTON VAAC
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CORRECTION FOR TIME ISSUED 
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SOUFRIERE HILLS 99-085    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 SATELLITE IMAGERY. 1200 UTC GUADELOUPE SOUNDING. 
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ERUPTION DETAILS: ERUPTION AT 03/1549 UTC
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DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS AN
ASH VENTING EVENT ESTIMATED TO AROUND FL200. AT 1602 UTC A VERY
SMALL ASH CLOUD CAN BE NOTED IN SATELLITE IMAGERY MOVING EAST FROM
THE ISLAND. IT IS TO SOON TO DETERMINE A SPEED OR TRUE HEIGHT WITH
JUST THIS IMAGE BUT BASED ON ITS CURRENT DIRECTION IT DOES APPEAR TO
BE AT LEAST TO FL200 BUT BELOW FL250 IN WHICH CASE THE ASH WOULD BE
MOVING NORTHEAST. WE WILL CONTINUE TO MONITOR THE IMAGERY AND WILL
SEND AN UPDATE SHORTLY. 
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TRAJECTORY: ASH BELOW FL150 WILL MOVE NORTH TO NORTHEAST AROUND 15
KNOTS. ASH FL150 TO FL220 WILL MOVE EAST AROUND 35 TO 40 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 ADVISORY WILL BE ISSUED BEFORE 03/1700 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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