FVXX20 KWBC 010545
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0545 UTC 01 MAY 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-124   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 IMAGERY AND 0000 UTC GUADELOUPE
SOUNDING.
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ERUPTION DETAILS: ASH VENTING EVENT AROUND 30/1745 UTC.
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DETAILS OF ASH CLOUD: NO ASH CAN BE SEEN IN MULTISPECTRAL OR
INFRARED SATELLITE IMAGERY THROUGH 01/0515 UTC.  
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT IF ANY ASH IS PRESENT
BELOW FL050 IT WILL MOVE TO THE NORTHWEST AT LESS THAN 20 KNOTS. 
ANY ASH BETWEEN FL090 AND FL200 WILL MOVE TO THE NORTHEAST OR EAST
AT 15 TO 25 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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THIS WILL BE THE FINAL MESSAGE ON THIS EVENT UNLESS NEW INFORMATION
IS RECEIVED.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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