FVXX20 KWBC 211030
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1030 UTC 21 MAR 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-051    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 AND GUADELOUPE 21/0000 UTC SOUNDING.
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ERUPTION DETAILS: ASH PRODUCING EVENT AROUND 20/2145 UTC.
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 20/0945 UTC DOES NOT
INDICATE ANY ASH CLOUD. 
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TRAJECTORY:  THE GUADELOUPE SOUNDING SUGGEST THAT ASH BELOW FL100
WOULD MOVE TO THE SOUTH-SOUTHWEST AT LESS THAN 10 KNOTS.  ASH
BETWEEN FL100 AND FL200 WOULD MOVE TO THE SOUTHEAST AROUND 15-20
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 21/1630.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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