FVXX20 KWBC 251700
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1700 UTC 25 MAR 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-064    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 (MVO).
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ERUPTION DETAILS: THE MVO REPORTS AN ERUPTION OF THE SOUFRIERE HILLS
VOLCANO BEGINNING AT APPROXIMATELY 1630 UTC. 
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DETAILS OF ASH CLOUD: THE MVO ESTIMATES THE HEIGHT OF THE
ASH PLUME TO BE ABOUT FL100. HOWEVER THE ERUPTION WAS
STILL ONGOING AT THE TIME OF THE CALL AND ASH MAY RISE HIGHER. THE
ASH IS NOT YET DISCERNABLE IN SATELLITE IMAGERY BUT WE WILL BE
ANALYZING NEW IMAGERY FROM GOES-8 AS IT COMES IN.
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TRAJECTORY: ANY ASH UP TO FL100 WOULD MOVE TOWARD THE WEST AT 10 TO
15 KTS.
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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 MESSAGE WILL BE ISSUED WITHIN AN HOUR (BY 25/1800 UTC).
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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