FVXX20 KWBC 070420
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VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0420 UTC 07 APR 1999 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 99-092    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
INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. 0000 UTC GUADELOUPE
SOUNDING.
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ERUPTION DETAILS: ERUPTION AT 07/0345 UTC.
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DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED AN
ASH VENTING OF 10 TO 15 MINUTE DURATION OCCURRED BEGINNING ABOUT
0345 UTC WITH AN ESTIMATED HEIGHT OF FL100.  NO ASH OR HOT SPOTS
COULD BE DETECTED THROUGH 0345 UTC.
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TRAJECTORY: ASH AT FL100 WOULD MOVE TO THE NORTHEAST AT ABOUT 18KTS.
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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 AROUND 1030 UTC UNLESS ADDITIONAL
INFORMATION IS OBTAINED.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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