FVXX22 KWBC 071900
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 1900 UTC 07 APR 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-066          WEST INDIES 1643N 6211W  
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BACKGROUND:    SOUFRIERE HILLS  MONTSERRAT (1600-05)
               SUMMIT HEIGHT  3000 FT (915M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND
MULTISPECTRAL IMAGERY. 07/1200 UTC GUADELOUPE AND PRINSES
JULIANA SOUNDING DATA. MONTSERRAT VOLCANO OBSERVATORY. 
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ERUPTION DETAILS: ASH AND GAS VENTING.
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DETAILS OF ASH CLOUD: VISIBLE IMAGERY THROUGH 1815 UTC
INDICATES A LOW LEVEL ASH PLUME TO THE WEST SOUTHWEST OF THE
SUMMIT. THE ASH PLUME IS PARTIALLY OBSCURED BY CLOUDS NEAR THE
SUMMIT AND DIRECTLY WEST OF THE ISLAND OF MONTSERRAT. THE MVO
REPORTS THAT THE VOLCANO HAS BEEN IN CONTINUAL ASH AND GAS
VENTING SINCE THIS MORNING. 
THE PLUME EXTENDS 148 KM (80 NMI) TO THE POINT 1633N6334W AND
IS 28 KM (15 NMI) WIDE.  THE ASH IS ESTIMATED AT OR BELOW
FL060. 
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TRAJECTORY: ANY ASH UP TO FL060 WOULD MOVE TO THE WEST
SOUTHWEST AT 15 TO 20 KNOTS.

OUTLOOK:  SEE SIGMETS
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THE NEXT STATEMENT WILL BE ISSUED BY 08/0100 UTC.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC
ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING
ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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CLARK
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