FVXX20 KWBC 042230                                          
VOLCANIC ASH ADVISORY
ISSUED: 2001OCT04/2230Z  VAAC: WASHINGTON
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CORRECTION FOR ISSUED TIME
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VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: 1643N 6211W    AREA: CARIBBEAN
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SUMMIT ELEVATION: 3000 FT (915 M)
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ADVISORY NUMBER: 2001/228
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INFORMATION SOURCE: GOES-8 VISIBLE.. INFRARED AND MULTISPECTRAL
IMAGERY. MONTSERRAT VOLCANO OBSERVATORY REPORT. 1200Z GUADELOUPE
SOUNDING WINDS. 12Z ETA MODEL WIND FORECAST    
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ERUPTION DETAILS:  REPORTED SMALL ERUPTION AT 04/1200Z.  
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 2145Z SHOWS INCREASING
WEATHER CLOUDS IN THE VICINITY OF MONTSERRAT MAKING THE DETECTION OF
ASH DIFFICULT. MUCH FARTHER WEST AN AREA OF LOW LEVEL ASH IS VISIBLE.
THE ASH ESTIMATED BELOW FL080 IS 28KM (15NMI) WIDE EXTENDING FROM
1654N6450W TO 1744N6517W.  AT 2135Z THE MONTSERRAT VOLCANO OBSERVATORY
REPORTED A CONTINUOUS PLUME OF DENSE LOW LEVEL ASH EXTENDING FROM THE
SUMMIT TOWARD THE WNW.
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TRAJECTORY:  ASH AT AND BELOW FL080 WILL MOVE WEST-NORTHWEST AROUND 18
TO 24 KNOTS.

OUTLOOK:  SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 05/0430Z.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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BROWN
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NNNN