FVXX20 KWBC 212100
VOLCANIC ASH ADVISORY    
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ISSUED: 2001DEC21/2100Z   VAAC: WASHINGTON
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VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: 1643N 6211W    AREA: CARIBBEAN
SUMMIT ELEVATION: 3000 FT (915 M)
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ADVISORY NUMBER: 2001/284
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INFORMATION SOURCE:   MONTSERRAT VOLCANO OBSERVATORY.
VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY.  SIX HOUR WIND
FORECAST FROM THE 21/1200Z AVIATION MODEL.
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ERUPTION DETAILS: VENTING OF ASH AROUND 21/1310Z
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 21/2015Z SHOWS A
SMALL PLUME EXTENDING TO THE WEST AWAY FROM THE SUMMIT.  THE
PLUME IS 28KM IN LENGTH AND 7 KM WIDE EXTENDING TO THE POINT:
1645N 6226W.  HEIGHT OF THE PLUME IS ESTIMATED TO BE AT FL080.
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TRAJECTORY: ASH AT FL080 WILL MOVE TOWARDS THE WEST AT 10 TO 15
KNOTS. 
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OUTLOOK: SEE SIGMETS.
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NEXT ADVISORY: WILL BE ISSUED BY 2001DEC22/0300Z.
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WALTER
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NNNN"Attached Graphic Map Depicting Ash Only" 

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