FVXX20 KWBC 290800
VOLCANIC ASH ADVISORY    
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ISSUED: 2001DEC29/0800Z   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: 2001/294
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INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 
SIX HOUR WIND FORECAST FROM THE 29/0000Z AVIATION MODEL.
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ERUPTION DETAILS: CONTINUOUS VENTING OF ASH AND STEAM BEGINNING
AROUND 27/0715Z. ADDITIONAL NEW SIGNIFICANT EVENT STARTING AT
28/1730Z.
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DETAILS OF ASH CLOUD: MULTISPECTRAL SATELLITE IMAGERY THROUGH
0715Z SHOWS A NEW FAINT PLUME MOVING WESTWARD FROM THE VOLCANO.
THIS PLUME EXTENDS APPROXIMATELY 129 KM (70 NMI) FROM THE VOLCANO
TO 1641N6329W AND IS ABOUT 16KM (9 NMI) WIDE. UPPER AIR DATA
PLACES THIS PLUME BELOW FL100.  THE AREA VISIBLE EARLIER HAS
BECOME VERY THIN AND DIFFICULT TO DISCERN.  IT IS ROUGHLY BOUNDED
BY POINTS 1750N6447W 1755N6521 TO 1737N6531 AND 1729N6501.  
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TRAJECTORY: ASH FROM THE SUMMIT LEVEL TO FL100 WILL MOVE WESTERLY
AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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NEXT ADVISORY: WILL BE ISSUED BY 2001DEC29/1400Z.
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NNNN"Attached Graphic Map Depicting Ash Only" 

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