FVXX20 KWBC 281700 CCA
VOLCANIC ASH ADVISORY
CORRECTED FOR HEIGHT OF PLUME 
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ISSUED: 2001DEC28/1700Z   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: 2001/291
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INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY. 12 HOUR WIND FORECAST FROM THE 28/0600Z AVIATION MODEL 
LA RAIZT AND JULIANA AIRPORT 12Z SOUNDING.
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ERUPTION DETAILS: CONTINUOUS VENTING OF ASH AND STEAM BEGINNING
AROUND 27/0715Z
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DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 28/1610Z SHOWS A
FAINT PLUME EXTENDING TO THE WEST-NORTHWEST AWAY FROM THE SUMMIT. 
THE PLUME IS 47KM (25NMI) IN LENGTH AND 11KM (6NMI) WIDE AND
EXTENDS TO THE POINT: 1653N 6234W.  BASED ON THIS MORNINGS UPPER
AIR SOUNDINGS AND MODEL FORECAST DATA THE HEIGHT OF THE PLUME IS
ESTIMATED TO BE BELOW FL100. 
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TRAJECTORY: ASH FROM THE SUMMIT LEVEL TO FL100 WILL MOVE TOWARDS
THE WEST-NORTHWEST AT 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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NEXT ADVISORY: WILL BE ISSUED BY 2001DEC28/2300Z.
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WALTER
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NNNN"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"