FVXX20 KWBC 212000
VOLCANIC ASH ADVISORY
ISSUED: 2002DEC21/2000Z VAAC: WASHINGTON
VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643W06211 AREA: CARIBBEAN
SUMMIT ELEVATION: 3000 FT (915M)
ADVISORY NUMBER: 2002/243
INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST.
ERUPTION DETAILS: ASH EMISSIONS
OBS ASH DATE/TIME: 21/1945Z
OBS ASH CLOUD: SFC/FL050 N1643W06210 N1700W06225 N1707W06228
N1707W06235 N1703W06238 N1653W06224 N1643W06210 MOVING NW 10
KNOTS.
FCST ASH CLOUD +6H: SEE SIGMETS.
REMARKS: A WELL DEFINED PLUME IS SEEN IN THE CURRENT SATELLITE
IMAGERY THROUGH 21/1945Z EXTENDING TO THE NORTHWEST AWAY FROM THE
SUMMIT. THE PLUME IS 35 NMI IN LENGTH AND 8 NMI WIDE AT ITS
WIDEST POINT. THE PLUME HEIGHT WAS LOWERED SOME BASED ON THE
CURRENT GFS MODEL WINDS FORECAST....WALTER
NEXT ADVISORY: WILL BE ISSUED BY 2002DEC22/0200Z
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"Attached Graphic Map Depicting Ash Only"
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