FVXX20 KWBC 211400 VOLCANIC ASH ADVISORY ISSUED: 2002DEC21/1400Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2002/242 INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH EMISSIONS OBS ASH DATE/TIME: 21/1332Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL100 MOVING W 10 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH CAN NOT BE SEEN IN THE SATELLITE IMAGERY THROUGH 21/1332Z DUE TO CONSIDERABLE CLOUDINESS OVER THE REGION. IN ADDITION NO HOTSPOT HAS BEEN DETECTED OVER THE PAST FOUR HOURS....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2002DEC21/2000Z NNNN