FVXX20 KWBC 230800 VOLCANIC ASH ADVISORY ISSUED: 2002DEC23/0800Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2002/249 INFORMATION SOURCE: GOES-8 IMAGERY. UPPER AIR SOUNDING ERUPTION DETAILS: ASH EMISSIONS OBS ASH DATE/TIME: 23/0715Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL050 MOVING W 15 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH WAS EITHER TOO LOW OR TOO DIFFUSE TO DETECT IN SATELLITE IMAGERY THROUGH 23/0715Z. AN OCCASIONAL HOT SPOT CAN BE OBSERVED IN SHORTWAVE IMAGERY. KARST NEXT ADVISORY: WILL BE ISSUED BY 2002DEC23/1400Z NNNN