FVXX20 KWBC 132301 VOLCANIC ASH ADVISORY ISSUED: 2003MAR13/2300Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2003/276 INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: NEARLY CONTINUOUS EMISSIONS OF GASES AND ASH. OBS ASH DATE/TIME: 13/2232Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL090 MOVING W 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 13/2232Z DUE TO EXTENSIVE CLOUDINESS. AN OCCASIONAL HOTSPOT HAS BEEN NOTED IN SHORTWAVE IMAGERY. NEXT ADVISORY: WILL BE ISSUED BY 2003MAR14/0500Z NNNN