FVXX20 KWBC 010411 VOLCANIC ASH ADVISORY ISSUED: 2003MAR01/0400Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2003/224 INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST ERUPTION DETAILS: CONTINUING ASH AND STEAM EMISSIONS. OBS ASH DATE/TIME: 01/0345Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL070 MOVING W 10-15 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH HAS BECOME TOO DIFFUSE TO BE SEEN IN INFRARED DATA. AN OCCASIONAL HOT SPOT CAN BE DETECTED IN SHORTWAVE IMAGERY. KARST NEXT ADVISORY: WILL BE ISSUED BY 2003MAR01/1000Z. NNNN