FVXX20 KWBC 281032 VOLCANIC ASH ADVISORY ISSUED: 2003FEB28/1030Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2003/221 INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: CONTINUING ASH AND STEAM EMISSIONS. OBS ASH DATE/TIME: 28/0945Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL080 MOVING NW AT 10-15 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH HAS BECOME TO DIFFUSE TO DETECT IN INFRARED IMAGERY. AN OCCASIONAL HOT SPOT CAN BE SEEN IN SHORTWAVE IMAGERY....KARST NEXT ADVISORY: WILL BE ISSUED BY 2003FEB28/1630Z. NNNN