FVXX21 KWBC 210019 VOLCANIC ASH ADVISORY ISSUED: 2003MAY21/0030Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/541 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST ERUPTION DETAILS: EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 20/2345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL070 MOVING NW 10 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: LATEST VISIBLE IMAGERY DOES NOT INDICATE ANY ASH DUE TO CLOUDS IN THE AREA. A STRONG HOT SPOT HAS BEEN OBSERVED IN SHORTWAVE IMAGERY THROUGH 2345Z. NEXT ADVISORY: WILL BE ISSUED BY 2003MAY21/0630Z NNNN