FVXX21 KWBC 212229 VOLCANIC ASH ADVISORY ISSUED: 2003MAY21/2230Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/545 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST ERUPTION DETAILS: EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 21/2215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. WINDS SFC/120 MOVING NORTHEAST AT 15 TO 20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: ASH NOT IDENTIFIABLE IN SATELLITE DATA ALTHOUGH THERE ARE EXTENSIVE CLOUDS PRESENTS. THERE ARE SOME INDICATIONS OF ASH NORTHEAST OF THE SUMMIT IN MULTISPECTRAL IMAGERY. NEXT ADVISORY: WILL BE ISSUED BY 2003MAY22/0430Z. NNNN