FVXX21 KWBC 170544 VOLCANIC ASH ADVISORY ISSUED: 2003MAY17/0545Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/528 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST ERUPTION DETAILS: EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 17/0515Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL050 MOVING WEST AT 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 17/0515Z DUE TO EXTENSIVE CLOUD COVER. NEXT ADVISORY: WILL BE ISSUED BY 2003MAY17/1200Z. NNNN