FVXX21 KWBC 100623 VOLCANIC ASH ADVISORY ISSUED: 2003MAY10/0620Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/500 INFORMATION SOURCE: GOES-12 IMAGERY. UPPER AIR SOUNDING ERUPTION DETAILS: EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 10/0545Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL070 MOVING W 10 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: EXTENSIVE CIRRUS CLOUDS COVERED THE REGION MAKING IT IMPOSSIBLE TO DETECT ASH THROUGH 0445Z. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003MAY10/1230Z. NNNN