FVXX21 KWBC 200031 VOLCANIC ASH ADVISORY ISSUED: 2003MAY20/0030Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/537 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST ERUPTION DETAILS: EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 20/0015Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. WINDS SFC/FL070 MOVING WEST AT 10-15 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: NO ASH COULD BE OBSERVED IN SATELLITE IMAGERY THROUGH 0015Z DUE TO WIDESPREAD HIGH CLOUDS. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003MAY20/0630Z NNNN