FVXX21 KWBC 200616 VOLCANIC ASH ADVISORY ISSUED: 2003MAY20/0630Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/538 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST ERUPTION DETAILS: EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 20/0545Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL070 MOVING W 10 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: NO ASH COULD BE DETECTED IN MULTISPECTRAL OR INFRARED SATELLITE IMAGERY THROUGH 0515Z POSSIBLY DUE TO CLOUDS IN THE AREA. HOWEVER AN INTERMITTENT HOTSPOT COULD BE SEEN THROUGH THE CLOUDS. NEXT ADVISORY: WILL BE ISSUED BY 2003MAY20/1230Z NNNN