FVXX21 KWBC 080523 VOLCANIC ASH ADVISORY ISSUED: 2003MAY08/0530Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/492 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 08/0445Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL070 MOVING W 20-25 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: HIGH LEVEL CLOUDS COVER THE AREA AROUND THE VOLCANO MAKING IT DIFFICULT TO DETECT ASH. AN OCCASIONAL HOT SPOT CAN BE SEEN IN SHORTWAVE IMAGERY. KARST NEXT ADVISORY: WILL BE ISSUED BY 2003MAY08/1130Z. NNNN