FVXX20 KWBC 160759 VOLCANIC ASH ADVISORY ISSUE: 2003JUL16/0800Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/594 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ERUPTION AT 15/0530Z. OBS ASH DATE/TIME: 16/0715Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL120 MOVING W 15 KNOTS. WINDS FL120/FL250 MOVING W 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD. REMARKS: ASH IS NOT VISIBLE IN SATELLITE IMAGERY THROUGH 16/0715Z. SCATTERED LOW AND MIDDLE LEVEL CLOUDS MAY BE OBSCURING ANY ASH PRESENT. NEXT ADVISORY: WILL BE ISSUED BY 2003JUL16/1400Z. NNNN