FVXX20 KWBC 160946 VOLCANIC ASH ADVISORY ISSUED: 2003APR16/0940Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2003/415 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST ERUPTION DETAILS: CONTINUED EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 16/0915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL030 MOVING W 15-20 KNOTS. ASH FL040/FL070 MOVING NW 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH WAS EITHER TOO DIFFUSE OR TOO LOW IN ALTITUDE TO BE DETECTED IN SATELLITE IMAGERY THROUGH 0915Z. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003APR16/1600Z. NNNN