FVXX20 KWBC 050900 VOLCANIC ASH ADVISORY ISSUED: 2003JAN05/0900Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2003/018 INFORMATION SOURCE: GOES-8 IMAGERY. UPPER AIR SOUNDING. ERUPTION DETAILS: ONGOING ASH AND STEAM EMISSIONS. OBS ASH DATE/TIME: 04/2045Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL050 MOVING NW 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: EXTENSIVE CLOUD COVER PRECLUDED THE DETECTION OF ASH IN SATELLITE IMAGERY THROUGH 0832Z. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003JAN05/1500Z. NNNN