FVXX20 KWBC 061353 VOLCANIC ASH ADVISORY ISSUED: 2003APR06/1400Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2003/375 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: CONTINUED EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 06/1315Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL070 MOVING NW 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: SATELLITE IMAGERY THROUGH 06/1315Z SHOWS CLOUDS RAPIDLY OVERSPREADING THE AREA OVER THE VOLCANO, THUS ASH IS CURRENTLY NOT VISIBLE. HOWEVER AT 06/1145Z A SMALL FAINT PLUME WAS OBSERVED EXTENDING FROM THE SUMMIT TO APPROXIMATELY N1648W06236. THIS PLUME WAS LESS THAN 5 NM IN WIDTH. IN ADDITION AN OCCASIONAL HOTSPOT WAS OBSERVED DURING THE PAST SIX HOURS....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2003APR06/2000Z. NNNN