FVXX21 KWBC 281840 CCA VOLCANIC ASH ADVISORY - CORRECTION ISSUED: 2003APR28/1900Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/454 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: CONTINUED EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 28/1815Z OBS ASH CLOUD: SFC/FL070 N1643W06211 N1712W06241 N1713W0618 MOVING NW 10-15 KNOTS. SFC/FL070 10 NM WIDE LINE OF ASH EXTENDING BETWEEN N1711W06245 N1734W06325. ASH IS MOVING NW 10-15 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: CORRECTION FOR NEXT ADVISORY TIME...GOES IMAGERY THRU 28/1815Z SHOWS A PLUME OF ASH THAT IS DISPERSING IN A FAN SHAPE FROM THE NNW TO THE NW. THE ASH HAS FANNED OUT OVER THE ISLANDS OF ST. KITTS AND NEVIS. THERE IS ALSO A SMALL PATCH OF ASH OFF THE NW COAST OF ST. KITTS. OTHERWISE LITTLE HAS CHANGED REGARDING HEIGHT AND WIND INFORMATION. ...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 2003APR29/0100Z. NNNN