FVXX20 KWBC 160310 VOLCANIC ASH ADVISORY ISSUED: 2003MAR16/0330Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2003/286 INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. UPPER AIR SOUNDING. ERUPTION DETAILS: CONTINUOUS EMISSION OF GASES AND ASH. OBS ASH DATE/TIME: 16/0245Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL090 MOVING NW 10-15 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: ASH IS TOO DIFFUSE TO BE SEEN IN INFRARED IMAGERY. THE LAST VISIBLE IMAGE AT 15/2045Z SHOWED A PLUME EXTENDING TO THE NORTHWEST OF THE SUMMIT. ASH IS MOVING TOWARDS THE NORTHWEST AT 10-15 KNOTS. AN OCCASIONAL HOT SPOT CAN BE SEEN IN SHORTWAVE IMAGERY. KARST NEXT ADVISORY: WILL BE ISSUED BY 2003MAR16/0930Z NNNN