FVXX21 KWBC 210026 VOLCANIC ASH ADVISORY ISSUED: 2004MAR21/0030Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: W.INDIES SUMMIT ELEVATION: 3002 FT (915 M) ADVISORY NUMBER: 2004/64 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. PILOT REPORT. ERUPTION DETAILS: ASH VENTING. OBS ASH DATE/TIME: 20/2345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL050 MOVING W 18-22 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: MULTISPECTRAL IMAGERY SHOWS NO CURRENT HOTSPOT ACTIVITY OR ASH PLUME. THE LAST VISIBLE IMAGERY OF THE DAY DID SHOW A VERY FAINT PLUME MOVING TO THE WEST. NEXT ADVISORY: WILL BE ISSUED BY 2004MAR21/0630Z NNNN