FVXX21 KNES 280541 VOLCANIC ASH ADVISORY ISSUED: 2006MAY28/0540Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1642 W06210 AREA: W_INDIES SUMMIT ELEVATION: 3002 FT (915 M) ADVISORY NUMBER: 2006/401 INFORMATION SOURCE: GOES-12. GFS WINDS. NAM WINDS. ERUPTION DETAILS: ONGOING DOME BUILDING OBS ASH DATE/TIME: 28/0532Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL060 MOVING TO W 15-20 KNOTS. FCST ASH CLOUD +6H: 28/1130Z WINDS SFC/FL060 MOVING TO NW 13-18 KNOTS. FCST ASH CLOUD +12H: 28/1730Z WINDS SFC/FL060 MOVING TO NW 10-15 KNOTS. FCST ASH CLOUD +18H: 28/2330Z WINDS SFC/FL060 MOVING TO W 10-15 KNOTS. REMARKS: CURRENTLY CLOUDS AND LOW LEVEL NATURE OF THE ASH MAKE DETECTION USING MULTISPECTRAL IR IMAGERY VERY DIFFICULT. HOWEVER...CLOUDS IN THE AREA ARE MAKING GOOD TRACERS WHICH SHOW MOVEMENT TO THE W TO WNW. FORECASTS ARE FOR A SLOWING OF THE WINDS AND A SLIGHT VEERING FOR ASH TRANSPORT TO THE NW BY 9-15HR PERIOD...THEN BACKING AGAIN TO W MOVEMENT BY END OF THE FORECAST PERIOD. ...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 2006MAY28/1145Z NNNN