FVXX22 KNES 212354 VOLCANIC ASH ADVISORY ISSUED: 2006APR21/2354Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1642 W06210 AREA: W_INDIES SUMMIT ELEVATION: 3002 FT (915 M) ADVISORY NUMBER: 2006/262 INFORMATION SOURCE: GOES-12. NAM WINDS. ERUPTION DETAILS: ONGOING EMISSTIONS OF GASES AND LIGHT ASH. OBS ASH DATE/TIME: 21/2315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL100 MOVING TO W -NW 5-10 KNOTS. FCST ASH CLOUD +6H: 22/0530Z FCST ASH CLOUD +12H: 22/1130Z FCST ASH CLOUD +18H: 22/1730Z REMARKS: NOW WITH DARKNESS WE CAN NO LONGER DETECTED THE LOW LEVEL PLUME FROM THE VOLCANO. AS NIGHT FELL THE PLUME WAS MOVING MOSTLY NORTHWEST. A PILOT REPORT AT 1849Z VERIFIED ASH AND GASES BELOW FL100 OVER ST. KIT. WINDS ARE FORECAST TO BECOME MORE WESTERLY WITH TIME ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 2006APR22/0600Z NNNN