FVXX21 KWBC 281200 VOLCANIC ASH ADVISORY ISSUED: 2002FEB28/1200Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2002/061 . INFORMATION SOURCE: GOES-8 IMAGERY. 00Z GUADELOUPE UPPER AIR SOUNDING . . ERUPTION DETAILS: ONGOING ASH AND STEAM VENTING. . OBS ASH DATE/TIME: 28/1115Z . OBS ASH CLOUD: SFC/FL050 MOVING SW 10 KNOTS ASH NOT IDENTIFIABLE IN SATELLITE IMAGERY. FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: SATELLITE IMAGERY THROUGH 1115Z SHOWS EXTENSIVE CLOUDS OVER THE REGION MAKING IT DIFFICULT TO DETECT ANY ASH. A HOT SPOT CONTINUES IN SHORTWAVE IMAGERY. . NEXT ADVISORY: WILL BE ISSUED BY 2002FEB28/1800Z . NNNN