FVXX21 KWBC 271800 VOLCANIC ASH ADVISORY ISSUED: 2002FEB27/1800Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2002/058 . INFORMATION SOURCE: GOES-8 IMAGERY.12Z GUADELOUPE UPPER AIR SOUNDING . . ERUPTION DETAILS: ONGOING ASH AND STEAM VENTING. . OBS ASH DATE/TIME: 27/1715Z . OBS ASH CLOUD: SFC/FL050 MOVING S 10 KNOTS ASH NOT IDENTIFIABLE IN SATELLITE IMAGERY. FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE LATEST SATELLITE IMAGERY SHOWS LOW CLOUDS OVER THE REGION MAKING IT DIFFICULT TO DETECT ANY LOW LEVEL ASH. A HOTSPOT CONTINUES IN SHORTWAVE IMAGERY. KARST . NEXT ADVISORY: WILL BE ISSUED BY 2002FEB28/0000Z . NNNN