FVXX21 KWBC 120200 VOLCANIC ASH ADVISORY ISSUED: 2002OCT12/0200Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: MONTSERRAT . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2002/157 . INFORMATION SOURCE: GOES-8 IMAGERY. UPPER AIR SOUNDING. . ERUPTION DETAILS: ASH/STEAM AT 11/1315Z . OBS ASH DATE/TIME: NIL. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE LATEST SATELLITE IMAGERY SHOWS THAT THE VOLCANIC ASH HAS BECOME TOO THIN TO BE DETECTED...KARST . NEXT ADVISORY: NO FURTHER ADVISORIES . NNNN