FVXX20 KWBC 262300 VOLCANIC ASH ADVISORY ISSUED: 2002SEP26/2300Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/466 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. AVIATION MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: EXHALATION AT 26/1615Z . OBS ASH DATE/TIME: 26/2245Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE IMAGERY. WINDS FL100/FL230 MOVING N 5 TO 10 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD. . REMARKS: ASH IS NO LONGER DETECTED IN SATELLITE IMAGERY THROUGH 2245Z. THE ASH MOVING NORTH FROM THE EARLIER ERUPTION HAS DISSIPATED...KARST . NEXT ADVISORY: WILL BE ISSUED BY 2002SEP27/0500Z. . NNNN