FVXX20 KWBC 260800 VOLCANIC ASH ADVISORY ISSUED: 2002SEP26/0800Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/463 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. AVIATION MODEL WINDS FORECAST. . ERUPTION DETAILS: ERUPTION AT 26/0707Z . OBS ASH DATE/TIME: 26/0707Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE IMAGERY. WINDS FL100/230 MOVING NORTH AT 5 TO 15 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED A VOLCANIC ASH CLOUD TO FL230 AT 0707Z. NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 0715Z. TURK . NEXT ADVISORY: WILL BE ISSUED BY 2002SEP26/1400Z. . NNNN