FVXX20 KWBC 261400 VOLCANIC ASH ADVISORY ISSUED: 2002SEP26/1400Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/464 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. AVIATION MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: ERUPTION AT 26/0840Z . OBS ASH DATE/TIME: 26/0707Z . OBS ASH CLOUD: POSSIBLE ASH CLOUD MOVING N FROM SUMMIT. WINDS FL100/250 MOV N 5 TO 10 KNOTS FL250/350 MOV NW 10 TO 15 KTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: ASH IS POSSIBLY MOVING NORTH FROM SUMMIT AS SEEN IN MULTI-SPECTRAL IMAGERY. THE GEOPHYSICAL INSTITUTE INDICATES ACTIVITY HAS DECREASED OVER THE PAST FEW HOURS. WE WILL CONTINUE TO CLOSELY MONITOR THE ACTIVITY...KIBLER . NEXT ADVISORY: WILL BE ISSUED BY 2002SEP26/2000Z. . NNNN