FVXX20 KWBC 022330 VOLCANIC ASH ADVISORY ISSUED: 2002OCT02/2330Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/483 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO. GEOPHYSICAL INSTITUTE. AVN MODEL WINDS FORECAST. . ERUPTION DETAILS: ERUPTION AT 02/1328Z. OBS ASH DATE/TIME: 02/2245Z. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE IMAGERY. WINDS FL100/FL300 MOVING WEST 5-10KT. . FCST ASH CLOUD+6H: SEE SIGMETS . REMARKS: NO ASH WAS DETECTED IN LIMITED SATELLITE IMAGERY THROUGH 2245Z. HOWEVER ASH WAS REPORTED OVER RIOBAMBA (S0140W07838) AT 2200Z. THE GEOPHYSICAL INSTITUTE INDICATED THAT ACTIVITY HAD DECREASED SINCE THIS MORNINGS ERUPTION AND VISIBLE SATELLITE IMAGERY DID NOT REVEAL ANY ASH IN THE IMMEDIATE VICINITY OF THE SUMMIT THROUGH 2245Z. TURK/KIBLER . NEXT ADVISORY: WILL BE ISSUED BY 03/0530Z. . NNNN