FVXX20 KWBC 081145 VOLCANIC ASH ADVISORY ISSUED: 2002OCT08/1145Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/490 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO SIGMET. AVN MODEL WINDS FORECAST. . ERUPTION DETAILS: ASH OBSERVED AT 08/1105Z OBS ASH DATE/TIME: 08/1105Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL180 MOVING W 10 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS . REMARKS: A NEW GUAYAQUIL SIGMET INDICATES AN AIRCRAFT REPORT OF NEAR SUMMIT ASH AT 1105Z MOVING WEST. ASH CAN NOT BE SEEN IN CURRENT SATELLITE IMAGERY THROUGH 08/1115Z....WALTER . NEXT ADVISORY: WILL BE ISSUED BY 2002OCT08/1800Z. . NNNN