FVXX20 KWBC 152000 VOLCANIC ASH ADVISORY ISSUED: 2002NOV15/2000Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/529 . INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: EMISSION AT 15/1115Z TO FL180. . OBS ASH DATE/TIME: NIL. . OBS ASH CLOUD: ASH NOT OBSERVED IN SATELLITE IMAGERY. . FCST ASH CLOUD +6H: SEE SIGMETS . REMARKS: ASH HAD BECOME TOO DIFFUSE TO BE DETECTED BY 1915Z IN SATELLITE IMAGERY. TURK . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN