FVXX20 KWBC 150754 VOLCANIC ASH ADVISORY ISSUED: 2003DEC15/0800Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/609 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH EMISSIONS OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: ASH IS NOW TOO THIN TO BE DETECTED IN SATELLITE IMAGERY....WALTER NEXT ADVISORY: NO FURTHER ADVISORIES NNNN