FVXX20 KWBC 121229 VOLCANIC ASH ADVISORY ISSUED: 2003NOV12/0630Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/485 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: ASH AND STEAM EXHALATIONS OBS ASH DATE/TIME: 12/1215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/250 MOVING W 5-10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 12/1215Z ALTHOUGH THERE ARE EXTENSIVE CLOUDS IN THE AREA. THE GEOPHYSICAL INSTITUTE LAST OBSERVED VOLCANIC ASH AT 11/2216Z WITH HEIGHT UNKNOWN. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV12/1830Z. NNNN