FVXX20 KWBC 111213 VOLCANIC ASH ADVISORY ISSUED: 2003NOV11/1230Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/481 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH AND STEAM EXHALATIONS OBS ASH DATE/TIME: 11/1145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING SW 5-10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 11/1145Z DUE TO EXTENSIVE CLOUD COVER. THE GEOPHYSICAL INSTITUTE OBSERVED VOLCANIC ASH AT 1132Z WITH HEIGHT UNKNOWN. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV11/1830Z. NNNN