FVXX20 KWBC 111826 VOLCANIC ASH ADVISORY ISSUED: 2003NOV11/1830Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/482 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH AND STEAM EXHALATIONS OBS ASH DATE/TIME: 11/1745Z 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 11/1745Z DUE TO VERY DENSE CLOUD COVER. THE GEOPHYSICAL INSTITUTE OBSERVED VOLCANIC ASH AT 1645Z WITH HEIGHT UNKNOWN. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV12/0030Z. NNNN