FVXX20 KWBC 211902 VOLCANIC ASH ADVISORY ISSUED: 2004JAN21/1900Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/074 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: GAS AND ASH EMISSIONS. OBS ASH DATE/TIME: 21/1845Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL 165/200 SW 10-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: EARLY MORNING VISIBLE IMAGERY SHOWED A PLUME EXTENDING TO THE EAST OF THE SUMMIT. HOWEVER, CURRENT IMAGERY SHOWS LOW TO MID LEVEL CLOUDINESS MOVING SW IN AND AROUND THE SUMMIT BUT OBSCURING ANY ASH DETECTION. BALDWIN NEXT ADVISORY: WILL BE ISSUED BY 2004JAN22/0100Z. NNNN