FVXX20 KWBC 230056 VOLCANIC ASH ADVISORY ISSUED: 2004JAN23/0100Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/079 INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMET. LOCAL AIRCRAFT REPORT. GFS MODEL FORECAST. ERUPTION DETAILS: ASH AND GAS EMISSIONS. OBS ASH DATE/TIME: 23/0015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOVING TO SW 5-10 KNOTS. FL200/270 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: CURRENTLY THICK CLOUDS COVER THE AREA OBSCURING ANY ASH. AT 22/2206Z THE GEOPHYSICAL INSTITUTE REPORTED ASH UP TO FL270 MOVING E/NE. AT 22/2347Z LOCAL AIRCRAFT REPORTED ASH AT FL240. NEXT ADVISORY: WILL BE ISSUED BY 2004JAN23/0700Z. NNNN