FVXX20 KWBC 231845 VOLCANIC ASH ADVISORY ISSUED: 2004JAN23/1900Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/082 INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMETS. GFS MODEL FORECAST. ERUPTION DETAILS: ASH AND GAS EMISSIONS OBS ASH DATE/TIME: 23/1815Z OBS ASH CLOUD: FL100/220 WINDS MOVING TO S 5-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: ASH IS NO LONGER VISIBLE IN SATELLITE IMAGERY THROUGH 23/1815Z. EARLIER IMAGERY DID SHOW ASH MOVING DUE SOUTH OF THE VOLCANO. CURRENT IMAGERY SHOWS A WEAK HOT SPOT IN THE VICINITY OF THE VOLCANO. MODEL WINDS CONTINUE TO SUGGEST THAT ANY ASH BELOW FL220 WOULD MOVE TO THE WEST- SOUTHWEST. NEXT ADVISORY: WILL BE ISSUED BY 2004JAN24/0100Z. NNNN