FVXX20 KWBC 101223 VOLCANIC ASH ADVISORY ISSUED: 2004JAN10/1230Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/031 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: MODERATE GAS AND ASH EMISSIONS. OBS ASH DATE/TIME: 10/1115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOVING TO SW 5-10 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: ASH CANNOT BE SEEN IN THE SATELLITE IMAGERY. HOWEVER LOW LEVEL WEATHER CLOUDS MIGHT BE HINDERING ASH DETECTION. NEXT ADVISORY: WILL BE ISSUED BY 2004JAN10/1830Z. NNNN