FVXX20 KWBC 230651 VOLCANIC ASH ADVISORY ISSUED: 2004JAN23/0700Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/080 INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMETS. GFS MODEL FORECAST. NOTAM ERUPTION DETAILS: ASH AND GAS EMISSIONS OBS ASH DATE/TIME: 23/0615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/220 MOVING TO SW 5-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: THICK WEATHER CLOUDS CONTINUE TO COVER THE AREA OBSCURING ANY ASH. AT 23/0423Z THE GEOPHYSICAL INSTITUTE OBSERVED AN ASH CLOUD FL165/195. MODEL WINDS CONTINUE TO SUGGEST THAT ANY ASH BELOW FL220 WOULD MOVE TO THE SOUTHWEST BUT AT 22/2206Z THERE WAS A REPORT OF ASH MOVING E/NE. NEXT ADVISORY: WILL BE ISSUED BY 2004JAN23/1300Z. NNNN