FVXX20 KWBC 121521 VOLCANIC ASH ADVISORY ISSUED: 2004JAN12/1530Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/039 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: GAS AND ASH EMISSIONS. OBS ASH DATE/TIME: 12/1445Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOVING E 5 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: ASH CAN NOT BE SEEN IN THE CURRENT SATELLITE IMAGERY THROUGH 12/1445Z. HOWEVER A PILOT REPORT AT 12/1445Z PLACED ASH AT FL200 MOVING EAST...WALTER NEXT ADVISORY: WILL BE ISSUED BY 2003JAN12/2130Z NNNN