FVXX20 KWBC 210059 VOLCANIC ASH ADVISORY ISSUED: 2004JAN21/0100Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/071 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET ERUPTION DETAILS: GAS AND ASH EMISSIONS. OBS ASH DATE/TIME: 21/0015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/210 MOVING TO SW 5 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 SATELLITE IMAGERY ALTHOUGH A FAINT HOT SPOT CAN BE SEEN IN MULTI-SPECTRAL IMAGERY AT 21/0015Z. NEXT ADVISORY: WILL BE ISSUED BY 2004JAN21/0700Z. NNNN