FVXX20 KWBC 160826 VOLCANIC ASH ADVISORY ISSUED: 2004APR16/0820Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/159 INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: OBSERVED AROUND 16/0145Z OBS ASH DATE/TIME: 16/0745Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/180 MOVING TO SW 10 KNOTS. FL180/240 MOVING TO W 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 SATELLITE IMAGERY THROUGH 16/0745Z DUE TO EXTENSIVE WEATHER CLOUDS. NEXT ADVISORY: WILL BE ISSUED BY 2004APR16/1430Z. NNNN