FVXX20 KWBC 160250 VOLCANIC ASH ADVISORY ISSUED: 2004APR16/0245Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/158 INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: OBSERVED AROUND 16/0145Z OBS ASH DATE/TIME: 16/0215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/250 LIGHT AND VARIABLE FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED AN ERUPTION AT THE VOLCANO WITH A POSSIBLE PLUME TO AROUND FL240 MOVING WEST. THE ERUPTION IS DIFFICULT TO SEE AT NIGHT AND DUE TO CLOUDS IN THE AREA. ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 16/0215Z DUE TO EXTENSIVE WEATHER CLOUDS. NEXT ADVISORY: WILL BE ISSUED BY 2004APR16/0830Z. NNNN