FVXX20 KWBC 212249 VOLCANIC ASH ADVISORY ISSUED: 2003SEP21/2230Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/269 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: EMISSION AT 21/2141Z OBS ASH DATE/TIME: 22/2215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/260 MOVING W 5-10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: ASH IS NOT VISIBLE IN SATELLITE IMAGERY THROUGH 21/1215Z DUE TO WEATHER CLOUDS ACROSS THE REGION. THE GEOPHYSICAL INSTITUTE OBSERVED A VOLCANIC ASH CLOUD AT 2141Z AND ASH MOVING TOWARDS THE WEST. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003SEP22/0430Z. NNNN