FVXX20 KWBC 151200 VOLCANIC ASH ADVISORY ISSUED: 2003NOV15/1200Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/498 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: ASH AND STEAM EXHALATIONS OBS ASH DATE/TIME: 14/1145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/260 MOVING W 5-10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 1145Z ALTHOUGH THERE ARE EXTENSIVE CLOUDS IN THE AREA. A PILOT LAST REPORTED ASH TO FL260 MOVING WEST SOUTHWEST AT 14/2308Z. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV15/1800Z. NNNN