FVXX20 KWBC 101815 VOLCANIC ASH ADVISORY ISSUED: 2003DEC10/1815Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/592 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS. GUAYAQUIL MWO SIGMETS. ERUPTION DETAILS: ASH EMISSIONS OBS ASH DATE/TIME: 10/1745Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: AT 10/1225Z A PILOT REPORTED ASH TO FL210 MOVING WEST. ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 1745Z DUE TO EXTENSIVE WEATHER CLOUDS. NEXT ADVISORY: WILL BE ISSUED BY 2003DEC11/0030Z NNNN