FVXX20 KWBC 110021 VOLCANIC ASH ADVISORY ISSUED: 2003DEC11/0030Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/593 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS. GUAYAQUIL MWO SIGMETS. ERUPTION DETAILS: ASH EMISSIONS OBS ASH DATE/TIME: 10/2345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/280 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: AT 10/2145Z A PILOT REPORTED ASH BETWEEN FL190/FL270 MOVING WEST SOUTHWEST. ANOTHER PILOT REPORTED ASH BETWEEN FL210/FL280 MOVING SOUTHWEST AT 10/2310Z. ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 2345Z DUE TO EXTENSIVE WEATHER CLOUDS. A HOTSPOT WAS VISIBLE IN MULTI- SPECTRAL IMAGERY AT 10/2315Z. NEXT ADVISORY: WILL BE ISSUED BY 2003DEC11/0630Z NNNN