FVXX20 KWBC 021940 VOLCANIC ASH ADVISORY ISSUED: 2003DEC02/2000Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/559 INFORMATION SOURCE: GOES-12 IMAGERY. AVN MODEL WINDS. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 02/1915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING E 5-10 KTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: EARLIER ASH PLUME NOT VISIBLE ON SATELLITE IMAGERY DUE TO BROKEN CLOUDINESS IN THE REGION AND PROBABLY SUN ANGLE. SEVERAL MWO SIGMETS MENTION ASH CLOUD FL165/FL230 MOVING E OR NE FROM THE SUMMIT. A HOTSPOT IS VISIBLE ON MULTISPECTRAL IMAGERY. BALDWIN NEXT ADVISORY: WILL BE ISSUED BY 2003DEC03/0200Z. NNNN