FVXX20 KWBC 030749 VOLCANIC ASH ADVISORY ISSUED: 2003DEC03/0800Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/561 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS. ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 03/0715Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO NE 5 KT. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: EXTENSIVE CLOUD COVER IS PREVENTING ANY ASH PRESENT FROM BEING SEEN IN SATELLITE IMAGERY THROUGH 03/0715Z. NEXT ADVISORY: WILL BE ISSUED BY 2003DEC03/1400Z. NNNN