FVXX20 KWBC 150155 VOLCANIC ASH ADVISORY ISSUED: 2003DEC15/0200Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/608 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH EMISSIONS OBS ASH DATE/TIME: 15/0115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 MOVING TO SW 15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 0115Z DUE TO EXTENSIVE CLOUD COVER. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003DEC15/0800Z. NNNN