FVXX20 KWBC 050734 VOLCANIC ASH ADVISORY ISSUED: 2003SEP05/0800Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/212 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ONGOING ERUPTION SINCE 20AUG/1745Z. OBS ASH DATE/TIME: 05/0715Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/210 MOVING W 15-20 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD. REMARKS: ASH CAN NOT BE SEEN IN THE CURRENT SATELLITE IMAGERY THROUGH 05/0715Z. ASH WAS LAST OBSERVED AT 04/1744Z TO FL210. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003SEP05/1400Z. NNNN