FVXX20 KWBC 300456 VOLCANIC ASH ADVISORY ISSUED: 2003AUG30/0455Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/185 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ONGOING ERUPTION SINCE 20/1745Z. OBS ASH DATE/TIME: 30/0345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOV W 10-15 KNOTS FL210/260 MOV NW 10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD. REMARKS: THE PLUME HAS BECOME TO FAINT TO DETECT IN IMAGERY AND THERE ARE ALSO SOME CLOUDS IN THE AREA OF THE VOLCANO MAKING DETECTION DIFFICULT. NEXT ADVISORY: WILL BE ISSUED BY 2003AUG30/1100Z. NNNN