FVXX20 KWBC 300644 VOLCANIC ASH ADVISORY ISSUED: 2003SEP30/0700Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/303 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z OBS ASH DATE/TIME: 30/0615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/190 MOVING W 5-10 KNOTS. WINDS FL190/270 MOVING N 5-10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: ASH CAN NOT BE DETECTED IN MULTI SPECTRAL IMAGERY DUE TO DENSE CLOUDS OVER THE VOLCANO. THE LAST OBSERVATION OF ASH BY THE INSTITUTE WAS AT 1801Z TO FL265...KARST NEXT ADVISORY: WILL BE ISSUED BY 2003SEP30/1300Z. NNNN