FVXX20 KWBC 221610 VOLCANIC ASH ADVISORY ISSUED: 2003SEP22/1630Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/272 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: EMISSION AT 21/2345Z OBS ASH DATE/TIME: 22/1545Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/260 MOVING SW 10-15 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: ASH CAN NOT BE SEEN IN THE CURRENT SATELLITE IMAGERY THROUGH 22/1545Z....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2003SEP22/2230Z. NNNN