FVXX20 KWBC 291954 VOLCANIC ASH ADVISORY ISSUED: 2003SEP29/1900Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/301 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: 29/1815Z OBS ASH CLOUD: SFC/FL265 S0124W07830 S0124W07820 S0138W07826 S0137W07839 MOVING VARIABLE LESS THAN 5 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: AT 1801Z THE GEOPHYSICAL INSTITUTE REPORTED ASH IN THE VICINITY OF THE VOLCANO MOVING NW. LOCAL AIRCRAFT REPORTED ASH AT 1748Z. NEXT ADVISORY: WILL BE ISSUED BY 2003SEP30/0100Z. NNNN