FVXX20 KWBC 301846 VOLCANIC ASH ADVISORY ISSUED: 2003SEP30/1900Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/305 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z OBS ASH DATE/TIME: 30/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/190 MOVING W 5-10 KNOTS. WINDS FL190/270 SW LESS THAN 5 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: ASH CAN NOT BE DETECTED IN MULTI SPECTRAL IMAGERY THROUGH 30/1815Z DUE TO CLOUDS OVER THE VOLCANO. THE GEOPHYSICAL INSTITUTE REPORTED ASH OBSERVED AT 1546Z AND 1641Z OVER THE VOLCANO. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT01/0100Z. NNNN