FVXX20 KWBC 091810 VOLCANIC ASH ADVISORY ISSUED: 2003NOV09/1830Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/474 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH AND STEAM EXHALATIONS OBS ASH DATE/TIME: 09/1745Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING W 7-13 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: MIDDAY WEATHER CLOUDS HAVE DEVELOPED OVER THE MOUNTAINS OF ECUADOR OBSCURING THE THIN PLUME OF ASH AND STEAM THAT WAS SEEN MOVING TO THE WSW OF THE SUMMIT THROUGHOUT THE EARLY MORNING HOURS. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV10/0030Z. NNNN