FVXX20 KWBC 300035 VOLCANIC ASH ADVISORY ISSUED: 2003SEP30/0100Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/302 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: 30/0015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/190 MOVING W 0-5 KNOTS. FL190/270 NE 0-5 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: AS THE SUNLIGHT SET OVER ECUADOR...ASH WAS VISIBLE ABOUT 5 NM SURROUNDING THE SUMMIT WITH A NARROW PLUME MOVING TO THE NE. HOWEVER...WEATHER CLOUDS HAVE OBSCURED MULTI- SPECTRAL ASH DETECTION TECHNIQUES AND ASH CANNOT BE OBSERVED ON SATELLITE AS OF THE 0015Z IMAGE. THE ASH EMISSION AT ABOUT 2015Z LOOKED TO BE VIGOROUS AND WAS VERY DARK IN APPEARANCE...SO WILL LEAVE MAXIMUM HEIGHT OF ASH AT FL270 FOR NOW...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 2003SEP30/0700Z. NNNN