FVXX20 KWBC 090131 VOLCANIC ASH ADVISORY - CORRECTION ISSUED: 2003SEP09/0130Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/224 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: EMISSION AT 09/0051Z. OBS ASH DATE/TIME: 09/0045Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/270 LIGHT AND VARIABLE. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED AN ASH CLOUD TO FL265 AT 0051Z. EXTENSIVE CLOUD COVER PRECLUDED THE DETECTION OF ASH IN SATELLITE IMAGERY. CORRECTED FOR OBS ASH DATE. NEXT ADVISORY: WILL BE ISSUED BY 2003SEP09/0730Z. NNNN