FVXX20 KWBC 120123 VOLCANIC ASH ADVISORY ISSUED: 2003OCT12/0130Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/354 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: EXHALATION AT 10/1645Z OBS ASH DATE/TIME: 12/0045Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/300 LIGHT AND VARIABLE. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 0045Z DUE TO EXTENSIVE CLOUD COVER. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003OCT12/0730Z. NNNN