FVXX20 KWBC 291230 VOLCANIC ASH ADVISORY ISSUED: 2002SEP29/1230Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/471 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO. . ERUPTION DETAILS: EXHALATION AT 29/1152Z . OBS ASH DATE/TIME: 29/1215Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL240 MOVING W 10 KTS. . FCST ASH CLOUD+6H: SEE SIGMETS . REMARKS: ASH WAS OBSERVED BY THE GEOPHYSICAL INSTITUTE AT 1152Z TO FL240. LOW AND MID LEVEL CLOUDS COVER THE REGION AROUND THE VOLCANO MAKING IT DIFFICULT TO DETECT ANY ASH FROM SATELLITE. . NEXT ADVISORY: WILL BE ISSUED BY 2002SEP29/1830Z . NNNN