FVXX20 KWBC 292340 VOLCANIC ASH ADVISORY ISSUED: 2004APR29/2345Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/182 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: AIRCRAFT OBSERVATION AT 29/1700Z OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THERE HAVE BEEN NO FURTHER OBSERVATIONS OF ASH.....KARST NEXT ADVISORY: NO FURTHER ADVISORIES NNNN