FVXX21 KWBC 061935 VOLCANIC ASH ADVISORY ISSUED: 2004MAR06/1945Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/139 INFORMATION SOURCE: GEOPHYSICAL INSTITUTE. GOES-12 IMAGERY. ERUPTION DETAILS: ASH OBSERVED 6/1200Z. 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: NO FURTHER REPORTS OF ASH HAVE BEEN RECEIVED. THERE HAS BEEN SOME STEAM VENTING REPORTED. NEXT ADVISORY: NO FURTHER ADVISORIES NNNN