FVXX20 KWBC 251721 VOLCANIC ASH ADVISORY ISSUED: 2004APR25/1721Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/178 INFORMATION SOURCE: GOES-12 IMAGERY. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ERUPTION AROUND 25/1115Z 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: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 25/1645Z. THE GEOPHYSICAL INSTITUTE INDICATED THAT TUNGURAHUA IS QUIET. ... NEXT ADVISORY: NO FURTHER ADVISORIES NNNN