FVXX21 KWBC 041631 VOLCANIC ASH ADVISORY ISSUED: 2004JUL04/1631Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/329 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH OBSERVED AT 1457Z OBS ASH DATE/TIME: 04/1615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOVING TO W 15-20 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: AT 1457 THE GEOPHYSICAL INSTITUTE OBSERVED A VOLCANIC ASH CLOUD FL165/200. NO ASH CAN BE SEEN IN CURRENT SATELLITE IMAGERY BECAUSE OF DENSE WEATHER CLOUDS IN THE AREA. ... NEXT ADVISORY: NO FURTHER ADVISORIES NNNN