FVXX21 KNES 290050 VOLCANIC ASH ADVISORY ISSUED: 2004AUG29/0050Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/438 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH OBSERVED AT 28/2340Z OBS ASH DATE/TIME: 29/0015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL200 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED ASH TO FL200 OVER THE VOLCANO AT 28/2340Z. NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 0015Z. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 2004AUG29/0645Z NNNN