FVXX21 KNES 281411 VOLCANIC ASH ADVISORY ISSUED: 2004AUG28/1410Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: N3137W10251 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/436 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ONGOING EMISSIONS OBS ASH DATE/TIME: 28/1345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/210 MOVING TO SW 5-15 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: ASH CAN NOT BE SEEN IN THE CURRENT SATELLITE IMAGERY THROUGH 28/1345Z. WALTER ... NEXT ADVISORY: WILL BE ISSUED BY 2004AUG28/2015Z NNNN