FVXX20 KNES 170055 VOLCANIC ASH ADVISORY ISSUED: 2004SEP17/0055Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/473 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH OBSERVED 16/1749Z. OBS ASH DATE/TIME: 17/0015Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING TO W 20 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 17/0015Z. HOWEVER THE LAST VISIBLE IMAGE OF THE SAY...16/2245Z..DOES SHOW A POSSIBLE FAINT PLUME MOVING TO THE WEST AWAY FROM THE SUMMIT. THE PLUME WAS LESS THAN 10 NMI IN LENGTH AND LESS THAN 5 NMI WIDE. WALTER ... THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES EFFECTIVE OCT 28, 2004. NEXT ADVISORY: WILL BE ISSUED BY 2004SEP17/0700Z NNNN