FVXX21 KNES 252233 VOLCANIC ASH ADVISORY ISSUED: 20070725/2232Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/447 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSIONS OF GASES AND ASH OBS ASH DATE/TIME: 25/2145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL200 MOVING TO W 15-20 KNOTS. FCST ASH CLOUD +6H: 26/0400Z FCST ASH CLOUD +12H: 26/1000Z FCST ASH CLOUD +18H: 26/1600Z REMARKS: THE OBSERVATORY HAS LOWER THE ESTIMATED HEIGHT OF THE PLUME. NO PLUME CAN BE SEEN IN IMAGERY DUE TO NEAR SUMMIT CLOUDS. NO PLUME CAN BE SEEN IN IMAGERY DOWN WIND 15 NM IN CLEAR SKIES. ANY ASH WILL CONTINUE TO MOVE WEST OVERNIGHT. ...SWANSON NEXT ADVISORY: WILL BE ISSUED BY 20070726/0430Z