FVXX20 KNES 191857 VOLCANIC ASH ADVISORY ISSUED: 20070919/1857Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S01170 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/577 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: ONGOING EMISSIONS OBS ASH DATE/TIME: 19/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL180 MOVING TO W 5-15 KNOTS. FCST ASH CLOUD +6H: 20/0030Z FCST ASH CLOUD +12H: 20/0630Z FCST ASH CLOUD +18H: 20/1230Z REMARKS: ASH CANNOT BE SEEN DUE TO BROKEN WEATHER CLOUDS IN THE AREA. BEFORE THE CLOUDS DEVELOPED A PLUME WAS SEEN IN VISIBLE IMAGERY SHIFTING FROM SW TO DUE W. ...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 20070920/0100Z NNNN