FVXX21 KNES 250808 VA ADVISORY DTG: 20071125/0804Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2007/821 INFO SOURCE: GOES-12. GFS WINDS. SIGMET ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 25/0715Z OBS VA CLD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING FROM NE 5-10 KNOTS. FCST VA CLD +6HR: 25/1330Z FCST VA CLD +12HR: 25/1930Z FCST VA CLD +18HR: 26/0130Z RMK: NO ASH OR HOTSPOTS CAN BE SEEN IN IMAGERY THROUGH 0715Z BUT LOW LEVEL WEATHER CLOUDS AND NIGHTFALL ARE HINDERING ASH DETECTION. THE MOST RECENT KNOWN ASH REPORT WAS A 24/2240Z OBS OF ASH FL165/230. WINDS ARE LIGHT AND VARIABLE AT OR ABOVE FL230 SO THERE IS LITTLE CERTAINTY ABOUT WIND DIRECTION. NXT ADVISORY: WILL BE ISSUED BY 20071125/1400Z NNNN