FVXX21 KNES 251241 VA ADVISORY DTG: 20071225/1234Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2007/947 INFO SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSION OF GASES AND LIGHT ASH OBS VA DTG: 25/1215Z OBS VA CLD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/260 MOVING FROM E 10-15 KNOTS. FCST VA CLD +6HR: 25/1830Z FCST VA CLD +12HR: 26/0030Z FCST VA CLD +18HR: 26/0630Z RMK: NO ASH IS SEEN IN FIRST VISIBLE SAT IMAGERY OF THE DAY BUT LOW LEVEL WEATHER CLOUDS ARE HINDERING ASH DETECTION. NO HOTSPOTS ARE SEEN. GEOPHYSICAL INST REPORTS DECREASED ACTIVITY RELATIVE TO THE HEIGHTENED ACTIVITY OF DEC 21 AND 22. WINDS ARE FM E ENE AND NE. NXT ADVISORY: WILL BE ISSUED BY 20071225/1830Z NNNN