FVXX21 KNES 312007 VA ADVISORY DTG: 20071231/2006Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2007/974 INFO SOURCE: GOES-12. GFS WINDS. SEISMIC DETECTION. INFRASOUND DETECTION. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 31/1945Z OBS VA CLD: FCST VA CLD +6HR: 01/0200Z FCST VA CLD +12HR: 01/0800Z FCST VA CLD +18HR: 01/1400Z RMK: ASH NOT DETECTED IN IMAGERY DUE TO WEATHER CLOUDS. SEISMIC AND INFRASOUND ACTIVITY CONTINUES. ...SALEMI NXT ADVISORY: WILL BE ISSUED BY 20080101/0200Z NNNN