FVXX20 KNES 120000 VA ADVISORY DTG: 20071111/2359Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2007/778 INFO SOURCE: GOES-12. GFS WINDS. INFRASOUND DETECTION. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSION OF GASES AND OCASSIONAL ASH OBS VA DTG: 11/2315Z OBS VA CLD: FCST VA CLD +6HR: 12/0530Z FCST VA CLD +12HR: 12/1130Z FCST VA CLD +18HR: 12/1730Z RMK: DUE TO CLDS NO VA DETECTED. THE EVENING VO REPORT SAID THAT FOR MOST OF THE DAY THE PLUME HAD A VERY LOW VA CONTENT HOWEVER IN THE PAST 2 HRS THERE HAS BEEN SOME SEISMIC AND SOUND DETECTION OF A SLIGHT INCREASE IN ACTIVITY SO NEAR SUMMIT ASH MAY BE PRESENT. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20071112/0600Z NNNN