FVXX20 KNES 232028 VA ADVISORY DTG: 20120423/2027Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2012/159 INFO SOURCE: GOES-13. GFS WINDS. SEISMIC DETECTION. VOLCANO WEB CAMERA. GEOPHYSICAL INST. ERUPTION DETAILS: ONLY GAS PLUME SEEN TODAY OBS VA DTG: 23/1945Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA. FCST VA CLD +6HR: 24/0200Z FCST VA CLD +12HR: 24/0800Z FCST VA CLD +18HR: 24/1400Z RMK: NO VA SEEN IN SAT IMAGERY OR WEBCAM THRU BINOVC. SEISMIC ACTIVITY IS VERY LOW. VO REPORTED NO ASHFALL REPORTS TODAY AND ONLY VAPOR PLUME WHEN SUMMIT VISIBLE. ...SWANSON NXT ADVISORY: NO FURTHER ADVISORIES NNNN