FVXX20 KNES 251253 VA ADVISORY DTG: 20120825/1253Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2012/360 INFO SOURCE: GOES-15. GFS WINDS. SEISMIC DETECTION. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 25/1215Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL200 090/20KT FCST VA CLD +6HR: 25/1830Z FCST VA CLD +12HR: 26/0030Z FCST VA CLD +18HR: 26/0630Z RMK: CLDS COVER THE VOLCANO INHIBITING VA DETECTION. SEISMIC ACTIVITY HAS DECREASED. HEIGHT IS LOWERED BASED ON CLD TOP HEIGHT. ...RUMINSKI NXT ADVISORY: WILL BE ISSUED BY 20120825/1900Z NNNN