FVXX20 KNES 171241 VA ADVISORY DTG: 20120817/1241Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2012/324 INFO SOURCE: GUAYAQUIL MWO. GOES-13. GFS WINDS. SEISMIC DETECTION. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSION OF GASES AND ASH OBS VA DTG: 17/1215Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL100/FL180 090/10-15KT FCST VA CLD +6HR: 17/1830Z FCST VA CLD +12HR: 18/0030Z FCST VA CLD +18HR: 18/0630Z RMK: NO VA DETECTED DUE TO THICK CLDS. AT 0920Z THE VO RPRTD PLUME OF GASES AND ASH TO FL165 MOV W. SESMIC DATA SHOWS CONSTANT ACTIVITY. WINDS FCST TO MOV ANY ASH W ALL DAY. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20120817/1845Z NNNN