FVXX20 KNES 310507 VA ADVISORY DTG: 20120831/0507Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2012/369 INFO SOURCE: GOES-13. GFS WINDS. SEISMIC DETECTION. ERUPTION DETAILS: ONGOING EMISSION OF GASES AND ASH OBS VA DTG: 31/0445Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL100/200 080/15-20KT FCST VA CLD +6HR: 31/1100Z FCST VA CLD +12HR: 31/1700Z FCST VA CLD +18HR: 31/2300Z RMK: NO VA OR HOTSPOT SEEN IN SAT IMAGERY DUE TO CLDS AND DARKNESS. SEISMIC SIGNALS HAVE GONE BACK TO BACKGROUND LEVEL . WIND FCST TO MOV ANY VA TO WEST OVRNGT. UNTIL DAYLIGHT WILL NOT END ADVISORIES. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20120831/1100Z NNNN