FVXX20 KNES 122225 VA ADVISORY DTG: 20161212/2225Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2016/457 INFO SOURCE: GOES-EAST. GFS WINDS. ECMWF WINDS. SEISMIC DETECTION. VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 12/2145Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL125 135/5-10KT FCST VA CLD +6HR: 13/0400Z FCST VA CLD +12HR: 13/1000Z FCST VA CLD +18HR: 13/1600Z RMK: T+0 CONFIDENCE LOW. ALTHOUGH VA EMS CANNOT BE SEEN IN WEB CAM OR STLT IMAGERY DUE TO WX CLDS OBSERVATORY RPTS AND SEISMIC ACT SUGGEST INTERMITTENT PUFFS. VA MOV NW-N. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20161213/0430Z