FVXX23 KNES 060221 VA ADVISORY DTG: 20170506/0221Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/128 INFO SOURCE: GOES-EAST. SEISMIC DETECTION. VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: OVSICORI-UNA RPRTS EM AT 06/2300Z OBS VA DTG: 06/0145Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL130 090/10-15KT FCST VA CLD +6HR: 06/0800Z FCST VA CLD +12HR: 06/1400Z FCST VA CLD +18HR: 06/2000Z RMK: T+0 CONFIDENCE LOW. OVSICORI-UNA RPRTS ERUPTION AT 06/2300Z. NOTHING IS SEEN IN STLT IMAGERY DUE TO CLD CVR BUT PSBL VA IS SEEN IN WEBCAM. MODEL WINDS SUG MOV TO THE W AT 10 KTS. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20170506/0815Z