FVXX21 KNES 310606 VA ADVISORY DTG: 20161231/0606Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2016/503 INFO SOURCE: GOES-EAST. GFS WINDS. OVSICORI-UNA. ERUPTION DETAILS: CONS EM OBS VA DTG: 31/0515Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL130 045/15-20KT FCST VA CLD +6HR: 31/1130Z FCST VA CLD +12HR: 31/1730Z FCST VA CLD +18HR: 31/2330Z RMK: T+0 CONFIDENCE LOW. VA NOT SEEN IN STLT IMAGERY DUE TO WX CLD. VO RPRT AN ERUPTION OCCURRED WITHIN THE LAST 6 HRS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20161231/1200Z