FVXX20 KNES 120453 VA ADVISORY DTG: 20161212/0453Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2016/454 INFO SOURCE: GOES-EAST. NAM WINDS. OVSICORI-UNA. ERUPTION DETAILS: ONGOING EMS OBS VA DTG: 12/0415Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL140 180/10KT FCST VA CLD +6HR: 12/1030Z FCST VA CLD +12HR: 12/1630Z FCST VA CLD +18HR: 12/2230Z RMK: T+0 CONFIDENCE IS LOW. NO VA IS SEEN IN IMAGERY ALTHOUGH THERE ARE EXTENSIVE WX CLOUDS IN THE AREA. OVSICORI-UNA REPORTS CONTINUING VA EMS. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20161212/1100Z