FVXX21 KNES 141422 VA ADVISORY DTG: 20170514/1422Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/144 INFO SOURCE: GOES-EAST. GFS WINDS. VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 14/1345Z OBS VA CLD: SFC/FL130 N1053 W08337 - N1046 W08320 - N1002 W08344 - N1004 W08347 - N1053 W08337 MOV 225 5-10KT FCST VA CLD +6HR: 14/2000Z SFC/FL130 NO ASH EXP FCST VA CLD +12HR: 15/0200Z NO ASH EXP FCST VA CLD +18HR: 15/0800Z NO ASH EXP RMK: T+0 CONFIDENCE HIGH. OVSICORI-UNA RPTS ONGOING ERUPTION. MOSTLY GAS AND VAPOR WITH SOME VA SEEN IN WEB CAM AND STLT IMAGERY EXTENDING NNE TO 50 NM FROM SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20170514/2015Z