FVXX20 KNES 200103 VA ADVISORY DTG: 20170520/0103Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1002 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/157 INFO SOURCE: GOES-EAST. GFS WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 20/0015Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL160 270/0-5KT FCST VA CLD +6HR: 20/0630Z FCST VA CLD +12HR: 20/1230Z FCST VA CLD +18HR: 20/1830Z RMK: T+0 CONFIDENCE LOW. ONGOING VA EMS OBS IN VO WEBCAM. GFS HAS VARIANCE IN WIND DIRECTION AND VELOCITY. WINDS CURRENTLY OUT OF THE W. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20170520/0700Z