FVXX20 KNES 150657 VA ADVISORY DTG: 20180215/0657Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/072 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 15/0630Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL125 045/15-20KT FCST VA CLD +6HR: 15/1230Z FCST VA CLD +12HR: 15/1830Z FCST VA CLD +18HR: 16/0030Z RMK: RECENT ACT SUGGESTS POSSIBLE ONGOING VA EMS. VA CANNOT BE SEEN IN WEBCAM OR STLT IMAGERY DUE TO DARKNESS AND WX CLD. NWP MDLS SUGGEST VA MOV TO SW OF SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20180215/1300Z