FVXX21 KNES 121522 VA ADVISORY DTG: 20170512/1522Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA.RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/137 INFO SOURCE: GOES-EAST. GFS WINDS. VOLCANO WEB CAMERA. OVSICORI-UNA. GOES-16 ERUPTION DETAILS: ERUPTION STARTING AT 12/1500Z OBS VA DTG: 12/1445Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL150 070/10KT FCST VA CLD +6HR: 12/2100Z FCST VA CLD +12HR: 13/0300Z FCST VA CLD +18HR: 13/0900Z RMK: T+0 CONFIDENCE LOW. VO RPRT ERUPTION STARTING AT 1500Z, WHICH IS CONFIRMED BY WEBCAM TO BE ONGOING ATTM. VA NOT SEEN IN STLT IMAGERY DUE TO EXTENSIVE WX CLD. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20170512/2115Z