FVXX21 KNES 212150 VA ADVISORY DTG: 20170721/2150Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/204 INFO SOURCE: GOES-EAST. EXPERIMENTAL GOES-16. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING EM OBS VA DTG: 21/2130Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL120 090/10KT FCST VA CLD +6HR: 22/0330Z FCST VA CLD +12HR: 22/0930Z FCST VA CLD +18HR: 22/1530Z RMK: WEBCAM SHOWS MAINLY STEAM/GAS BUT OCNL VA CAN BE SEEN. MODELS SUGGESTS MOV TO W ARND 10 KTS AT FL120. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20170722/0345Z