FVXX21 KNES 240149 VA ADVISORY DTG: 20170924/0149Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2017/253 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING ACT OBS VA DTG: 24/0115Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL120 180/5KT FCST VA CLD +6HR: 24/0730Z FCST VA CLD +12HR: 24/1330Z FCST VA CLD +18HR: 24/1930Z RMK: VA CANNOT BE SEEN IN STLT IMAGERY DUE TO CLD CVR. MODELS SHOW LIGHT AND VARIABLE WINDS AT FL120. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20170924/0745Z