FVXX20 KNES 180821 VA ADVISORY DTG: 20170818/0821Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/306 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: OCNL EM OBS VA DTG: 18/0745Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL140 090/10KT FCST VA CLD +6HR: 18/1400Z FCST VA CLD +12HR: 18/2000Z FCST VA CLD +18HR: 19/0200Z RMK: VA NOT SEEN IN STLT IMAGERY DUE TO WX CLD. WEB CAM SUGGESTS OCNL EM CONT. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20170818/1415Z