FVXX20 KNES 120537 VA ADVISORY DTG: 20170812/0537Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/278 INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EM CONT OBS VA DTG: 12/0515Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL140 090/10KT FCST VA CLD +6HR: 12/1130Z FCST VA CLD +12HR: 12/1730Z FCST VA CLD +18HR: 12/2330Z RMK: DISCREET VA EM SEEN FROM SUMMIT VIA WEBCAM. VA EM NOT SEEN IN STLT IMAGERY DUE TO MET CLDS. MODELS AND MET CLD MOVEMENT SUGGEST EM MOV WSW. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20170812/1130Z