FVXX21 KNES 291207 VA ADVISORY DTG: 20171229/1207Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/821 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EM OBS VA DTG: 29/1145Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL140 090/5KT FCST VA CLD +6HR: 29/1800Z FCST VA CLD +12HR: 30/0000Z FCST VA CLD +18HR: 30/0600Z RMK: NEW VA EM SEEN IN WEB CAM AND RPRTD BY MWO. NOT DETECTED IN STLT DUE TO MET CLDS. DISCRETE VA EM MOV WSW ACCORDING TO MODELS AND MET CLD MVMT. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20171229/1800Z