FVXX22 KNES 180813 VA ADVISORY DTG: 20171218/0813Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/786 INFO SOURCE: GUAYAQUIL MWO. NWP MODELS. NON-OPERATIONAL GOES-16 ERUPTION DETAILS: ONGOING EMS OBS VA DTG: 18/0745Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL170 090/15-20KT FCST VA CLD +6HR: 18/1400Z FCST VA CLD +12HR: 18/2000Z FCST VA CLD +18HR: 19/0200Z RMK: NO VA IS SEEN IN IMAGERY ALTHOUGH THERE IS EXTENSIVE WX CLOUDS PRESENT. EARLIER THIS EVENING VA WAS SEEN MOVING W. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20171218/1415Z