FVXX22 KNES 250058 VA ADVISORY DTG: 20171225/0058Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/809 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING EMS OBS VA DTG: 25/0030Z OBS VA CLD: SFC/FL140 N0018 W07758 - S0004 W07738 - S0007 W07739 - N0012 W07805 - N0018 W07758 MOV NW 10-15KT FCST VA CLD +6HR: 25/0630Z SFC/FL140 N0020 W07758 - S0003 W07738 - S0007 W07739 - N0012 W07805 - N0020 W07758 FCST VA CLD +12HR: 25/1230Z NO ASH EXP FCST VA CLD +18HR: 25/1830Z NO ASH EXP RMK: IMAGERY NOW SHOWS SEVERAL EMS MOVING UP TO 20 NMI NW OF THE SUMMIT. WEBCAMERA CONFIRMS EMS. 6 HR FORCAST BASED ON CONTINUITY AS MODEL WINDS ARE INCONSISTENT. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20171225/0700Z