FVXX22 KNES 190555 VA ADVISORY DTG: 20171219/0555Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/790 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: OCNL EMS OF VA OBS VA DTG: 19/0530Z OBS VA CLD: SFC/FL170 N0008 W07759 - S0002 W07739 - S0008 W07740 - S0002 W07805 - N0008 W07759 MOV W 15-20KT FCST VA CLD +6HR: 19/1130Z SFC/FL170 N0012 W07805 - S0003 W07737 - S0007 W07737 - S0004 W07811 - N0012 W07805 FCST VA CLD +12HR: 19/1730Z SFC/FL170 N0007 W07808 - S0001 W07739 - S0007 W07740 - S0007 W07813 - N0007 W07808 FCST VA CLD +18HR: 19/2330Z SFC/FL170 N0005 W07810 - S0001 W07738 - S0007 W07737 - S0009 W07814 - N0005 W07810 RMK: GOES-16 IMAGERY SHOWS OCNL EMS OF VA MOVING TOWARD THE WNW. WEBCAMERA CONFIRMS EMS. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20171219/1200Z