FVXX21 KNES 311158 VA ADVISORY DTG: 20171231/1158Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/832 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: NEW EMS AT 31/1102Z OBS VA DTG: 31/1130Z OBS VA CLD: SFC/FL140 S0005 W07741 - S0005 W07738 - S0011 W07738 - S0011 W07743 - S0005 W07741 MOV S 5-10KT FCST VA CLD +6HR: 31/1730Z SFC/FL140 NO ASH EXP FCST VA CLD +12HR: 31/2330Z NO ASH EXP FCST VA CLD +18HR: 01/0530Z NO ASH EXP RMK: SMALL EM OBSERVED IN IMAGERY MOVING S. DISSIPATION EXPECTED SHORTLY BUT ADDITIONAL EMS POSSIBLE. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20171231/1800Z