FVXX22 KNES 131521 VA ADVISORY DTG: 20171213/1521Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/765 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING EMS OBS VA DTG: 13/1445Z OBS VA CLD: SFC/FL140 S0005 W07733 - S0031 W07729 - S0031 W07745 - S0009 W07745 - S0005 W07733 MOV S 10-15KT FCST VA CLD +6HR: 13/2100Z SFC/FL140 S0007 W07744 - S0007 W07734 - S0047 W07725 - S0047 W07746 - S0007 W07744 FCST VA CLD +12HR: 14/0300Z SFC/FL140 S0007 W07741 - S0007 W07731 - S0047 W07735 - S0041 W07800 - S0007 W07741 FCST VA CLD +18HR: 14/0900Z SFC/FL140 S0003 W07740 - S0005 W07732 - S0049 W07738 - S0044 W07759 - S0003 W07740 RMK: IMAGERY SHOWS SIGNIFICANT PUFF OF VA MOVING S AT 10-15 KTS. THE LATEST EM OF VA REPORTED BY THE GUAYAQUIL WMO WAS AT 13/1045Z ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20171213/2115Z