FVXX21 KNES 300315 VA ADVISORY DTG: 20171230/0315Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/825 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA OBS IN STLT IMAGERY OBS VA DTG: 30/0245Z OBS VA CLD: SFC/FL140 S0004 W07740 - S0005 W07739 - S0043 W07812 - S0022 W07829 - S0004 W07740 MOV SW 10KT FCST VA CLD +6HR: 30/0900Z SFC/FL140 S0003 W07740 - S0004 W07740 - S0040 W07816 - S0016 W07830 - S0003 W07740 FCST VA CLD +12HR: 30/1500Z SFC/FL140 S0002 W07829 - S0003 W07740 - S0005 W07739 - S0029 W07826 - S0002 W07829 FCST VA CLD +18HR: 30/2100Z SFC/FL140 N0002 W07827 - S0004 W07740 - S0005 W07740 - S0026 W07828 - N0002 W07827 RMK: VA OBS IN STLT IMAGERY MOV SW. FORCAST BASED ON NWP GUIDANCE THROUGH +18. MODELS SHOW CONSISTENCY WITH VA MOV. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20171230/0915Z