FVXX21 KNES 150628 VA ADVISORY DTG: 20180115/0628Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/054 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: POSS VA SIGNATURE OBS OBS VA DTG: 15/0600Z OBS VA CLD: SFC/FL150 N0031 W07805 - S0004 W07738 - S0005 W07740 - N0013 W07821 - N0031 W07805 MOV NW 5KT FCST VA CLD +6HR: 15/1200Z SFC/FL150 N0021 W07816 - S0004 W07738 - S0006 W07740 - N0001 W07823 - N0021 W07816 FCST VA CLD +12HR: 15/1800Z SFC/FL150 N0020 W07818 - S0004 W07739 - S0006 W07738 - S0002 W07823 - N0020 W07818 FCST VA CLD +18HR: 16/0000Z SFC/FL N0019 W07820 - S0003 W07740 - S0006 W07740 - S0004 W07825 - N0019 W07820 RMK: POSS VA SIGNATURE OBS MOV NW IN STLT IMAGERY. +18 FORECAST BASED OFFCONTINUINTY AND NWP MODEL. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20180115/1230Z