FVXX21 KNES 151208 VA ADVISORY DTG: 20180115/1208Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/055 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 15/1145Z OBS VA CLD: SFC/FL150 N0013 W07807 - S0003 W07740 - S0006 W07740 - S0003 W07811 - N0013 W07807 MOV NW 5KT FCST VA CLD +6HR: 15/1800Z SFC/FL150 N0010 W07808 - S0003 W07739 - S0005 W07738 - S0005 W07811 - N0010 W07808 FCST VA CLD +12HR: 16/0000Z SFC/FL150 NO ASH EXP FCST VA CLD +18HR: 16/0600Z NO ASH EXP RMK: POSS VA EMS. FORECAST BASED OFF CONTINUINITY AND NWP MODEL GUIDANCE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20180115/1815Z