FVXX20 KNES 021418 VA ADVISORY DTG: 20181202/1418Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2018/1148 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. VOLCANO WEB CAMERA. CIMSS VOLCAT. ERUPTION DETAILS: RPRT OF VA EMS OBS VA DTG: 02/1345Z OBS VA CLD: SFC/FL150 S0003 W07739 - S0015 W07750 - S0004 W07757 - S0003 W07739 MOV W 5KT FCST VA CLD +6HR: 02/2000Z SFC/FL150 NO ASH EXP FCST VA CLD +12HR: 03/0200Z NO ASH EXP FCST VA CLD +18HR: 03/0800Z NO ASH EXP RMK: RPRT OF VA EMS CONFIRMED IN STLT IMAGERY. VA OBS MOV TO APPROX 25NM WSW OF SUMMIT. VA SIGNATURE HAS BECOME MORE DISP IN STLT IMAGERY WITH TIME. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20181202/2015Z