FVXX22 KNES 190006 VA ADVISORY DTG: 20171219/0006Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/789 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 19/2345Z OBS VA CLD: SFC/FL170 N0035 W07808 - S0002 W07739 - S0005 W07740 - N0014 W07826 - N0035 W07808 MOV NW 15-20KT FCST VA CLD +6HR: 20/0600Z SFC/FL170 N0033 W07810 - S0002 W07739 - S0004 W07740 - N0011 W07828 - N0033 W07810 FCST VA CLD +12HR: 20/1200Z SFC/FL170 N0034 W07804 - S0001 W07739 - S0005 W07740 - N0015 W07820 - N0034 W07804 FCST VA CLD +18HR: 20/1800Z SFC/FL170 N0031 W07810 - S0002 W07740 - S0004 W07741 - N0008 W07826 - N0031 W07810 RMK: CONT VA EMS OBS MOV NW IN STLT IMAGERY. NWP GUIDANCE IS NOT IN FULL AGREEMENT WITH VA MOV. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20171219/0600Z