FVXX20 KNES 311639 VA ADVISORY DTG: 20191231/1639Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/1450 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: OCNL VA EM OBS VA DTG: 31/1610Z OBS VA CLD: SFC/FL180 S0003 W07747 - S0004 W07740 - S0004 W07740 - S0006 W07747 - S0003 W07747 MOV W 5-10KT FCST VA CLD +6HR: 31/2200Z SFC/FL180 NO ASH EXP FCST VA CLD +12HR: 01/0400Z NO ASH EXP FCST VA CLD +18HR: 01/1000Z NO ASH EXP RMK: OCNL LGT VA OBS IN STLT EXT 6 NM W OF SUMMIT. VA EXP TO DISP BY T+06. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20191231/2245Z