FVXX20 KNES 042230 VA ADVISORY DTG: 20191204/2230Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/1351 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL EM OBS VA DTG: 04/2150Z OBS VA CLD: SFC/FL150 S0001 W07749 - S0004 W07739 - S0005 W07739 - S0008 W07749 - S0001 W07749 MOV W 5KT FCST VA CLD +6HR: 05/0400Z SFC/FL150 S0001 W07749 - S0003 W07739 - S0005 W07740 - S0008 W07750 - S0001 W07749 FCST VA CLD +12HR: 05/1000Z SFC/FL150 NO ASH EXP FCST VA CLD +18HR: 05/1600Z NO ASH EXP RMK: OCNL VA EM OBS IN STLT EXT 8 NM W OF SUMMIT. NWP MODELS IN POOR AGREEMENT WITH CURRENT AND T+6 FCST MVMT. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20191205/0430Z