FVXX20 KNES 211656 VA ADVISORY DTG: 20221221/1656Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2022/1129 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS CONT OBS VA DTG: 21/1630Z OBS VA CLD: SFC/FL150 S0004 W07758 - S0004 W07740 - S0005 W07739 - S0009 W07757 - S0004 W07758 MOV W 5KT FCST VA CLD +6HR: 21/2230Z SFC/FL150 S0004 W07740 - S0005 W07739 - S0011 W07757 - S0005 W07758 - S0004 W07740 FCST VA CLD +12HR: 22/0430Z SFC/FL150 S0005 W07739 - S0005 W07740 - S0011 W07757 - S0006 W07758 - S0005 W07739 FCST VA CLD +18HR: 22/1030Z NO VA EXP RMK: INTMT VA PUFF DETECTED ON STLT MOVG W OF SUMMIT. WEBCAM SHOWS SUMMIT OBSC BY WX CLDS. MDL WINDS AT FL LTL CHG FCST NXT 12HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20221221/2300Z