FVXX24 KNES 210823 VA ADVISORY DTG: 20201221/0823Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2020/1131 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 21/0800Z OBS VA CLD: SFC/FL160 N0002 W07753 - S0004 W07738 - S0005 W07740 - S0002 W07756 - N0002 W07753 MOV NW 5KT FCST VA CLD +6HR: 21/1400Z NO VA EXP FCST VA CLD +12HR: 21/2000Z NO VA EXP FCST VA CLD +18HR: 22/0200Z NO VA EXP RMK: VA NOT OBS IN SAT IMAGERY DUE TO WX CLD OBSCN. PSBL VA EMS CONTG. WEBCAM SHOWS INCANDESCENCE AT SUMMIT. OBS VA AREA ESTD FM NWP MDLS AND PREV VAA. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20201221/1430Z