FVXX23 KNES 211546 VA ADVISORY DTG: 20211221/1546Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1165 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA PSBL OBS VA DTG: 21/1510Z OBS VA CLD: SFC/FL150 S0004 W07740 - S0024 W07747 - S0017 W07759 - S0004 W07740 MOV SW 5KT FCST VA CLD +6HR: 21/2100Z SFC/FL150 S0004 W07739 - S0024 W07747 - S0017 W07759 - S0004 W07739 FCST VA CLD +12HR: 22/0300Z NO VA EXP FCST VA CLD +18HR: 22/0900Z NO VA EXP RMK: CONT VA PSBL. LAST VA EMS OBS AT 21/1230Z MOV SW FM THE SUMMIT. CONT VA EMS PSBL. CURRENT VO ACT LOW. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20211221/2145Z