FVXX21 KNES 110504 VA ADVISORY DTG: 20211211/0504Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1138 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 11/0440Z OBS VA CLD: SFC/FL150 S0003 W07740 - S0004 W07739 - S0022 W07747 - S0017 W07756 - S0003 W07740 MOV SW 5KT FCST VA CLD +6HR: 11/1030Z NO VA EXP FCST VA CLD +12HR: 11/1630Z NO VA EXP FCST VA CLD +18HR: 11/2230Z NO VA EXP RMK: VA NOT OBS IN SAT DUE TO MET CLD OBSCN. CONTG VA EMS PSBLY OBS IN WEBCAM BUT THIS IS UNCERTAIN. OBS VA AREA ESTD FM NWP MDLS WITH LOWER CONFIDENCE. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211211/1100Z