FVXX21 KNES 121044 VA ADVISORY DTG: 20211212/1044Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1144 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 12/1020Z OBS VA CLD: SFC/FL150 S0004 W07740 - S0006 W07731 - S0013 W07737 - S0004 W07740 - S0004 W07740 MOV SE 5KT FCST VA CLD +6HR: 12/1630Z NO VA EXP FCST VA CLD +12HR: 12/2230Z NO VA EXP FCST VA CLD +18HR: 13/0430Z NO VA EXP RMK: GAS AND STEAM EMS WITH PSBL VA OBS IN WEBCAM. MET CLDS OBSC SUMMIT IN SAT IMAGERY. OBS VA AREA AND MVMT ESTD FM NWP MDLS WITH LOW CONFIDENCE DUE TO LGT WINDS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211212/1645Z