FVXX21 KNES 120502 VA ADVISORY DTG: 20211212/0502Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1143 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 12/0440Z OBS VA CLD: SFC/FL150 N0002 W07745 - N0002 W07736 - S0004 W07738 - S0004 W07740 - N0002 W07745 MOV N 5KT FCST VA CLD +6HR: 12/1030Z NO VA EXP FCST VA CLD +12HR: 12/1630Z NO VA EXP FCST VA CLD +18HR: 12/2230Z NO VA EXP RMK: VA NOT OBS IN SAT DUE TO MET CLD OBSCN. GAS AND STEAM EMS OBS IN WEBCAM WITH PSBL VA MIXED IN. RECENT VONA INDICATED N-LY MVMT. NWP MDLS INDICATE LGT AND VRBL FL WINDS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211212/1100Z