FVXX21 KNES 101731 VA ADVISORY DTG: 20211210/1731Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1136 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA EMS OBS OBS VA DTG: 10/1700Z OBS VA CLD: SFC/FL150 S0004 W07739 - S0006 W07739 - S0014 W07758 - S0004 W07800 - S0004 W07739 MOV W 10KT FCST VA CLD +6HR: 10/2300Z SFC/FL150 S0004 W07740 - S0007 W07737 - S0024 W07747 - S0017 W07757 - S0004 W07740 FCST VA CLD +12HR: 11/0500Z NO VA EXP FCST VA CLD +18HR: 11/1100Z NO VA EXP RMK: INTMT VA SEEN IN STLT BETWEEN WX CLDS. WEBCAM OBSC. VA FCST TO MOV SW THRU T+6 HRS BASED ON NWP MDLS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20211210/2330Z