FVXX21 KNES 102318 VA ADVISORY DTG: 20211210/2318Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1137 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: LKLY VA CLDS OBS VA DTG: 10/2240Z OBS VA CLD: SFC/FL150 S0004 W07740 - S0004 W07738 - S0010 W07752 - S0004 W07753 - S0004 W07740 MOV SW 5KT FCST VA CLD +6HR: 11/0430Z SFC/FL150 S0003 W07740 - S0004 W07739 - S0017 W07749 - S0011 W07754 - S0003 W07740 FCST VA CLD +12HR: 11/1030Z NO VA EXP FCST VA CLD +18HR: 11/1630Z NO VA EXP RMK: VA CLDS NOT OBSD IN SAT AND WEBCAM DUE TO DENSE MET CLDS. VA FL/DIR BASED ON PREV ADVY AND MDL GUIDANCE. MWP MDL FCST BACKING THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211211/0515Z