FVXX21 KNES 091626 VA ADVISORY DTG: 20211209/1626Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1131 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA OBS OBS VA DTG: 09/1550Z OBS VA CLD: SFC/FL150 S0000 W07756 - S0003 W07739 - S0006 W07739 - S0008 W07756 - S0000 W07756 MOV W 10KT FCST VA CLD +6HR: 09/2200Z SFC/FL150 N0002 W07759 - S0004 W07739 - S0006 W07740 - S0010 W07759 - N0002 W07759 FCST VA CLD +12HR: 10/0400Z NO VA EXP FCST VA CLD +18HR: 10/1000Z NO VA EXP RMK: VA LIKELY MOVG W BUT STLT AND WEBCAM CURRENTLY OBSC BY WX CLDS. OLDER EMS WERE OBS IN STLT W OF SUMMIT. LTLCG IN FCST THRU T+6 HRS BASED ON NWP MDLS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20211209/2230Z