FVXX21 KNES 270046 VA ADVISORY DTG: 20211127/0046Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1075 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA MOVG W IN STLT OBS VA DTG: 27/0010Z OBS VA CLD: SFC/FL150 S0002 W07758 - S0002 W07740 - S0006 W07740 - S0008 W07759 - S0002 W07758 MOV W 10KT FCST VA CLD +6HR: 27/0600Z SFC/FL150 N0004 W07800 - S0003 W07739 - S0007 W07740 - S0008 W07805 - N0004 W07800 FCST VA CLD +12HR: 27/1200Z SFC/FL150 N0007 W07759 - S0003 W07739 - S0006 W07740 - S0004 W07804 - N0007 W07759 FCST VA CLD +18HR: 27/1800Z SFC/FL150 N0009 W07757 - S0003 W07740 - S0007 W07740 - S0000 W07802 - N0009 W07757 RMK: VA EMS OBS APPRX 20NM DUE W OF SUMMIT IN STLT IMAGERY. OCNL EMS SEEN IN WEBCAM. VA FCST THRU T+18 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20211127/0645Z