FVXX21 KNES 252320 VA ADVISORY DTG: 20211025/2320Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/946 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS PSBL OBS VA DTG: 25/2240Z OBS VA CLD: SFC/FL150 S0003 W07752 - S0004 W07740 - S0006 W07739 - S0013 W07751 - S0003 W07752 MOV W 5KT FCST VA CLD +6HR: 26/0430Z SFC/FL150 S0004 W07739 - S0006 W07739 - S0021 W07751 - S0010 W07802 - S0004 W07739 FCST VA CLD +12HR: 26/1030Z NO VA EXP FCST VA CLD +18HR: 26/1630Z NO VA EXP RMK: ONGOING VA EMS ARE PSBL BUT DENSE WX CLDS OBSC BOTH STLT IMAGERY AND WEBCAM. VA FCST TO MOV SW THRU T+6 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20211026/0515Z