FVXX21 KNES 100744 VA ADVISORY DTG: 20210910/0744Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/758 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EM OBS VA DTG: 10/0710Z OBS VA CLD: SFC/FL150 N0001 W07759 - S0004 W07739 - S0005 W07740 - S0004 W07759 - N0001 W07759 MOV W 10KT FCST VA CLD +6HR: 10/1300Z SFC/FL150 N0003 W07758 - S0004 W07740 - S0005 W07740 - S0002 W07759 - N0003 W07758 FCST VA CLD +12HR: 10/1900Z NO VA EXP FCST VA CLD +18HR: 11/0100Z NO VA EXP RMK: DISCRETE VA EM POSSIBLE BASED ON RECENT ACT. WEB CAM SHOWS OCNL EXPLOSIONS AT SUMMIT. VA EM NOT SEEN IN STLT DUE TO DENS MET CLDS. VA EXPECTED TO EXTND APRX 20 NM W OF SUMMIT BASED ON TYPICAL ACT. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20210910/1345Z