FVXX21 KNES 011240 VA ADVISORY DTG: 20210901/1240Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/721 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS SEEN IN WEBCAM AND STLT OBS VA DTG: 01/1210Z OBS VA CLD: SFC/FL150 N0003 W07744 - S0003 W07740 - S0005 W07741 - S0001 W07749 - N0003 W07744 MOV NW 15KT FCST VA CLD +6HR: 01/1800Z SFC/FL150 N0005 W07747 - S0004 W07739 - S0006 W07740 - S0002 W07753 - N0005 W07747 FCST VA CLD +12HR: 02/0000Z SFC/FL150 N0007 W07747 - S0003 W07739 - S0005 W07740 - S0001 W07754 - N0007 W07747 FCST VA CLD +18HR: 02/0600Z SFC/FL150 N0003 W07744 - S0004 W07738 - S0006 W07740 - S0002 W07750 - N0003 W07744 RMK: VA CLD RPRTD IN VONA, VIS IN WEBCAM AND G16 STLT IMAGERY. VA DIR BASED ON STLT IMAGERY. VA FCST TO MOV NW THRU T+18 HRS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20210901/1845Z