FVXX21 KNES 090923 VA ADVISORY DTG: 20210909/0923Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/754 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 09/0900Z OBS VA CLD: SFC/FL150 S0000 W07756 - S0003 W07740 - S0005 W07738 - S0008 W07757 - S0000 W07756 MOV W 10KT FCST VA CLD +6HR: 09/1500Z SFC/FL150 N0001 W07757 - S0003 W07738 - S0006 W07740 - S0008 W07758 - N0001 W07757 FCST VA CLD +12HR: 09/2100Z SFC/FL150 N0001 W07755 - S0004 W07739 - S0007 W07740 - S0008 W07758 - N0001 W07755 FCST VA CLD +18HR: 10/0300Z SFC/FL150 N0002 W07755 - S0003 W07738 - S0007 W07738 - S0007 W07757 - N0002 W07755 RMK: INTERMITTENT VA EMS NOTED IN VARIOUS STLT IMAGERY MODES AND IN WEB CAM. VA MOV TO W OF SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20210909/1530Z