FVXX21 KNES 270423 VA ADVISORY DTG: 20210927/0423Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/824 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 27/0350Z OBS VA CLD: SFC/FL150 N0002 W07756 - S0004 W07740 - S0005 W07739 - S0007 W07757 - N0002 W07756 MOV W 15KT FCST VA CLD +6HR: 27/1000Z SFC/FL150 N0004 W07753 - S0004 W07740 - S0005 W07740 - S0005 W07756 - N0004 W07753 FCST VA CLD +12HR: 27/1600Z SFC/FL150 N0005 W07753 - S0004 W07739 - S0005 W07740 - S0002 W07756 - N0005 W07753 FCST VA CLD +18HR: 27/2200Z SFC/FL150 N0005 W07754 - S0004 W07738 - S0005 W07739 - S0001 W07758 - N0005 W07754 RMK: INTERMITTENT VA EMS NOTED IN IR STLT IMAGERY. NOTHING SEEN IN WEB CAM OVER LAST HOUR, HOWEVER. VA MOV TO W AND WNW OF SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20210927/1030Z