FVXX21 KNES 150915 VA ADVISORY DTG: 20210815/0915Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/643 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 15/0850Z OBS VA CLD: SFC/FL150 N0007 W07756 - S0004 W07738 - S0006 W07739 - S0003 W07758 - N0007 W07756 MOV W 10KT FCST VA CLD +6HR: 15/1500Z SFC/FL150 N0007 W07758 - S0003 W07738 - S0007 W07740 - S0007 W07800 - N0007 W07758 FCST VA CLD +12HR: 15/2100Z NO VA EXP FCST VA CLD +18HR: 16/0300Z NO VA EXP RMK: INTERMITTENT VA EMS NOTED IN WEB CAM AND IN VOLCAT PROD. VA MOV TO WNW OF SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20210815/1515Z