FVXX21 KNES 070439 VA ADVISORY DTG: 20210807/0439Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/611 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 07/0410Z OBS VA CLD: SFC/FL140 N0006 W07753 - S0004 W07739 - S0005 W07740 - N0001 W07755 - N0006 W07753 MOV NW 10KT FCST VA CLD +6HR: 07/1000Z SFC/FL140 N0007 W07752 - S0005 W07738 - S0005 W07740 - N0002 W07755 - N0007 W07752 FCST VA CLD +12HR: 07/1600Z NO VA EXP FCST VA CLD +18HR: 07/2200Z NO VA EXP RMK: VA NOT DETECTED ON STLT BUT WEBCAM SHOWS SUMMIT ACTV WITH OCNL VA EMS. NO CHG FCST IN FL WINDS NXT 6 HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20210807/1045Z