FVXX21 KNES 200655 VA ADVISORY DTG: 20210920/0655Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/799 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTG FRQ VA EMS. OBS VA DTG: 20/0630Z OBS VA CLD: SFC/FL150 N0005 W07827 - S0002 W07738 - S0005 W07739 - S0004 W07828 - N0005 W07827 MOV W 15KT FCST VA CLD +6HR: 20/1230Z SFC/FL150 N0008 W07849 - S0003 W07739 - S0006 W07738 - S0004 W07850 - N0008 W07849 FCST VA CLD +12HR: 20/1830Z SFC/FL150 N0028 W07841 - S0002 W07738 - S0005 W07740 - N0014 W07844 - N0028 W07841 FCST VA CLD +18HR: 21/0030Z SFC/FL150 N0025 W07837 - S0002 W07738 - S0005 W07739 - N0014 W07843 - N0025 W07837 RMK: FRQ VA EMS OBS MOV W UP TO 50 NM FM SUMMIT. OBS VA FL ESTD FM NWP MDLS. FL MVMT FCST TO TURN TO NW BY T+12 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210920/1300Z