FVXX21 KNES 212349 VA ADVISORY DTG: 20210921/2349Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/806 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: INTMT VA CLDS OBS VA DTG: 21/2300Z OBS VA CLD: SFC/FL150 N0008 W07759 - S0002 W07740 - S0004 W07740 - S0002 W07802 - N0008 W07759 MOV W 10KT FCST VA CLD +6HR: 22/0500Z SFC/FL150 N0012 W07801 - S0002 W07739 - S0005 W07741 - N0002 W07805 - N0012 W07801 FCST VA CLD +12HR: 22/1100Z SFC/FL150 N0013 W07801 - S0002 W07739 - S0005 W07741 - N0002 W07807 - N0013 W07801 FCST VA CLD +18HR: 22/1700Z NO VA EXP RMK: VONA RPRTS VA CLD AT 2311Z TO 1KM ABV SUMMIT. SUMMIT OBSCD BY WX CLDS ON STLT AND WEBCAM. NWP MDL FCST LTLCG WINDS THRU T+12HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20210922/0545Z