FVXX21 KNES 200445 VA ADVISORY DTG: 20210820/0445Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/665 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: FQT EM OBS VA DTG: 20/0420Z OBS VA CLD: SFC/FL160 S0002 W07740 - S0007 W07740 - S0007 W07747 - S0002 W07747 - S0002 W07740 MOV W 5KT FCST VA CLD +6HR: 20/1030Z SFC/FL160 S0002 W07739 - S0007 W07739 - S0009 W07800 - S0002 W07801 - S0002 W07739 FCST VA CLD +12HR: 20/1630Z SFC/FL160 N0010 W07801 - S0004 W07739 - S0008 W07740 - N0003 W07807 - N0010 W07801 FCST VA CLD +18HR: 20/2230Z SFC/FL160 N0000 W07802 - S0002 W07740 - S0007 W07738 - S0006 W07802 - N0000 W07802 RMK: VA EXT 6 NM W OF THE SUMMIT. LTLCG EXP THRU T+6 BASED ON NWP MODELS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20210820/1045Z