FVXX21 KNES 210336 VA ADVISORY DTG: 20210821/0336Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/670 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: FQT EM OBS VA DTG: 21/0310Z OBS VA CLD: SFC/FL150 N0005 W07800 - S0004 W07740 - S0005 W07740 - N0000 W07802 - N0005 W07800 MOV NW 10KT FCST VA CLD +6HR: 21/0900Z SFC/FL150 N0005 W07800 - S0003 W07739 - S0006 W07740 - N0001 W07802 - N0005 W07800 FCST VA CLD +12HR: 21/1500Z SFC/FL150 N0006 W07800 - S0004 W07738 - S0005 W07740 - N0001 W07802 - N0006 W07800 FCST VA CLD +18HR: 21/2100Z SFC/FL150 N0007 W07759 - S0002 W07738 - S0005 W07740 - N0004 W07801 - N0007 W07759 RMK: VA EXT 20 NM NW OF THE SUMMIT. LTLCG EXP BASED ON NWP MODELS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20210821/0930Z