FVXX21 KNES 141647 VA ADVISORY DTG: 20210914/1647Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/773 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: FQT EM OBS VA DTG: 14/1600Z OBS VA CLD: SFC/FL150 N0005 W07759 - S0003 W07740 - S0008 W07742 - N0000 W07803 - N0005 W07759 MOV NW 15KT FCST VA CLD +6HR: 14/2200Z SFC/FL150 N0011 W07807 - S0002 W07740 - S0008 W07741 - N0004 W07812 - N0011 W07807 FCST VA CLD +12HR: 15/0400Z SFC/FL150 N0011 W07807 - S0002 W07738 - S0008 W07741 - N0003 W07811 - N0011 W07807 FCST VA CLD +18HR: 15/1000Z SFC/FL150 N0011 W07807 - S0002 W07738 - S0008 W07741 - N0002 W07811 - N0011 W07807 RMK: VA EXT 21 NM NW OF THE SUMMIT. LTLCG EXP BASED ON NWP MODELS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20210914/2245Z