FVXX20 KNES 120224 VA ADVISORY DTG: 20210912/0224Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/820 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OBS VA DTG: 11/0150Z OBS VA CLD: SFC/FL200 S0156 W07852 - S0159 W07819 - S0201 W07819 - S0205 W07852 - S0156 W07852 MOV W 30KT FCST VA CLD +6HR: 11/0800Z SFC/FL200 S0156 W07852 - S0159 W07819 - S0201 W07819 - S0205 W07852 - S0156 W07852 FCST VA CLD +12HR: 11/1400Z NO VA EXP FCST VA CLD +18HR: 11/2000Z NO VA EXP RMK: POSS LGT VA CLDS OBS MOV W OF SUMMIT WITH HIGH WINDS. FL AND MVMT BASED ON NWP MODEL GDNC WINDS. ...JLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210912/0830Z