FVXX21 KNES 160738 VA ADVISORY DTG: 20200816/0738Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/768 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: CONTG CONTUS VA EM. OBS VA DTG: 16/0710Z OBS VA CLD: SFC/FL200 S0158 W07820 - S0202 W07819 - S0220 W08025 - S0159 W08025 - S0158 W07820 MOV W 25-30KT FCST VA CLD +6HR: 16/1300Z SFC/FL200 S0159 W07820 - S0202 W07819 - S0225 W08058 - S0159 W08056 - S0159 W07820 FCST VA CLD +12HR: 16/1900Z SFC/FL200 S0158 W07820 - S0203 W07818 - S0227 W08106 - S0159 W08104 - S0158 W07820 FCST VA CLD +18HR: 17/0100Z NO VA EXP RMK: VA PLUME EXT AT LEAST 125 NM W FM SUMMIT. VA CLD IS CONTUS FM SUMMIT TO FURTHEST EXTENT. FL WINDS EXP TO PERSIST THRU T+12. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20200816/1345Z