FVXX21 KNES 171858 VA ADVISORY DTG: 20200817/1858Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/774 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EMS HAS DISP OBS VA DTG: 21/1857Z OBS VA CLD: NO VA EXP FCST VA CLD +6HR: 22/0100Z NO VA EXP FCST VA CLD +12HR: 22/0700Z NO VA EXP FCST VA CLD +18HR: 22/1300Z NO VA EXP RMK: VA EMS HAS DISP IN STLT IMAGERY. NO NEW EMS OBS. NO RPRTS OF NEW EMS. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20200818/0100Z