FVXX20 KNES 170821 VA ADVISORY DTG: 20200717/0821Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/677 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 17/0800Z OBS VA CLD: SFC/FL220 S0153 W07859 - S0159 W07818 - S0207 W07859 - S0153 W07859 MOV W 10-15KT FCST VA CLD +6HR: 17/1400Z SFC/FL220 S0152 W07903 - S0159 W07819 - S0208 W07902 - S0152 W07903 FCST VA CLD +12HR: 17/2000Z NO VA EXP FCST VA CLD +18HR: 18/0200Z NO VA EXP RMK: CONT VA EMS OBS MOV W OF SUMMIT. VA EMS FCST TO CONT MOV W OF SUMMIT THRU T+6HRS BEFORE DISP. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20200717/1415Z