FVXX23 KNES 141454 VA ADVISORY DTG: 20211014/1454Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/893 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS PSBL OBS VA DTG: 14/1410Z OBS VA CLD: SFC/FL210 S0158 W07819 - S0222 W07919 - S0202 W07925 - S0158 W07819 MOV SW 10KT FCST VA CLD +6HR: 14/2000Z SFC/FL210 S0158 W07819 - S0217 W07922 - S0158 W07923 - S0158 W07819 FCST VA CLD +12HR: 15/0200Z SFC/FL210 S0153 W07926 - S0158 W07819 - S0214 W07925 - S0153 W07926 FCST VA CLD +18HR: 15/0800Z NO VA EXP RMK: CONT VA EMS PSBL. VA NOT OBS DUE TO WX CLDS. VA FCST TO MOV WSW THRU T+12HRS. FCST BASED ON CONTINUITY. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20211014/2100Z