FVXX23 KNES 100118 VA ADVISORY DTG: 20211010/0118Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/877 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONS VA EMS OBSD OBS VA DTG: 10/0050Z OBS VA CLD: SFC/FL220 S0145 W07842 - S0159 W07819 - S0201 W07821 - S0150 W07844 - S0145 W07842 MOV NW 15KT FCST VA CLD +6HR: 10/0700Z SFC/FL220 S0143 W07841 - S0159 W07819 - S0201 W07820 - S0150 W07846 - S0143 W07841 FCST VA CLD +12HR: 10/1300Z SFC/FL220 S0147 W07845 - S0159 W07819 - S0200 W07819 - S0154 W07846 - S0147 W07845 FCST VA CLD +18HR: 10/1900Z NO VA EXP RMK: CONS VA EMS OBSD IN STLT EXT ABT 25 NM WNW OF SUMMIT. FL BASED ON NWP MDL GUIDANCE. NWP MDL FCST LTLCG THRU T+12HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211010/0715Z