FVXX21 KNES 202346 VA ADVISORY DTG: 20250520/2346Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2025/275 INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 20/2320Z OBS VA CLD: SFC/FL200 S0143 W07904 - S0200 W07820 - S0153 W07909 - S0143 W07904 MOV W 20KT FCST VA CLD +6HR: 21/0530Z SFC/FL200 S0139 W07905 - S0200 W07820 - S0152 W07910 - S0139 W07905 FCST VA CLD +12HR: 21/1130Z SFC/FL200 S0137 W07903 - S0200 W07820 - S0150 W07909 - S0137 W07903 FCST VA CLD +18HR: 21/1730Z NO VA EXP RMK: CONT VA EMS OBS MOV WNW IN STLT IMAGERY. VA FCST TO CONT NW MOV THRU T+18HRS BEFORE DISP. VO ACT LOW. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20250521/0545Z