FVXX24 KNES 080040 VA ADVISORY DTG: 20230908/0040Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/637 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 08/0010Z OBS VA CLD: SFC/FL220 S0156 W07839 - S0159 W07820 - S0205 W07838 - S0156 W07839 MOV W 10KT FCST VA CLD +6HR: 08/0600Z SFC/FL220 S0156 W07839 - S0200 W07820 - S0205 W07838 - S0156 W07839 FCST VA CLD +12HR: 08/1200Z SFC/FL220 S0156 W07840 - S0200 W07820 - S0205 W07838 - S0156 W07840 FCST VA CLD +18HR: 08/1800Z NO VA EXP RMK: CONT VA EMS OBS IN STLT IMAGERY MOV W IN STLT IMAGERY. VA FCST TO CONT W MOV THRU T+12HRS BEFORE DISP. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20230908/0645Z