FVXX23 KNES 282050 VA ADVISORY DTG: 20230728/2050Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/528 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 28/2010Z OBS VA CLD: SFC/FL190 S0159 W07820 - S0208 W07838 - S0201 W07840 - S0159 W07820 MOV SW 10KT FCST VA CLD +6HR: 29/0200Z SFC/FL190 S0200 W07820 - S0208 W07839 - S0201 W07840 - S0200 W07820 FCST VA CLD +12HR: 29/0800Z NO VA EXP FCST VA CLD +18HR: 29/1400Z NO VA EXP RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA FCST TO CONT W MOV THRU T+6HRS BEFORE DISP. VO ACT LOW. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20230729/0245Z