FVXX21 KNES 152227 VA ADVISORY DTG: 20230715/2227Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/501 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 15/2150Z OBS VA CLD: SFC/FL200 S0157 W07854 - S0200 W07820 - S0205 W07853 - S0157 W07854 MOV W 20KT FCST VA CLD +6HR: 16/0400Z SFC/FL200 S0156 W07905 - S0200 W07820 - S0208 W07904 - S0156 W07905 FCST VA CLD +12HR: 16/1000Z SFC/FL200 S0154 W07924 - S0200 W07820 - S0210 W07919 - S0154 W07924 FCST VA CLD +18HR: 16/1600Z NO VA EXP RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA FCST TO CONT W MOV THRU T+12 HRS BEFORE DISP. VO ACT LOW TO MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20230716/0430Z