FVXX20 KNES 251343 VA ADVISORY DTG: 20210725/1343Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/719 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT PSBL VA EMS OBS VA DTG: 25/1320Z OBS VA CLD: SFC/FL200 S0155 W07852 - S0159 W07820 - S0210 W07850 - S0155 W07852 MOV W 15KT FCST VA CLD +6HR: 25/1930Z SFC/FL200 S0156 W07853 - S0159 W07819 - S0214 W07849 - S0156 W07853 FCST VA CLD +12HR: 26/0130Z NO VA EXP FCST VA CLD +18HR: 26/0730Z NO VA EXP RMK: CONT PSBL VA EMS MOV W FM SUMMIT THRU T+6HRS. VA NOT OBS DUE TO WX CLDS. VO ACT LOW TO MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210725/1945Z