FVXX20 KNES 251259 VA ADVISORY DTG: 20210425/1259Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/414 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: LGT VA OBS OBS VA DTG: 25/1240Z OBS VA CLD: SFC/FL190 S0159 W07819 - S0213 W07841 - S0159 W07845 - S0159 W07819 MOV SW 10KT FCST VA CLD +6HR: 25/1830Z NO VA EXP FCST VA CLD +12HR: 26/0030Z NO VA EXP FCST VA CLD +18HR: 26/0630Z NO VA EXP RMK: LGT VA EMS OBS MOV W TO WSW FM SUMMIT. VA EMS FCST TO DISP W OF SUMMIT THRU T+6HRS. CURRENT VO ACT LOW. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210425/1900Z