FVXX21 KNES 170453 VA ADVISORY DTG: 20220517/0453Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/509 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT LGT VA EMS OBS VA DTG: 17/0420Z OBS VA CLD: SFC/FL210 S0156 W07846 - S0159 W07819 - S0204 W07846 - S0156 W07846 MOV W 20KT FCST VA CLD +6HR: 17/1030Z SFC/FL210 S0156 W07846 - S0159 W07819 - S0205 W07844 - S0156 W07846 FCST VA CLD +12HR: 17/1630Z NO VA EXP FCST VA CLD +18HR: 17/2230Z NO VA EXP RMK: CONT LGT 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 20220517/1100Z