FVXX22 KNES 180422 VA ADVISORY DTG: 20211118/0422Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/995 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: PSBL LGT VA OBS OBS VA DTG: 18/0350Z OBS VA CLD: SFC/FL200 S0141 W07819 - S0146 W07807 - S0159 W07819 - S0141 W07819 MOV N 5KT FCST VA CLD +6HR: 18/1000Z SFC/FL200 S0137 W07825 - S0145 W07759 - S0159 W07819 - S0137 W07825 FCST VA CLD +12HR: 18/1600Z NO VA EXP FCST VA CLD +18HR: 18/2200Z NO VA EXP RMK: PSBL LGT VA EMS OBS MOV N IN STLT IMAGERY. PSBL VA FCST TO MOV N WITH LGT AND VRB WINDS THRU T+6HRS. VO ACT LOW TO MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20211118/1015Z