FVXX25 KNES 272253 VA ADVISORY DTG: 20210927/2253Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/839 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCNL EM OBS VA DTG: 27/2210Z OBS VA CLD: SFC/FL190 S0158 W07819 - S0203 W07819 - S0206 W07839 - S0200 W07840 - S0158 W07819 MOV W 20KT FCST VA CLD +6HR: 28/0400Z NO VA EXP FCST VA CLD +12HR: 28/1000Z NO VA EXP FCST VA CLD +18HR: 28/1600Z NO VA EXP RMK: VA NOT OBS FM STLT WITH WX CLD IN THE AREA. OBS VA BASED ON NWP MODELS WITH FAIR CONFIDENCE. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20210928/0500Z