FVXX20 KNES 280122 VA ADVISORY DTG: 20210128/0122Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/109 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCNL EM OBS VA DTG: 28/0100Z OBS VA CLD: SFC/FL190 S0158 W07837 - S0159 W07821 - S0204 W07820 - S0204 W07838 - S0158 W07837 MOV W 15KT FCST VA CLD +6HR: 28/0700Z SFC/FL190 S0156 W07820 - S0204 W07817 - S0207 W07901 - S0159 W07901 - S0156 W07820 FCST VA CLD +12HR: 28/1300Z NO VA EXP FCST VA CLD +18HR: 28/1900Z NO VA EXP RMK: PSBL VA EXT 18 NM W OF THE SUMMIT. LTLCG EXP THRU T+6 BASED ON NWP MODEL GUIDANCE. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20210128/0715Z