FVXX20 KNES 290817 VA ADVISORY DTG: 20201229/0817Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/1270 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 29/0750Z OBS VA CLD: SFC/FL200 S0159 W07819 - S0222 W07812 - S0222 W07825 - S0159 W07820 - S0159 W07819 MOV S 10KT FCST VA CLD +6HR: 29/1400Z SFC/FL200 S0159 W07818 - S0230 W07820 - S0226 W07833 - S0159 W07820 - S0159 W07818 FCST VA CLD +12HR: 29/2000Z NO VA EXP FCST VA CLD +18HR: 30/0200Z NO VA EXP RMK: VA CLD OBS EXT UP TO 25 NM S FM SUMMIT. FL WINDS EXP TO VEER SLIGHTLY THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20201229/1415Z