FVXX20 KNES 050229 VA ADVISORY DTG: 20210905/0229Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/801 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA OBS IN STLT OBS VA DTG: 05/0140Z OBS VA CLD: SFC/FL190 S0149 W07838 - S0152 W07829 - S0158 W07832 - S0155 W07842 - S0149 W07838 MOV NW 20KT FCST VA CLD +6HR: 05/0730Z SFC/FL190 S0146 W07843 - S0159 W07819 - S0201 W07821 - S0153 W07847 - S0146 W07843 FCST VA CLD +12HR: 05/1330Z NO VA EXP FCST VA CLD +18HR: 05/1930Z NO VA EXP RMK: VA CLD SPOTTED IN G16 STLT IMAGERY APPROX. 20NM FM SUMMIT. VA FCST TO MOV WNW THRU T+6 HRS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20210905/0830Z