FVXX21 KNES 101429 VA ADVISORY DTG: 20210310/1429Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/265 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EM OBS VA DTG: 10/1410Z OBS VA CLD: SFC/FL220 S0146 W07838 - S0153 W07823 - S0200 W07819 - S0202 W07819 - S0154 W07839 - S0146 W07838 MOV NW 5KT FCST VA CLD +6HR: 10/2000Z SFC/FL220 S0146 W07839 - S0159 W07819 - S0202 W07819 - S0158 W07839 - S0146 W07839 FCST VA CLD +12HR: 11/0200Z SFC/FL220 S0147 W07840 - S0159 W07820 - S0202 W07819 - S0202 W07840 - S0147 W07840 FCST VA CLD +18HR: 11/0800Z NO VA EXP RMK: VA SEEN IN STLT MOV NW AND EXTND APRX 25 NM FROM SUMMIT WITH DENS MET CLDS IN VCY. VA EM EXPECTED TO CONT THRU FCST PERIOD BASED ON RECENT ACT. ...VELASCO NXT ADVISORY: WILL BE ISSUED BY 20210310/2030Z