FVXX21 KNES 081229 VA ADVISORY DTG: 20210308/1229Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/257 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCNL VA EMS OBS VA DTG: 08/1200Z OBS VA CLD: SFC/FL210 S0159 W07912 - S0202 W07819 - S0216 W07911 - S0159 W07912 MOV W 20KT FCST VA CLD +6HR: 08/1800Z SFC/FL210 S0131 W07922 - S0202 W07819 - S0218 W07920 - S0131 W07922 FCST VA CLD +12HR: 09/0000Z NO VA EXP FCST VA CLD +18HR: 09/0600Z NO VA EXP RMK: OCNL VA EMS DETECTED FM STLT DATA MVG WSW TO AROUND 50NM FM SUMMIT BEFORE DISP. WINDS FCST TO VEER N BY T+6. FL AND WINDS DETERMINED FM NWP MDLS. ...MLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210308/1830Z