FVXX24 KNES 120723 VA ADVISORY DTG: 20210412/0723Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/363 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 12/0700Z OBS VA CLD: SFC/FL210 S0200 W07819 - S0201 W07819 - S0209 W07836 - S0204 W07838 - S0200 W07819 MOV SW 10KT FCST VA CLD +6HR: 12/1300Z SFC/FL210 S0159 W07820 - S0200 W07819 - S0219 W07825 - S0215 W07832 - S0159 W07820 FCST VA CLD +12HR: 12/1900Z NO VA EXP FCST VA CLD +18HR: 13/0100Z NO VA EXP RMK: SUMMIT AREA OBSCD BY WX CLDS BUT VA OBS MOV WSW FM SUMMIT JUST PRIOR TO OBSCN IN PAST 2 HRS. OBS VA AREA ESTD FM THIS TIME. FL MVMT EXP TO TURN TO SSW THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210412/1330Z