FVXX23 KNES 050424 VA ADVISORY DTG: 20211005/0424Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2021/859 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 05/0400Z OBS VA CLD: SFC/FL190 S0159 W07820 - S0200 W07819 - S0214 W07837 - S0208 W07841 - S0159 W07820 MOV SW 30KT FCST VA CLD +6HR: 05/1000Z NO VA EXP FCST VA CLD +12HR: 05/1600Z NO VA EXP FCST VA CLD +18HR: 05/2200Z NO VA EXP RMK: VA NOT OBS IN SAT DUE TO MET CLD OBSCN. CONTG VA EMS PSBL BASED ON RECENT ACT. OBS VA AREA ESTD FM NWP MDLS AND PREV VAA. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211005/1030Z