FVXX21 KNES 040709 VA ADVISORY DTG: 20230804/0709Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/546 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 04/0650Z OBS VA CLD: SFC/FL200 S0158 W07821 - S0159 W07819 - S0222 W07819 - S0216 W07835 - S0158 W07821 MOV S 10KT FCST VA CLD +6HR: 04/1300Z SFC/FL200 S0158 W07820 - S0234 W07803 - S0237 W07823 - S0158 W07822 - S0158 W07820 FCST VA CLD +12HR: 04/1900Z SFC/FL200 S0159 W07819 - S0237 W07808 - S0237 W07827 - S0159 W07822 - S0159 W07819 FCST VA CLD +18HR: 05/0100Z NO VA EXP RMK: VA OBS EXT 22NM SSW FM SUMMIT. OBS VA FL ESTD FM NWP MDLS. FL MVMT FCSTR TO TURN TO SSE THEN TO S THRU T+12 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20230804/1315Z