FVXX23 KNES 312113 VA ADVISORY DTG: 20230731/2113Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/536 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: NEW VA EMS OBS IN SAT. OBS VA DTG: 31/2050Z OBS VA CLD: SFC/FL210 S0157 W07847 - S0159 W07820 - S0201 W07819 - S0211 W07846 - S0157 W07847 MOV W 15KT FCST VA CLD +6HR: 01/0300Z SFC/FL210 S0159 W07900 - S0159 W07820 - S0201 W07819 - S0219 W07855 - S0159 W07900 FCST VA CLD +12HR: 01/0900Z NO VA EXP FCST VA CLD +18HR: 01/1500Z NO VA EXP RMK: VA OBS IN SAT EXT UP TO 30 NM W TO WSW FM SUMMIT. OBS VA FL ESTD FM NWP MDLS AND WEBCAM. LTLCG FCST IN FL WINDS THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20230801/0315Z