FVXX20 KNES 200825 VA ADVISORY DTG: 20230820/0825Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/598 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EMS PSBL EST VA DTG: 20/0740Z EST VA CLD: SFC/FL210 S0159 W07820 - S0202 W07819 - S0225 W07852 - S0205 W07901 - S0159 W07820 MOV SW 20KT FCST VA CLD +6HR: 20/1330Z SFC/FL210 S0159 W07820 - S0202 W07819 - S0231 W07857 - S0206 W07907 - S0159 W07820 FCST VA CLD +12HR: 20/1930Z NO VA EXP FCST VA CLD +18HR: 21/0130Z NO VA EXP RMK: PSBL VA EMS NOT OBS FM STLT OR WEBCAM DUE TO WX CLDS OBSC SUMMIT AREA. NO RCNT RPTS RCVD. MDL WINDS EXP TO REMAIN TO SW THRU T+6 HRS. ...BROWN NXT ADVISORY: WILL BE ISSUED BY 20230820/1430Z