FVXX20 KNES 200235 VA ADVISORY DTG: 20230820/0235Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/597 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: FRQT VA EMS OBS VA DTG: 20/0210Z OBS VA CLD: SFC/FL210 S0146 W07933 - S0153 W07847 - S0159 W07820 - S0201 W07819 - S0205 W07846 - S0206 W07937 - S0146 W07933 MOV W 20KT FCST VA CLD +6HR: 20/0800Z SFC/FL210 S0159 W07820 - S0202 W07819 - S0223 W07917 - S0200 W07923 - S0159 W07820 FCST VA CLD +12HR: 20/1400Z SFC/FL210 S0159 W07820 - S0202 W07819 - S0229 W07917 - S0210 W07926 - S0159 W07820 FCST VA CLD +18HR: 20/2000Z NO VA EXP RMK: FRQT VA EMS OBS FM STLT DATA MV WNW FM SUMMIT AREA AND DSIPTG ABT 75 NM AWAY. MDL WINDS EXP TO SHFT TO SW THRU T+12 HRS. ...BROWN NXT ADVISORY: WILL BE ISSUED BY 20230820/0830Z