FVXX21 KNES 311553 VA ADVISORY DTG: 20230831/1553Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/622 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: INTMT VA EMS OBS VA DTG: 31/1520Z OBS VA CLD: SFC/FL230 S0133 W07824 - S0133 W07812 - S0201 W07819 - S0201 W07822 - S0133 W07824 MOV N 10KT FCST VA CLD +6HR: 31/2130Z SFC/FL230 S0125 W07817 - S0129 W07801 - S0201 W07819 - S0201 W07822 - S0125 W07817 FCST VA CLD +12HR: 01/0330Z NO VA EXP FCST VA CLD +18HR: 01/0930Z NO VA EXP RMK: INTMT VA EMS OBS FM STLT DATA AND WEBCAM. VONA RPT RCVD. HOTSPOT DETECTED. MDL WINDS EXP TO SHIFT TO NNE THRU T+6 HRS. ...BROWN NXT ADVISORY: WILL BE ISSUED BY 20230831/2200Z