FVXX20 KNES 252311 VA ADVISORY DTG: 20230925/2311Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/686 INFO SOURCE: GOES-16. VONA. WEBCAM. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 25/2250Z OBS VA CLD: SFC/FL200 S0200 W07820 - S0201 W07820 - S0205 W07831 - S0202 W07831 - S0200 W07820 MOV W 20KT FCST VA CLD +6HR: 26/0500Z SFC/FL200 S0158 W07849 - S0200 W07820 - S0201 W07821 - S0203 W07849 - S0158 W07849 FCST VA CLD +12HR: 26/1100Z NO VA EXP FCST VA CLD +18HR: 26/1700Z NO VA EXP RMK: VA DETECTED ON STLT MOVG WSW OF SUMMIT. HOTSPOT NOTED ON SWIR. VONA INDICATES VA EMS. MDL WINDS AT FL FCST TO VEER NXT 6 HR BECMG MORE FM THE E. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20230926/0515Z