FVXX21 KNES 251224 VA ADVISORY DTG: 20230925/1224Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/684 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS MOVG SW OBS VA DTG: 25/1200Z OBS VA CLD: SFC/FL210 S0200 W07820 - S0201 W07819 - S0225 W07829 - S0220 W07839 - S0200 W07820 MOV SW 20KT FCST VA CLD +6HR: 25/1800Z SFC/FL210 S0201 W07820 - S0201 W07819 - S0238 W07841 - S0225 W07858 - S0201 W07820 FCST VA CLD +12HR: 26/0000Z NO VA EXP FCST VA CLD +18HR: 26/0600Z NO VA EXP RMK: DISCRETE VA EMS OBS IN STLT IMAGERY APPRX 30NM SW FM SUMMIT. STLT IMAGERY AND WEBCAM NOW BCMING OBSCD BY WX CLDS. VA FCST THRU T+6 HRS BASED ON NWP MDLS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20230925/1830Z