FVXX23 KNES 280638 VA ADVISORY DTG: 20221228/0638Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2022/1376 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: FRQ VA EMS OBSD OBS VA DTG: 28/0610Z OBS VA CLD: SFC/FL200 S0159 W07820 - S0201 W07819 - S0214 W07836 - S0210 W07838 - S0159 W07820 MOV SW 10KT FCST VA CLD +6HR: 28/1200Z SFC/FL200 S0159 W07820 - S0201 W07819 - S0217 W07842 - S0210 W07845 - S0159 W07820 FCST VA CLD +12HR: 28/1800Z SFC/FL200 S0159 W07820 - S0201 W07819 - S0212 W07846 - S0205 W07847 - S0159 W07820 FCST VA CLD +18HR: 29/0000Z NO VA EXP RMK: FRQ VA EMS OBSD IN SAT AND VA CLDS EXTD APPX 20NMI SW FM SUMMIT. NWP MDL FCST SLIGHTLY VEERING THRU T+12HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20221228/1245Z