FVXX22 KNES 191055 VA ADVISORY DTG: 20231219/1055Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/931 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBS OBS VA DTG: 19/1030Z OBS VA CLD: SFC/FL210 S0159 W07820 - S0214 W07808 - S0217 W07823 - S0201 W07821 - S0159 W07820 MOV S 10KT FCST VA CLD +6HR: 19/1630Z SFC/FL210 S0200 W07819 - S0225 W07807 - S0226 W07824 - S0201 W07821 - S0200 W07819 FCST VA CLD +12HR: 19/2230Z NO VA EXP FCST VA CLD +18HR: 20/0430Z NO VA EXP RMK: VA EMS OBS IN WEBCAM BUT NOT VISIBLE IN STLT IMG LIKELY DUE TO MET CLDS OBSC SUMMIT. MODEL GUIDANCE SUGGESTS SSE MVMT FM SUMMIT THRU T+6. ...GATLING NXT ADVISORY: WILL BE ISSUED BY 20231219/1700Z