FVXX23 KNES 181644 VA ADVISORY DTG: 20221218/1644Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2022/1336 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VA EMS CONT OBS VA DTG: 18/1620Z OBS VA CLD: SFC/FL260 S0158 W07820 - S0200 W07818 - S0232 W07821 - S0225 W07843 - S0158 W07820 MOV S 20KT FCST VA CLD +6HR: 18/2230Z SFC/FL260 S0158 W07820 - S0159 W07817 - S0228 W07821 - S0222 W07838 - S0158 W07820 FCST VA CLD +12HR: 19/0430Z NO VA EXP FCST VA CLD +18HR: 19/1030Z NO VA EXP RMK: VA EMS OBSD IN SAT AND WEBCAM. SIGMET RECEIVED. VA CLDS EXTD APPX 35NMI SSW FM SUMMIT. VA FL/DIR BASED ON RPRT AND MDL GUIDANCE. NWP MDL FCST LTLCG THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20221218/2245Z