FVXX24 KNES 241228 VA ADVISORY DTG: 20230224/1228Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/174 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 24/1200Z OBS VA CLD: SFC/FL200 S0158 W07834 - S0159 W07820 - S0201 W07820 - S0204 W07835 - S0158 W07834 MOV W 15KT FCST VA CLD +6HR: 24/1800Z SFC/FL200 S0159 W07820 - S0201 W07819 - S0205 W07836 - S0159 W07837 - S0159 W07820 FCST VA CLD +12HR: 25/0000Z NO VA EXP FCST VA CLD +18HR: 25/0600Z NO VA EXP RMK: VA EMS/CLDS NOT OBSD IN SAT DUE TO MET CLDS. VA FL/DIR BASED ON PREV VAA AND MDL GUIDANCE. NWP MDL FCST LTLCG THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20230224/1830Z