FVXX25 KNES 071239 VA ADVISORY DTG: 20250107/1239Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2025/007 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 07/1210Z OBS VA CLD: SFC/FL200 S0159 W07837 - S0159 W07820 - S0201 W07819 - S0205 W07837 - S0159 W07837 MOV W 10KT FCST VA CLD +6HR: 07/1800Z SFC/FL200 S0158 W07835 - S0200 W07820 - S0201 W07819 - S0203 W07836 - S0158 W07835 FCST VA CLD +12HR: 08/0000Z SFC/FL200 S0156 W07837 - S0159 W07820 - S0201 W07819 - S0202 W07837 - S0156 W07837 FCST VA CLD +18HR: 08/0600Z SFC/FL200 S0153 W07838 - S0200 W07819 - S0202 W07819 - S0159 W07839 - S0153 W07838 RMK: VA EMS OBSD IN SAT AND WEBCAM BETWEEN MET CLDS. VA CLDS MOVED W FM SUMMIT. VONA RECEIVED. NWP MDL FCST LTLCG THRU T+18HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20250107/1845Z