FVXX22 KNES 150049 VA ADVISORY DTG: 20250515/0049Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2025/257 INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: CONS VA EMS OBSD OBS VA DTG: 15/0020Z OBS VA CLD: SFC/FL200 S0153 W07840 - S0159 W07820 - S0201 W07820 - S0159 W07841 - S0153 W07840 MOV W 15KT FCST VA CLD +6HR: 15/0630Z SFC/FL200 S0149 W07846 - S0200 W07820 - S0201 W07820 - S0157 W07848 - S0149 W07846 FCST VA CLD +12HR: 15/1230Z SFC/FL200 S0148 W07846 - S0200 W07820 - S0201 W07820 - S0156 W07849 - S0148 W07846 FCST VA CLD +18HR: 15/1830Z SFC/FL200 S0148 W07846 - S0200 W07820 - S0201 W07820 - S0156 W07849 - S0148 W07846 RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 20 NM WNW FM SUMMIT. LTLCG IN FCST EXP THRU T+18 HRS. MVMT AND HGT BASED ON STLT OBS AND NWP MDLS. ...BERTALAN NXT ADVISORY: WILL BE ISSUED BY 20250515/0645Z