FVXX21 KNES 271827 VA ADVISORY DTG: 20250527/1827Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2025/305 INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONS VA EMS OBSD OBS VA DTG: 27/1800Z OBS VA CLD: SFC/FL230 S0158 W07829 - S0200 W07820 - S0201 W07820 - S0202 W07829 - S0158 W07829 MOV W 10KT FCST VA CLD +6HR: 28/0000Z SFC/FL230 S0150 W07829 - S0200 W07820 - S0201 W07820 - S0154 W07833 - S0150 W07829 FCST VA CLD +12HR: 28/0600Z SFC/FL230 S0150 W07829 - S0200 W07820 - S0201 W07820 - S0155 W07833 - S0150 W07829 FCST VA CLD +18HR: 28/1200Z SFC/FL230 S0149 W07829 - S0200 W07820 - S0201 W07820 - S0155 W07834 - S0149 W07829 RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 12 NM W FM SUMMIT. W MVMT EXP TO SHIFT NW BY T+6 HRS. MVMT AND HGT BASED ON STLT OBS AND NWP MDLS. ...BERTALAN NXT ADVISORY: WILL BE ISSUED BY 20250528/0030Z