FVXX21 KNES 281801 VA ADVISORY DTG: 20250528/1801Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2025/309 INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING VA EMS. EST VA DTG: 28/1720Z EST VA CLD: SFC/FL210 S0147 W07907 - S0158 W07819 - S0202 W07819 - S0206 W07907 - S0147 W07907 MOV W 10KT FCST VA CLD +6HR: 28/2330Z SFC/FL210 S0141 W07904 - S0158 W07820 - S0202 W07822 - S0155 W07909 - S0141 W07904 FCST VA CLD +12HR: 29/0530Z NO VA EXP FCST VA CLD +18HR: 29/1130Z NO VA EXP RMK: DENSE CLD COVER IN THE REGION HAS PRECLUDED SEENING ANY VA IN WEBCAM OR IR STLT IMAGERY. HOWEVER, ONGOING ACT LIKELY BASED ON PAST VOL HIST. VA PRESUMED MOV TO WNW OF THE SUMMIT. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20250529/0000Z