FVXX24 KNES 272125 VA ADVISORY DTG: 20250527/2125Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2025/494 INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: OCSL VA EMS OBSD OBS VA DTG: 27/2050Z OBS VA CLD: SFC/FL145 N0002 W07753 - S0004 W07739 - S0005 W07739 - S0003 W07755 - N0002 W07753 MOV W 5KT FCST VA CLD +6HR: 28/0300Z SFC/FL145 N0004 W07757 - S0004 W07739 - S0005 W07740 - S0003 W07759 - N0004 W07757 FCST VA CLD +12HR: 28/0900Z SFC/FL145 N0005 W07757 - S0004 W07739 - S0005 W07739 - S0002 W07759 - N0005 W07757 FCST VA CLD +18HR: 28/1500Z SFC/FL145 N0007 W07756 - S0004 W07739 - S0005 W07739 - S0001 W07759 - N0007 W07756 RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 15 NM WNW FM SUMMIT. A MORE NW MVMT EXP BY T+18 HRS. MVMT AND HGT BASED ON STLT OBS AND NWP MDLS. ...BERTALAN NXT ADVISORY: WILL BE ISSUED BY 20250528/0330Z