FVXX24 KNES 270947 VA ADVISORY DTG: 20250527/0947Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2025/492 INFO SOURCE: GOES-19. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 27/0910Z OBS VA CLD: SFC/FL150 N0004 W07800 - S0004 W07739 - S0002 W07802 - N0004 W07800 MOV W 15KT FCST VA CLD +6HR: 27/1500Z SFC/FL150 N0005 W07801 - S0004 W07739 - S0002 W07802 - N0005 W07801 FCST VA CLD +12HR: 27/2100Z SFC/FL150 N0005 W07800 - S0004 W07739 - S0003 W07802 - N0005 W07800 FCST VA CLD +18HR: 28/0300Z SFC/FL150 N0005 W07801 - S0004 W07739 - S0002 W07802 - N0005 W07801 RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY EXTD 25NM FM THE SUMMIT. VA FCST TO CONT W MOV FM SUMMIT THRU T+18HRS BEFORE DISP. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20250527/1545Z