Volcanic Ash Advisory Center Washington (VAAC) issued the following report:FVXX23 at 22:25 UTC, 25/04/26 from KNESVA ADVISORYDTG: 20260425/2223ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0005 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/402INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: POSS VA EMSEST VA DTG: 25/2200ZEST VA CLD: SFC/FL160 S0004 W07739 - S0005 W07729- S0008 W07731 - S0005 W07740 - S0004 W07739 MOVE 5KT FCST VA CLD +6HR: 26/0400Z SFC/FL160 N0004 W07740- S0004 W07738 - S0005 W07740 - N0002 W07743 -N0004 W07740 FCST VA CLD +12HR: 26/1000Z SFC/FL160 N0002W07742 - S0004 W07739 - S0005 W07740 - N0001W07744 - N0002 W07742 FCST VA CLD +18HR: 26/1600Z NO VA EXPRMK: VA EMS/CLDS NOT OBSD IN SAT AND WEBCAM DUETO MET CLDS. VA FL/DIR BASED ON PREV ADVY AND MDLGUIDANCE. MDL PREDICTED SIG BACKING THRU T+12HRS. ...ZENGNXT ADVISORY: WILL BE ISSUED BY 20260426/0430Z