Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 16000 ft (4900 m), or flight level 160.Original VAAC bulletin:FVXX21 at 11:55 UTC, 25/09/26 from KNESVA ADVISORYDTG: 20260925/1153ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0005 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/992INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.GEOPHYSICAL INST. ERUPTION DETAILS: CONTG VA EMS.OBS VA DTG: 25/1130ZOBS VA CLD: SFC/FL160 N0009 W07755 - S0004 W07739- S0005 W07739 - N0001 W07759 - N0009 W07755 MOVNW 10KT FCST VA CLD +6HR: 25/1730Z SFC/FL160 N0018 W07806- S0004 W07738 - S0005 W07740 - N0007 W07812 -N0018 W07806 FCST VA CLD +12HR: 25/2330Z SFC/FL160 N0019W07806 - S0004 W07739 - S0005 W07740 - N0007W07813 - N0019 W07806 FCST VA CLD +18HR: 26/0530Z SFC/FL160 N0019W07807 - S0004 W07739 - S0005 W07739 - N0007W07813 - N0019 W07807 RMK: VONA RPTS VA EM TO FL160. VA OBS IN SAT ANDWEBCAM MOV NW FM SUMMIT. OBS VA FL BASED ON VONA.FL MVMT FCST TO PERSIST THRU T+18 HRS. ...CLARKNXT ADVISORY: WILL BE ISSUED BY 20260925/1800Z