A possible volcanic ash emission was reported for Reventador. No ash cloud was observed in satellite imagery due to meteorological clouds; forecasts indicate little change in ash cloud movement through the next 6 hours.Original VAAC bulletin:FVXX21 at 18:41 UTC, 06/11/26 from KNESVA ADVISORYDTG: 20261106/1838ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/1176INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: POSS VA EMEST VA DTG: 06/1820ZEST VA CLD: SFC/FL140 S0000 W07747 - S0004 W07739- S0005 W07740 - S0005 W07749 - S0000 W07747 MOVW 5KT FCST VA CLD +6HR: 07/0030Z SFC/FL140 N0002 W07747- S0004 W07740 - S0005 W07740 - S0005 W07750 -N0002 W07747 FCST VA CLD +12HR: 07/0630Z NO VA EXPFCST VA CLD +18HR: 07/1230Z NO VA EXPRMK: VA EM/CLD NOT OBSD IN SAT DUE TO MET CLD. VAFL/DIR BASED ON PREV ADVY AND MDL GUIDANCE. NWPMDL FCST LTLCG THRU T+6HRS. ...ZENGNXT ADVISORY: WILL BE ISSUED BY 20261107/0045Z