Possible volcanic ash emissions from Reventador were reported, but no ash was observed in satellite imagery as of the latest advisory. Forecasts indicate possible ash movement west from the summit at 10 knots through the next 12 hours.Original VAAC bulletin:FVXX21 at 17:07 UTC, 23/09/26 from KNESVA ADVISORYDTG: 20260923/1705ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/984INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS PSBLEST VA DTG: 23/1640ZEST VA CLD: SFC/FL150 S0000 W07753 - S0004 W07739- S0005 W07753 - S0000 W07753 MOV W 10KT FCST VA CLD +6HR: 23/2230Z SFC/FL150 S0001 W07754- S0004 W07739 - S0007 W07753 - S0001 W07754 FCST VA CLD +12HR: 24/0430Z SFC/FL150 S0001W07754 - S0005 W07739 - S0007 W07753 - S0001W07754 FCST VA CLD +18HR: 24/1030Z NO VA EXPRMK: CONT VA EMS PSBL. VA NOT OBS IN STLTIMAGERY. PSBL VA FCST TO MOV W FM SUMMIT THRUT+12HRS BEFORE DISP. VO ACT MODERATE. ...FISHERNXT ADVISORY: WILL BE ISSUED BY 20260923/2300Z