Occasional volcanic ash emissions from Reventador continue, with recent reports indicating ash reaching up to FL150. Satellite observation is limited due to cloud cover; forecasts suggest little change in ash movement through the next 12 hours.Original VAAC bulletin:FVXX22 at 00:28 UTC, 12/08/26 from KNESVA ADVISORYDTG: 20260812/0026ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0005 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/811INFO SOURCE: GOES-19. VONA. NWP MODELS.GEOPHYSICAL INST. ERUPTION DETAILS: CONTG OCNL VA EMS.EST VA DTG: 12/0000ZEST VA CLD: SFC/FL150 N0005 W07758 - S0003 W07739- S0005 W07740 - S0001 W07801 - N0005 W07758 MOVW 15KT FCST VA CLD +6HR: 12/0600Z SFC/FL150 N0007 W07758- S0003 W07739 - S0005 W07740 - S0002 W07801 -N0007 W07758 FCST VA CLD +12HR: 12/1200Z SFC/FL150 N0008W07758 - S0003 W07738 - S0005 W07740 - S0002W07802 - N0008 W07758 FCST VA CLD +18HR: 12/1800Z NO VA EXPRMK: VA NOT CURRENTLY OBS IN SAT DUE TO FRQ METCLD OBSCN OF SUMMIT. RECENT VONA RPTD VA EM TOFL150 MOV W FM SUMMIT. OBS VA AREA ESTD FM NWPMDLS AND PREV VAA. LTLCG FCST IN FL MVMT THRUT+12 HRS. ...CLARKNXT ADVISORY: WILL BE ISSUED BY 20260812/0630Z