Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .The full report is as follows:FVXX20 at 21:26 UTC, 27/12/25 from KNESVA ADVISORYDTG: 20251227/2123ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0005 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2025/1331INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: VA EMS LIKELYOBS VA DTG: 27/2050ZOBS VA CLD: SFC/FL150 S0004 W07740 - S0005 W07738- S0014 W07742 - S0010 W07749 - S0004 W07740 MOVSW 5KT FCST VA CLD +6HR: 28/0300Z SFC/FL150 S0004 W07739- S0005 W07739 - S0016 W07753 - S0007 W07757 -S0004 W07739 FCST VA CLD +12HR: 28/0900Z SFC/FL150 S0001W07758 - S0004 W07739 - S0005 W07738 - S0011W07756 - S0001 W07758 FCST VA CLD +18HR: 28/1500Z SFC/FL150 S0002W07758 - S0004 W07739 - S0005 W07738 - S0011W07757 - S0002 W07758 RMK: VA EMS PSBLY OBS ON STLT MVG SW AMONG WXCLDS. VA MVMT EXP TO SHFT TWD THE W BY T+12. FLAND FCST BASED ON NWP MDLS. ...EVANSNXT ADVISORY: WILL BE ISSUED BY 20251228/0330Z