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 19:58 UTC, 28/12/25 from KNESVA ADVISORYDTG: 20251228/1955ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2025/1335INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMSOBS VA DTG: 28/1920ZOBS VA CLD: SFC/FL150 S0004 W07740 - S0005 W07739- S0010 W07752 - S0006 W07753 - S0004 W07740 MOVW 5KT FCST VA CLD +6HR: 29/0130Z SFC/FL150 S0004 W07740- S0005 W07739 - S0008 W07753 - S0005 W07754 -S0004 W07740 FCST VA CLD +12HR: 29/0730Z SFC/FL150 S0004W07739 - S0005 W07739 - S0008 W07753 - S0004W07754 - S0004 W07739 FCST VA CLD +18HR: 29/1330Z SFC/FL150 S0004W07740 - S0005 W07739 - S0008 W07753 - S0004W07754 - S0004 W07740 RMK: INTMT VA EMS OBS IN STLT IMG EXT APRX 15NMWSW FM SUMMIT. W MVMT EXP THRU T+18. FCST BASEDON STLT AND MDL WINDS. ...GATLINGNXT ADVISORY: WILL BE ISSUED BY 20251229/0200Z