Volcanic Ash Advisory Center Washington (VAAC) issued the following report:FVXX20 at 08:51 UTC, 14/12/25 from KNESVA ADVISORYDTG: 20251214/0848ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2025/1273INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: PSBL VA EMSEST VA DTG: 14/0820ZEST VA CLD: SFC/FL160 N0002 W07753 - S0004 W07740- S0005 W07740 - S0003 W07755 - N0002 W07753 MOVW 10KT FCST VA CLD +6HR: 14/1430Z SFC/FL160 N0002 W07753- S0004 W07740 - S0005 W07740 - S0003 W07755 -N0002 W07753 FCST VA CLD +12HR: 14/2030Z SFC/FL160 N0005W07751 - S0004 W07739 - S0005 W07740 - N0000W07754 - N0005 W07751 FCST VA CLD +18HR: 15/0230Z SFC/FL160 N0004W07752 - S0004 W07740 - S0005 W07740 - S0000W07754 - N0004 W07752 RMK: VA NOT VISIBLE IN STLT IMG LIKELY DUE TO METCLD CVR. VA EMS LIKELY CONT BASED ON PREVACTIVITY. MDL GUIDANCE SUGGESTS WNW MVMT FMSUMMIT THRU T+18. ...GATLINGNXT ADVISORY: WILL BE ISSUED BY 20251214/1445Z