Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 .The full report is as follows:FVXX20 at 03:03 UTC, 30/12/25 from KNESVA ADVISORYDTG: 20251230/0301ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0005 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2025/1341INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: VA MOVG WOBS VA DTG: 30/0230ZOBS VA CLD: SFC/FL170 S0001 W07749 - S0004 W07739- S0005 W07739 - S0007 W07749 - S0001 W07749 MOVW 15KT FCST VA CLD +6HR: 30/0830Z SFC/FL170 N0001 W07758- S0004 W07739 - S0005 W07739 - S0008 W07758 -N0001 W07758 FCST VA CLD +12HR: 30/1430Z SFC/FL170 N0004W07754 - S0004 W07739 - S0005 W07740 - S0003W07756 - N0004 W07754 FCST VA CLD +18HR: 30/2030Z SFC/FL170 N0003W07754 - S0004 W07739 - S0005 W07739 - S0004W07756 - N0003 W07754 RMK: OCNL VA EMS OBS IN STLT IMAGERY MOVG W FMSUMMIT. VA FCST THRU T+18 HRS BASED ON NWP MDLGUIDANCE SUGGESTING W/WNW MVMT. ...COVERDALENXT ADVISORY: WILL BE ISSUED BY 20251230/0900Z