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 and is moving at 10 kts in NW direction.The full report is as follows:FVXX20 at 00:13 UTC, 04/01/26 from KNESVA ADVISORYDTG: 20260104/0011ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/013INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: VA EMS OBSOBS VA DTG: 03/2320ZOBS VA CLD: SFC/FL170 N0004 W07744 - N0002 W07741- S0004 W07739 - S0005 W07740 - S0002 W07746 -N0001 W07746 - N0004 W07744 MOV NW 10KT FCST VA CLD +6HR: 04/0530Z SFC/FL170 N0007 W07752- S0004 W07738 - S0005 W07740 - N0003 W07755 -N0007 W07752 FCST VA CLD +12HR: 04/1130Z SFC/FL170 N0007W07752 - S0004 W07738 - S0005 W07740 - N0001W07756 - N0007 W07752 FCST VA CLD +18HR: 04/1730Z SFC/FL170 N0007W07752 - S0004 W07738 - S0006 W07740 - N0001W07756 - N0007 W07752 RMK: VA EMS OBS IN STLT IMG UP TO APPRX 12NM FMSUMMIT. NWP MDL GUIDANCE FCSTS GEN NW MOVMT THRUT+18. ...MONAGHANNXT ADVISORY: WILL BE ISSUED BY 20260104/0615Z