Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.Original VAAC bulletin:FVXX21 at 17:56 UTC, 27/10/26 from KNESVA ADVISORYDTG: 20261027/1754ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0005 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/1131INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: CONTG OCNL VA EMS.OBS VA DTG: 27/1730ZOBS VA CLD: SFC/FL150 N0011 W07745 - S0004 W07738- S0005 W07740 - N0006 W07752 - N0011 W07745 MOVNW 5KT FCST VA CLD +6HR: 27/2330Z SFC/FL150 N0007 W07749- S0004 W07738 - S0005 W07740 - N0002 W07755 -N0007 W07749 FCST VA CLD +12HR: 28/0530Z SFC/FL150 N0007W07750 - S0004 W07738 - S0005 W07740 - N0001W07756 - N0007 W07750 FCST VA CLD +18HR: 28/1130Z SFC/FL150 N0008W07750 - S0004 W07739 - S0005 W07739 - N0001W07756 - N0008 W07750 RMK: OCNL VA EMS OBS IN SAT MOV NW FM SUMMIT. OBSVA FL ESTD FM NWP MDLS AND PREV VAA. FL MVMTFORECAST TO BACK SLIGHTLY THRU T+18 HRS. LOWERCONF IN FCST DUE TO LGT FL WINDS. ...CLARKNXT ADVISORY: WILL BE ISSUED BY 20261028/0000Z