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 04:43 UTC, 12/11/26 from KNES
VA ADVISORY
DTG: 20261112/0440Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/1199
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 11/0410Z
OBS VA CLD: SFC/FL150 N0005 W07753 - S0004 W07738
- S0005 W07740 - N0002 W07756 - N0005 W07753 MOV
NW 20KT
FCST VA CLD +6HR: 11/1000Z SFC/FL150 N0005 W07755
- S0004 W07739 - S0005 W07740 - N0001 W07758 -
N0005 W07755
FCST VA CLD +12HR: 11/1600Z SFC/FL150 N0005
W07755 - S0004 W07738 - S0005 W07740 - N0001
W07758 - N0005 W07755
FCST VA CLD +18HR: 11/2200Z SFC/FL150 N0007
W07753 - S0004 W07738 - S0006 W07740 - N0002
W07756 - N0007 W07753
RMK: VA EMS OBS IN STLT IMG UP TO APPRX 18NM FM
SUMMIT. FQNT VOL INCANDESCENT ACTIVITY SEEN IN
WEBCAM. NWP MDL GUIDANCE FCSTS GEN NW MOVMT THRU
T+18. HGT BASED ON MOVMT AND NWP MDLS. ...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20261112/1045Z