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:
FVXX22 at 06:26 UTC, 12/08/26 from KNES
VA ADVISORY
DTG: 20260812/0624Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/812
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 12/0540Z
OBS VA CLD: SFC/FL150 S0000 W07755 - S0004 W07738
- S0006 W07739 - S0003 W07755 - S0000 W07755 MOV
NW 15KT
FCST VA CLD +6HR: 12/1130Z SFC/FL150 N0001 W07801
- S0004 W07738 - S0006 W07738 - S0004 W07802 -
N0001 W07801
FCST VA CLD +12HR: 12/1730Z SFC/FL150 N0004
W07757 - S0004 W07739 - S0006 W07739 - S0001
W07759 - N0004 W07757
FCST VA CLD +18HR: 12/2330Z SFC/FL150 N0000
W07757 - S0004 W07738 - S0006 W07739 - S0003
W07758 - N0000 W07757
RMK: VA EMS OBS IN STLT IMG UP TO APPRX 15NM FM
SUMMIT. VOL INCANDESCENCE SEEN IN WEBCAM. NWP MDL
GUIDANCE FCSTS GEN WNW MOVMT THRU T+18.
...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260812/1230Z