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 02:57 UTC, 26/08/26 from KNES
VA ADVISORY
DTG: 20260826/0255Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/871
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA MOVG WNW
OBS VA DTG: 26/0220Z
OBS VA CLD: SFC/FL150 N0003 W07753 - S0004 W07739
- S0005 W07739 - S0003 W07756 - N0003 W07753 MOV
NW 10KT
FCST VA CLD +6HR: 26/0830Z SFC/FL150 N0006 W07759
- S0004 W07739 - S0005 W07739 - S0003 W07802 -
N0006 W07759
FCST VA CLD +12HR: 26/1430Z SFC/FL150 N0007
W07755 - S0004 W07739 - S0005 W07740 - N0000
W07759 - N0007 W07755
FCST VA CLD +18HR: 26/2030Z SFC/FL150 N0005
W07753 - S0004 W07739 - S0005 W07740 - S0002
W07756 - N0005 W07753
RMK: OCNL VA EMS OBS IN STLT IMAGERY MOVG WNW FM
SUMMIT. WEBCAM OBSCD BY WX CLDS. VA FCST THRU
T+18 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260826/0900Z