Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140.
Original VAAC bulletin:
FVXX21 at 05:15 UTC, 22/09/26 from KNES
VA ADVISORY
DTG: 20260922/0511Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/978
INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS.
OBS VA DTG: 22/0440Z
OBS VA CLD: SFC/FL140 N0006 W07754 - S0004 W07739
- S0005 W07740 - N0002 W07757 - N0006 W07754 MOV
NW 15KT
FCST VA CLD +6HR: 22/1030Z SFC/FL140 N0005 W07756
- S0004 W07739 - S0005 W07739 - S0000 W07758 -
N0005 W07756
FCST VA CLD +12HR: 22/1630Z SFC/FL140 N0001
W07758 - S0004 W07739 - S0005 W07739 - S0003
W07758 - N0001 W07758
FCST VA CLD +18HR: 22/2230Z SFC/FL140 N0001
W07758 - S0004 W07739 - S0005 W07739 - S0004
W07758 - N0001 W07758
RMK: VA CLDS OBSD MOVG WNW FM SUMMIT WITH WX CLD
CVR NOW STARTING TO INTMTLY OBSC VIEW. WEBCAM
SHOWS 1-2 VA EMS PER HR. NWP MDLS FCST VA TO MOV
W BY T+12HRS. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20260922/1115Z