Ash emissions were observed on webcam at Reventador as of 09:10 UTC on 24 October 2026. Forecasts indicate possible westward movement of ash at FL150 in the following hours.
Original VAAC bulletin:
FVXX21 at 09:46 UTC, 24/10/26 from KNES
VA ADVISORY
DTG: 20261024/0942Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/1117
INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBSD IN WEBCAM
EST VA DTG: 24/0910Z
EST VA CLD: SFC/FL150 S0002 W07748 - S0004 W07740
- S0005 W07740 - S0006 W07748 - S0002 W07748 MOV
W 5KT
FCST VA CLD +6HR: 24/1500Z SFC/FL150 S0001 W07749
- S0004 W07739 - S0005 W07739 - S0005 W07750 -
S0001 W07749
FCST VA CLD +12HR: 24/2100Z SFC/FL150 N0001
W07747 - S0004 W07739 - S0005 W07740 - S0003
W07750 - N0001 W07747
FCST VA CLD +18HR: 25/0300Z SFC/FL150 S0001
W07750 - S0004 W07739 - S0005 W07739 - S0005
W07750 - S0001 W07750
RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLT
IMG DUE TO MET CLDS. W MVMT EXP TO SHIFT MORE WNW
BY T+6 HRS, AND NW BY T+12 HRS. MVMT AND HGT
BASED ON VONA, WEBCAM OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20261024/1545Z