Ongoing volcanic ash emissions are reported at Reventador. No observed ash plume height is available; forecasts indicate ash may reach up to FL140 and move west as of August 16, 2026, 16:30 UTC.
Original VAAC bulletin:
FVXX22 at 16:55 UTC, 16/08/26 from KNES
VA ADVISORY
DTG: 20260816/1653Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/832
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 16/1630Z
EST VA CLD: SFC/FL140 N0001 W07756 - S0004 W07740
- S0005 W07739 - S0006 W07756 - N0001 W07756 MOV
W 10KT
FCST VA CLD +6HR: 16/2230Z SFC/FL140 N0002 W07759
- S0004 W07740 - S0005 W07740 - S0007 W07758 -
N0002 W07759
FCST VA CLD +12HR: 17/0430Z SFC/FL140 N0005
W07758 - S0004 W07739 - S0005 W07740 - S0002
W07759 - N0005 W07758
FCST VA CLD +18HR: 17/1030Z SFC/FL140 N0006
W07758 - S0004 W07739 - S0005 W07740 - S0002
W07759 - N0006 W07758
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENT
ACTVTY. MDL WINDS AT FL FCST TO VEER BY T+12 HR
BECMG MORE FM THE ESE. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260816/2300Z