Glencoe-area tornado upgraded to an EF1

Aftermath of Glencoe, Ont. tornado seen on June 26, 2026. (Bryan Bicknell/CTV News London)

The Northern Tornadoes Project (NTP) has upgraded the tornado that touched down in the Glencoe area on Thursday from a preliminary EF0 to an EF1, following a more detailed ground and drone survey.

The NTP said this supercell tornado had a path length nearly 10 km long.

• PHOTOS: ‘Supercell’ tornado touches down in Glencoe area

The tornado touched down on June 25 at 5:47 p.m. southwest of London, Ont., producing estimated peak winds of 145 km/h.

Damage to several older barns, trees, recreational trailers, and minor damage to homes was reported, but no injuries were reported.