Edmonton,  CA  F4 Tornado July 31, 1987
Edmonton, CA F4 Tornado July 31, 1987

The Edmonton tornado of 1987, an event also known as Black Friday to Edmontonians, was a powerful and devastating tornado that ripped through the eastern parts of Edmonton, Alberta, Canada and parts of neighbouring Strathcona County on the afternoon of Friday, July 31, 1987.

It was one of seven other tornadoes in central Alberta the same day