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Weekend storm in TBM confirmed as EF-0 tornado

Since July 13, nine tornadoes and two downbursts have hit Grey County, Simcoe County and Muskoka areas
2021_07_30 Thornbury tornado_JG
Photo courtesy of the Northern Tornadoes Project.

A stormy Saturday evening in Thornbury and Clarksburg in the Town of the Blue Mountains has officially been confirmed as a tornado. 

Through ground and drone surveys, the Northern Tornadoes Project has confirmed that the storm event that hit Thornbury on Saturday, July 24 at approximately 8:30 p.m. was in fact an EF-0 rated tornado. 

The tornado was recorded to have touched down for a length of 1.07 km, at a width of 90-metres with wind speeds reaching 115 km/h. 

Residents have reported downed trees and minimal damage to structures. 

The tornado in Thornbury then spawned a downburst that struck the nearby Clarksburg area. The down burst was reported to have been 2.3 km by 1.6 km with wind speeds reaching 100 km/h. 

The storm downed trees across the storm path as well as wreaking havoc on a one building in Clarksburg’s business district. 

James Thompson, owner of Yes Chiropractic said the impact to the building was minimal, damaging only a secondary roof and no one was injured in the incident.   

Since July 13, nine tornadoes and two downbursts have hit Grey County, Simcoe County and Muskoka areas. To date, the provincial tornado count stands at eight EF-2 tornadoes, two EF-1s, and now four EF-0s.