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Fall storms in Ontario produce possible tornado, hail, waterspouts

Fall storms in Ontario produce possible tornado, hail, waterspouts
Fall storms in Ontario produce possible tornado, hail, waterspouts

September went out with a bang in southern Ontario, as an upper-level trough sparked thunderstorms that brought heavy rain, small hail, dozens of waterspouts and wind damage from a possible tornado Wednesday.

Significant damage was incurred at a farm property in rural Hamilton. A truck was flipped on its side and a barn’s roof was torn off. No injuries have been reported. Environment Canada was alerted to the damage and a team from the Western University-based Northern Tornadoes Project will be visiting the site Thursday to determine if it was caused by a tornado.

Truck flipped/possible tornado damage Hamilton/Photo: Jeremy Cohn
Truck flipped/possible tornado damage Hamilton/Photo: Jeremy Cohn

The storm caused damage to a farm property on Brock Road in rural Hamilton. Photo: Jeremy Cohn

As well, the storms also dropped pea-sized to dime-sized hail in parts of southern Ontario on Wednesday evening.

RADAR OF WEDNESDAY’S STORMS

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Visit our Complete Guide to Fall 2020 for an in depth look at the Fall Forecast, tips to plan for it and a sneak peek at the winter ahead

“The magic of being in a fall shoulder season is the surface temperature is cooler, allowing small hail to easily reach the surface. The environment had a lot of dynamics to producing stronger than typical updrafts for a late-September day, causing hailstones to grow inside the storm,” explains The Weather Network Tyler Hamilton.

ON Sept 30, 2020 hail credit: Dayna Vettese
ON Sept 30, 2020 hail credit: Dayna Vettese

Dime-sized hail observed in Ancaster, Ontario on Wednesday evening. Credit: Jaclyn Hill

DON’T MISS: Canada’s October Outlook

In addition to the possible tornado Wednesday, there were 29 waterspouts confirmed by the International Centre for Waterspout Research. More are possible on Thursday with cold air aloft hanging over the warmer waters of the Great Lakes and a lingering trough providing instability.

Ontario possible tornado - Sept. 30
Ontario possible tornado – Sept. 30

Damage to a farm property on Brock Road in rural Hamilton. Courtesy: Jeremy Cohn

Ontario possible tornado 2 - Sept. 30
Ontario possible tornado 2 – Sept. 30

Damage to a farm property on Brock Road in rural Hamilton. Courtesy: Jeremy Cohn

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