Thurderstorm warning with hail and high winds for Uxbridge and parts north; Pickering to Oshawa under storm ‘watch’

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Published August 10, 2023 at 12:12 pm

Environment Canada has issued a severe thunderstorm warning for Uxbridge, Beaverton and other parts of north Durham Region with the warning downgraded to an ‘alert’ for the urban areas along Lake Ontario.

The thunderstorms are capable of producing strong wind gusts of 90 km/hr, nickel size hail and heavy rain and is expected to remain in Durham into the afternoon.

Heavy downpours can cause flash floods and water pooling on roads and large hail can damage property and cause injury. Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles.

Environment Canada is urging people to take cover immediately if threatening weather approaches. Water-related activities may be unsafe due to violent and sudden gusts of wind over bodies of water. If you hear thunder, then lightning is close enough to be dangerous.

Conditions are also favourable for the development of dangerous thunderstorms and ‘toonie-sized’ hail in the south from Pickering to Oshawa. Heavy rainfall – approaching 40 mm – is also expected.

Severe thunderstorm warnings and watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.

Continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or tweet reports using #ONStorm.

Uxbridge after a F2 Jericho tornado touched down in May 2022. Photo Sarah Law

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