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The May 2022 Canadian derecho was a high-impact derecho [5] event that affected the Quebec City-Windsor Corridor, Canada's most densely populated region, on May 21, 2022.. Described by meteorologists as a historic derecho and one of the most impactful thunderstorms in Canadian history, [6] [7] winds up to 190 km/h (120 mph) as well as around four tornadoes caused widespread and extensive ...
Effective June 2021, broadcast intrusive alerts are now issued for severe thunderstorm warnings if winds exceed 130 km/h (81 miles per hour), or hail exceeds 7 centimetres (2.8 in). On 21 May 2022, a broadcast intrusive alert was issued for a derecho in Ontario and Quebec (identified as a severe thunderstorm warning) under these criteria for ...
In Canada, a severe thunderstorm is defined as having wind gusts of greater than 90 km/h (56 mph), hail with a diameter of greater than two centimetres (0.79 in), rainfall rates of greater than 50 millimetres (2.0 in) in one hour or greater than 75 millimetres (3.0 in) in three hours, or tornadoes. [14]
When severe weather looms, storm alerts are important tools for keeping people informed. The National Weather Service shares alerts as it warns of potential risks from thunderstorms, flooding ...
September 14 - an F0 tornado touched down near Brampton, Ontario, as a complex of severe thunderstorms passed over Southwestern Ontario. Additional tornadoes may have occurred. [80] 1867. June 7 - an F0 tornado touched down near Belwood, Ontario. [81] July 28 - an F1 tornado touched down north of Woodstock, Ontario. [82]
Get the Ottawa, IL local weather forecast by the hour and the next 10 days. ... Severe thunderstorms threaten South on warm side of coast-to-coast winter storm. ... Winter storm warning issued ...
The peak season for tornadoes and severe thunderstorms in Canada is in the summer months, although tornadoes in Canada have occurred in spring, fall and very rarely winter. In Canada, tornadoes are rated based on the damage they cause using a set of "Damage Indicators" which estimate wind speeds based on different levels of damage.
Parts of Texas, Mississippi and Louisiana were at risk of tornadoes and severe thunderstorms on Saturday, Dec. 28, 2024. This map from the National Weather Service's Storm Prediction Center shows ...