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Severe Thunderstorms Sweep Southern Ontario, Disrupting Events and Power

Tuesday evening storms brought high winds, hail, and power outages across the region, with clearing expected overnight.

Overview

  • Southern Ontario experienced unseasonal heat on Tuesday, with temperatures reaching the high 20s and feeling like summer.
  • Severe thunderstorms developed as a cold front clashed with the warm, humid air mass, prompting Environment Canada to upgrade watches to warnings by the evening.
  • The storms caused significant disruptions, including delaying the Toronto Maple Leafs' playoff tailgate and widespread power outages affecting over 80,000 customers.
  • Hailstones up to 4 cm, wind gusts exceeding 100 km/h, and heavy downpours were reported, with a small but present risk of tornadoes in some areas.
  • Conditions are expected to stabilize overnight, with cooler temperatures and calmer weather forecast for Wednesday.