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Multiple rounds of storms threaten southern Ontario Monday evening

May 13th, 2024

As Southern Ontario braces for a change in weather, a warm front is set to lift across the region, ushering in a mix of sun and clouds. However, this transition won’t be without its challenges, as thunderstorms and smoky skies loom on the horizon.

Thunderstorm threat: Monday afternoon and evening

Southern Ontario Monday storm risk map May 13 2024

Southern Ontario Monday storm risk map May 13 2024

The warm front will provide surface instability, creating favourable conditions for thunderstorm development. These storms bring the risk of heavy downpours, frequent lightning, and even small hail as they move across the Greater Toronto Area through Monday evening.

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With multiple rounds of thunderstorms expected to move over the same region, urban areas face an increased threat of flash flooding. Rainfall totals could be significant, with some regions potentially seeing 30-50 mm from intense downpours or repeated heavy showers.

Southern Ontario rainfall accumulation May 13 2024Southern Ontario rainfall accumulation May 13 2024

Southern Ontario rainfall accumulation May 13 2024

Wildfires bring smoky skies

Adding to the atmospheric drama is the resurgence of wildfires across Western Canada. Smoke from these fires is spiraling into a trough that extends across Ontario and Quebec.

CANADA’S WILDFIRES: Visit The Weather Network’s wildfire hub to keep up with the latest on the active start to wildfire season across Canada.

While most of the smoke will remain aloft, some will filter down impacting air quality in southern Ontario as early as Monday evening.

Heavy rainfall threat continues

Southern ONtario Tuesday storm risk map May 13 2024Southern ONtario Tuesday storm risk map May 13 2024

Southern ONtario Tuesday storm risk map May 13 2024

As the thunderstorms persist, rainfall totals could escalate. The threat of heavy rainfall extends into Tuesday, with showers lingering before finally tapering off Tuesday evening.

With the potential for multiple rounds of storms, residents are advised to remain vigilant and prepared for changing weather conditions.

Stay with The Weather Network for all the latest on your forecast across Ontario.

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This content was originally sourced and posted at Yahoo Canada Sports – Sports News, Scores, Rumours, Fantasy Games, and more »
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