Storm risk lingers in Manitoba, pushes east into northern Ontario

·4 min read
Storm risk lingers in Manitoba, pushes east into northern Ontario
Storm risk lingers in Manitoba, pushes east into northern Ontario

Southern Manitoba and northern Ontario will face the threat of thunderstorms Wednesday after rounds went through parts of the region Tuesday. Northwestern Ontario has the chance to see them Tuesday overnight into Wednesday morning. They could potentially become severe, with the main threats of large hail and strong wind gusts. Come Wednesday, the storm risk moves farther into northern Ontario around Lake Superior. More on the timing and impacts, below.

RELATED: Warnings in effect for as much as 150 mm of rain in Alberta, Saskatchewan

TUESDAY OVERNIGHT/WEDNESDAY: SEVERE THUNDERSTORM THREATS MOVE FARTHER INTO NORTHERN ONTARIO

While parts of southern Alberta and Saskatchewan deal with extreme rainfall through Wednesday, with as much as 150 mm possible in the hardest-hit areas, the eastern side of the region and northern Ontario are contending with a severe storm risk Tuesday overnight and Wednesday.

Through Wednesday morning as the surface low pushes farther east northwestern Ontario, storms are forecast to initiate again. The storms will track east-northeast across areas like Kenora, Dryden and other communities along Highway 17 and 11.

ONNORTHRISKWEDAM
ONNORTHRISKWEDAM

Depending on the track, the storms could ultimately be classified as an MCS (mesoscale convective system), a cluster of thunderstorms.

MUST SEE: Why nocturnal thunderstorms can be particularly dangerous

The main threats will be strong wind gusts and large hail.

Come Wednesday, the chance for thunderstorms will push eastward into northern Ontario, although Manitoba will also see the risk, but non-severe in nature.

ONNORTHRISKWED
ONNORTHRISKWED

The risk area for severe storms will be along eastern Lake Superior shores, extending into Hearst and Timmins, nearly reaching the Quebec border. Any storm that fires up will be embedded, but could bring strong wind gusts and large hail.

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LOOK AHEAD: HOT WEATHER SPREADS ACROSS THE SOUTHERN PRAIRIES

A couple days of very hot weather will spread from west to east across the southern Prairies this weekend and into early next week, as well.

High temperatures will reach the low- to mid-30s across southern Saskatchewan on Saturday and across southern Manitoba and northwestern Ontario on Monday and possibly into Tuesday.

Exceptionally high humidity as well. There is so much soil moisture and fuelling evaporation, resulting in tropical-like humidity with the humidex into the 40s.

Continue to check back as we monitor Tuesday's storm development across the Prairies and northwestern Ontario.

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