Severe thunderstorms and supercell threat for Manitoba and northwestern Ontario
A system moving into southern Manitoba and northwestern Ontario on Thursday may produce thunderstorms with heavy rainfall. Some storms could intensify, posing risks of large hail and strong winds
A large low pressure system sweeping across the Prairies is expected to trigger several days of thunderstorms. Risks include heavy downpours, strong winds, and large hail. Forecasters are closely monitoring the possibility of rotating storms developing on Thursday.
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Weather Highlights:
Severe thunderstorms on Thursday could bring large hail and strong wind shear to southern Manitoba, and track toward northwestern Ontario
The potential for supercells are expected to develop and track north between Winnipeg and Kenora Thursday afternoon
The stalling low will bring prolonged rounds of rain and embedded thunderstorms to northwestern Ontario through Friday
Severe weather targets southern Manitoba and northwestern Ontario Thursday into Friday
A severe weather setup evolves Thursday in southern Manitoba and northwestern Ontario. Funnel clouds near the Saskatchewan-Manitoba border remain possible, but are not linked to a tornado threat.
Severe thunderstorms could develop Thursday afternoon in southeastern Manitoba, with the strongest activity likely between Winnipeg and Kenora.
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High thunderstorm energy and wind shear may produce large hail, with a risk for supercells forming as storms lift northward.
By late afternoon and evening, the system's cold front will spark additional thunderstorms in northwestern Ontario.
These storms could bring heavy downpours, strong winds, and large hail. Thunderstorm activity is expected to continue overnight into Friday.
On Friday, the stalled low pressure system will bring ongoing unsettled weather to northwestern Ontario. Periods of heavy rainfall, accompanied by embedded thunderstorms, are expected throughout the day.
Rainfall totals could accumulate between 20-50 mm in localized areas.
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Stay updated on severe thunderstorm warnings and be prepared for rapidly changing conditions.