Wednesday, December 18, 2024

Massive low could bring huge snowfall totals to parts of the Prairies

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What happens in Texas doesn’t stay in Texas.

The snow on Saturday was just a taste of what’s on the way early this week across the eastern Prairies. Some Pacific energy is going to meet up with a developing Texas low, which will stall across southern Manitoba through Wednesday.

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Some localized areas are in line to see more than 20 cm of snowfall, with considerable travel implications for the hardest-hit regions. Be mindful before heading out on the roads and adjust your plans accordingly as blowing snow is likely.

Prairies Tuesday morning precipitation_Nov. 17

Prairies Tuesday morning precipitation_Nov. 17

Blizzard-like conditions are possible. Heavy, wet snow is also like to weigh down power lines, so expect power outages, as well.

This week:

Periods of snow develop will across eastern Saskatchewan and fill in across southwestern Manitoba on early Tuesday, with sustained winds pushing more than 40 km/h of the northwest––creating reduced visibility and blowing snow concerns.

Tuesday afternoon snowfall and wind gusts Prairies_Nov. 17Tuesday afternoon snowfall and wind gusts Prairies_Nov. 17

Tuesday afternoon snowfall and wind gusts Prairies_Nov. 17

The rain-snow line will slide east through the afternoon, pushing as far east as Sandy Bay First Nation and Winkler, Man., by Tuesday evening.

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We’ll continue to monitor the possibility of blizzard conditions with sustained winds at 40 km/h and visibility reduced to 400 metres or less.

Prairies snowfall projections through Tuesday_Nov. 17Prairies snowfall projections through Tuesday_Nov. 17

Prairies snowfall projections through Tuesday_Nov. 17

Winnipeg is forecast to stay on the mild side, however, with the low bringing rainfall to the city. More than 30 mm of rain is possible.

“This is a rather unusual storm track due the atmospheric gridlock over the North Atlantic,” said Dr. Doug Gillham, a meteorologist at The Weather Network.

Prairies rainfall projections through Wednesday_Nov. 17Prairies rainfall projections through Wednesday_Nov. 17

Prairies rainfall projections through Wednesday_Nov. 17

Road closures are possible as visibility could be reduced to below 400 metres. Heavy, wet snow can cause additional issues on the power grid.

Beyond, a more wintry pattern is expected for the final week of November.

Stay with The Weather Network for all the latest on conditions across the Prairies.

WATCH: Why bridges freeze first

Click here to view the video

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