Polar vortex disrupted as major sudden stratospheric warming develops over the Arctic
Sudden stratospheric warming events occur when large-scale atmospheric waves generated in the troposphere propagate upward into the stratosphere…
Don’t wait for the groundhog! Canada’s February outlook is here
A return to colder temperatures east of the Rockies would help to build a storm track favourable for…
Prepare for 20-40+ cm of snow on the way to Atlantic Canada
Published on Jan. 25, 2026, 11:37 PM Expect heavy snow and reduced visibility beginning Sunday night and lasting…
Polar vortex: What is the frigid arctic system hitting Canada? – National
Extreme cold winter conditions are expected to trap the majority of the country in a bitter weather phenomenon…
20-30+ cm: Expansive winter storm to deliver snowy blast to Atlantic Canada
Published on Jan. 24, 2026, 3:03 PM Updated on Jan. 24, 2026, 4:39 PM A massive U.S. winter…
San Antonio and Bexar County open warming shelters ahead of weekend winter storm
Ice clings to branches after a winter freeze. Credit: Shutterstock / grand brothers As Texas readies itself for…
Major polar vortex disruption brings Arctic surges across North America and Europe through January and early February
A major disruption of the polar vortex has begun, while a stronger Arctic outbreak is forecast across North…
Extreme cold on the move after Canada notches -50C reading
Published on Dec. 12, 2025, 1:20 AM Wednesday’s -53°C reading in the Yukon was the earliest in the…
Arctic air brings freezing temperatures across Canada
Feels-like values will range between -10 and -25 across the provinces on Saturday. By Sunday, we’ll see some…
‘Unique’ Weather Warning for Winter As La Nina, Polar Vortex Dance
Meteorologists warn that an “extraordinary and unique” atmospheric event could reshape the 2025-2026 winter outlook. A rare, possible…