After a winter storm this weekend, the polar vortex will return, bringing subzero temperatures to around 80 million people ...
A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...
A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the ...
Such cold air blasts have become known as the polar vortex. It's a long-established weather term that's become mainstream as its technical meaning changed a bit on the way.
The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...
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