Siberian air is descending on Canada. Here's what to know about the 'polar vortex'
The intense cold snap about to settle over most of Canada and the U.S. has been dubbed a “polar vortex’, but Environment ...
The polar vortex will soon hit the U.S. See how cold it’ll get where you live
The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...
The Weather Network4d
Polar vortex set to invade Canada and the U.S. with dangerous cold
The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S.
The Associated Press on MSN10d
Polar vortex heads for Texas and neighboring states, with snow and sleet expected
An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some ...