Polar vortex unleashed!

polar vortexThe polar vortex has migrated much further south than usual bringing bitterly cold weather to much of Canada and the United States.

Temperatures have not been this cold in at least two decades and many records are expected to be broken over the next few days.

Many cities will experience unbearable cold with wind chills ranging from -50 in Western Canada to as low as -25 in the Southern United States.

The polar vortex typically sits near the North Pole and circulates a pool of cold, dense air in a counter-clockwise direction but an unusually southerly jetstream has carried it southward.

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