Morning Overview on MSN
A polar vortex break can flip your weather fast. Here’s why
When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...
"Arctic air will bring near record cold temperatures and dangerous wind chills," the National Weather Service said.
The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...
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