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 ...
Sciencing on MSN
What it means when a polar vortex 'breaks'
The term "polar vortex" gained notoriety back in 2014 due to extreme winter weather, but there's more to this phenomenon than ...
The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...
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