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 just some low temperatures.
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