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 ...
A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...
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 ...
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