FOX 29 News Philadelphia on MSN

What is the polar vortex? Why it matters as snow and Arctic cold threaten the Northeast

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

Are 'polar vortex' just buzzwords? What it is, why it's overused

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march ...
Hosted on MSN

What it means when a polar vortex 'breaks'

The term "polar vortex" seems to be popping up in weather forecasts more and more often, ever since North America got blindsided by a stunningly frigid winter back in 2014. The polar vortex isn't a ...
KGW8

What happens during a polar vortex?

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...
The Boston Globe

Polar plunge: Another blast of icy vortex air is on the way. See how cold New England will get.

Boston has seen just one day so far this month where the average temperature was above the seasonal norm, daring me to ask — are you over the cold yet? Astronomical winter hasn’t even arrived (that ...