Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies ...

A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...

NORFOLK, Va. (AP) — The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in ...

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes ventures south into the U.S., Europe and Asia. Some experts say such cold air outbreaks are happening more ...

The University of Wisconsin-Madison faced a frigid start to the semester, with the polar vortex expected to bring more icy ...

Parts of the Gulf Coast measured a foot of snow on Tuesday. For many cities the totals obliterate long-standing snowfall ...

Such cold air blasts have become known as the polar vortex. It’s a long-established ... Northwest to the Southeast and is stuck on that wavy track. To the west of that plunge, in California ...

Another polar vortex disruption will stretch Arctic air across the top of the globe and make Donald Trump’s second inauguration the coldest in 40 years, meteorologists said. After starting in ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

At the same time we go into a touch milder southwest flow, the polar vortex will still be churning away over northeast Canada. I don’t expect a full onslaught of the polar vortex to shift south ...

Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.