Comment. (2015) — The polar vortex is a large area of low-pressure and cold air that swirls like a wheel around both of the Earth’s polar regions. There are two types of polar vortex: tropospheric and ...

The harsh weather was caused by the polar vortex expanding southward. — The polar vortex is a vast area of low-pressure, cold air that rotates like a wheel around both of the Earth’s polar regions.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

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

And if the polar vortex is to blame. First, a quick refresher on the polar vortex. The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

In short, the answer is the polar vortex. But what does that mean? The polar vortex is a “constant feature” that begins to develop sometime in September and persist through sometime in spring ...

A polar vortex is set to bring weeks of icy temperatures to the Lower Hudson Valley and New York City. The frigid period will impact the Northeast and Midwestern regions of the United States starting ...

But is Wisconsin in a polar vortex? And what is a polar vortex anyways? Here's what to know. What is a polar vortex? A polar vortex is a low pressure area where air swirls counterclockwise keeping ...

A polar vortex is set to bring weeks of icy temperatures to the Lower Hudson Valley and New York City. “This could end up being the coldest January since 2011 for the U.S. as a whole,” said ...

Photo Credit: AL DRAGO Massive disruption in winter weather engineered by a ‘polar vortex’ will pump a blast of frigid air into eastern parts of the US, rendering Donald Trump’s second ...