There are two of these polar vortexes -- one in the troposphere that affects weather every winter, and one in the ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

It's been a warm autumn, so far. But the polar vortex is forecast to change unusually early, and that could impact your ...

As we look toward mid-December into January, the door is opening for some potentially significant winter weather.

The cold temperatures — which might not reach Long Island — would be caused by a disruption in the polar vortex above the ...

According to meteorologists and climatologists, critical changes in two major atmospheric patterns—La Nina and the polar ...

Thanksgiving is this Thursday, Nov. 27, and there is a good possibility of some rain and snow across the region. The holiday has been observed every fourth Thursday since 1942, so has been as early as ...

The polar vortex could be disturbed in a way that hasn't happened this early in 25 years. You’d be forgiven for being ...

Forecasters are expecting a weakened polar vortex to bring cold air after Thanksgiving. An uncommon occurrence at this time ...

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter ...

A polar vortex — a large area of low pressure — is heading south from the Arctic, bringing with it cold weather across many ...