A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe of ...

The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...

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

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more ...

Winter in the CSRA is usually mild overall, but every now and then, we get a taste of true Arctic air. If you’ve ever ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

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

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

This blast of cold weather is due to activity of the polar vortex.

In what feels like the first real winter we’ve had in years here in New York, an Arctic blast or polar vortex is partially to blame. The polar vortex is ...