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

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...

After a record-breaking Gulf Coast storm, cities like New Orleans and Pensacola, Florida, have had more snow this winter than ...

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

you can thank — or blame — the polar vortex and its interaction with the jet stream. This dynamic duo plays a huge role in shaping winter weather patterns and determining whether we’ll be ...

Brits could face several inches of snow in the coming days according to shocking new weather maps, with forecasters also ...

This wobbly or weak pattern in the jet stream means that more arctic air and stormy weather are in the forecast. However, the polar vortex is hard to predict past two weeks. There is no need for ...

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

If we take a peek at the tropopause you can see a sliver of the polar vortex — the light gray and white in the map below — funneling south Sunday morning. At the same time, a weak jet stream ...