A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by treacherous conditions.

Residents in the Northeast and Midwest regions have both been told to prepare for the bad weather as separate storms roll in ...

Strength: The polar vortex strengthens in winter due to the deeper contrast between polar and equatorial temperatures and weakens in summer as temperature differences diminish. Normal Position ...

Recent forecasts suggest some Americans might be getting a much-needed break from the freezing temperatures that have gripped much of the country.

“You will notice, if you go around to all of our schools, that the sidewalks and parking lots around the schools are all ...

A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow and ice to the East and Deep South.

You may have seen social media posts about it and chatter of big weather pattern changes heading our way, but what's really ...

The upcoming midweek storm is one of several systems that promises to bring precipitation and eventually the month's coldest ...

The polar vortex of ultra-cold air usually spins around ... Hundreds of car accidents were reported in Virginia, Indiana, Kansas and Kentucky, where a state trooper was treated for non-life ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

The Polar Vortex Readies to Dump Snow on Texas and Its Neighbors DALLAS ... which canceled classes Wednesday for a third-straight day, and the Virginia capital, Richmond, which was still under a ...