How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...

Erin Davis/Axios Visuals An invasion of frigid air from the Arctic is sweeping south from the Plains and Ohio Valley Sunday, moving towards the Southeast and East. Threat level: The ...

Some experts say the Frigid air that normally stays trapped in the Arctic escaping is happening more frequently because of a ...

A Siberian chill is on the horizon, threatening to plunge the U.S. into a deep freeze in parts of the east coast ...

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

NEW ORLEANS — The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar ...

said Francis and Judah Cohen, seasonal forecast director at the private firm Atmospheric and Environmental Research. The ...

Judah Cohen, seasonal forecast director at the private firm Atmospheric and Environmental Research, called this a polar vortex event. He and DePodwin called it a stretching of the polar vortex ...

The National Weather Service is predicting the temperature to be around 22 degrees at noon during the swearing-in, the ...

Millions in the U.S. are in the path of the first major winter storm of the year, which is expected to dump snow and ice and ...