When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

BUT LET’S TALK ABOUT THE POLAR VORTEX HERE. SO IT’S REALLY AN AREA OF COLD AIR THAT’S TRAPPED AROUND THE ARCTIC. AND IT’S JUST GOING TO IT USUALLY JUST STAYS PUT THERE. BUT WHEN IT WEAKENS, THAT JET ...

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to expect in Tennessee.

High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

Three polar vortex systems are anticipated in December, and the first is expected this week, according to AccuWeather. The ...

Polar vortex disturbance is causing frigid Artic air to surge southward, bringing cold temperatures and possibly snow to many regions of the US.

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...

Current forecast models show the circulation of the Polar Vortex weakening later this week into the weekend. As this occurs, cold air is expected to spread across much of the Central and Eastern U.S.

Forecasters are tracking new polar vortex changes that could reshape early December across the U.S. How will this affect ...

In recent years, the global climate has become increasingly extreme, with intensifying alternations of droughts and ...