A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

Some of the coldest air in years is expected to plunge into the High Plains, Midwest and finally the East in the coming days ...

For the purposes of this article, we're talking about the stratospheric polar vortex. It's a semi-permanent area of low pressure that resides over the Arctic. Stable polar vortex: When the ...

In its January to March 2025 outlook, the NWS said polar vortex winds were expected to remain strong through January, meaning ...

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

Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with ...

A polar vortex is a stream of cold air that normally spins around the poles high in the stratosphere. The phenomenon, which blasts Arctic air across part of North America, can disrupt weather ...

The polar vortex spins anticlockwise around the North Pole with wind speeds of about 155mph (250km/h). There are two types of polar vortexes – tropospheric and stratospheric. The tropospheric ...

Polar vortex brings frigid air to US, making Trump's inauguration coldest in 40 years, moved indoors due to cold.

However, when the stratospheric polar vortex weakens and gets “kicked” off the pole, it reverberates down to the tropospheric polar vortex and causes it to run amuck in the lower latitudes.