The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

Research shows a strong connection between October snow in Eurasia and the behavior of the swirling wind that contains Arctic ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing with the new fall season. When is ...

CLEVELAND — High above the Arctic, swirling like a giant icy crown, the polar vortex is a permanent feature of our atmosphere ...

North Carolina's first freeze typically occurs between late October and mid-November, depending on the specific location. The ...

The polar vortex is a broad, fast ribbon of cold air that encapsulates the Arctic high in the stratosphere. Stable, it confines cold air near the North Pole. Unstable, it is rocked and stretched out ...

The polar vortex is stirring up, bringing the earliest hints that the seasons are changing. That shift is most noticeable in northern Wisconsin, where a frost advisory was in effect early Monday, Sept ...

Usually in the southern hemisphere, the polar vortex gathers strength in autumn, hits peak force in winter and weakens during ...