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

Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

A powerful polar vortex slams an already-frozen state as NOAA warns the deep freeze could last for weeks, bringing extreme ...

(CNN) — 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 ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

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

La Niña and polar vortex weather patterns will be at play for the 2025-2026 winter season. Here's what we know about the impact in Kentucky ...

KANSAS CITY — A notable, early-season stratospheric warming event that occurred in mid-November brought widespread snow and much colder temperatures to Canada and the north-central and eastern ...

The Polar Bear Plunge started with a few friends in 1978 and now attracts about 500 people. Many wear costumes. People generally begin arriving in the morning and stake their spot on the beach. A ...

As the Arctic warms and sea ice disappears, polar bears are being pushed into conditions they have never faced before. Their ...