Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

It exists all the time, but it usually gets stronger in winter. When the jet stream (a river of wind) bends and dips south, ...

A crippling winter storm that could paralyze parts of the Southern and Central U.S. this weekend, and some of the effects ...

A gargantuan winter storm, aided by a deep surge of Arctic air, is forecast to affect over half of the population in the United States, delivering widespread hazardous weather, such as heavy snow and ...

TOLEDO, Ohio (WTVG) - The polar vortex is a large area of low pressure encompassing the Earth’s poles. It can weaken and split up, causing the polar jet stream to move southward. This pushes cold ...

A polar vortex is bringing another round of frigid, Arctic air to the Eastern United States. Temperatures across Tennessee are expected to drop into the low 20s and upper teens over the weekend. There ...

The polar vortex is forecast to weaken unusually early, and that could lead to more persistent cold weather in at least parts of the U.S. in December. Last week, almost 100 daily record lows were tied ...

After this weekend's snow storm moves out, cold Arctic air will move in.

A 2025 satellite image shows a series of ghostly ice swirls sculpted on the surface of Lake Michigan by strong winds during ...

Environment Canada has issued warnings for the cold and storm expected Sunday that could deliver up to 30 centimetres of snow ...