A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

Overall, about 300 million Americans are expected to be impacted by the vortex. A map shared by Jeff Berardelli, chief meteorologist at WFLA-TV, on X shows that by Tuesday even some Florida cities ...

Recent forecasts suggest some Americans might be getting a much-needed break from the freezing temperatures that have gripped much of the country.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex, slipping down to ... cameras on sea lions' backs to help them map the elusive ocean floor.

A lobe of the Polar Vortex is going to swing through Ontario just north of Michigan. The upper-air forecast gives us an easy look at this strong winter player. The general meaning of the Polar ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

Arctic air will return to Texas over the weekend, bringing below-freezing temperatures, low wind chills and the chance of wintry precipitation again.

Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex, slipping down to engulf large parts of the country. Early January's winter storm prompted seven states to ...