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 ...

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

commenting on the map. Meteorologist Ben Noll, who reports for the Washington Post, wrote on X: "Around 30 states and nearly 50 million people could experience temperatures below minus 10 degrees next ...

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.

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S. One of the most notable and widespread Arctic outbreaks that we have seen ...

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

The intense cold snap about to settle over most of Canada and the U.S. has been dubbed a “polar vortex’, but Environment ... before the holidays, bringing us a white Christmas, but then ...