A big reason is we have another lobe of the Polar Vortex that is going to shift south into far southern Canada. This lobe 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 ...

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more ...

Daughter polar vortices' could bring snow and ice to parts of northern, central, and eastern United States later this month, ...

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

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 ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

A polar vortex is slated to sweep most of the continental ... and 60s and 70s in the Desert Southwest. Winter storm warnings have been issued in New York Sunday afternoon into Sunday night ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

Winter in the CSRA is usually mild overall, but every now and then, we get a taste of true Arctic air. If you’ve ever ...

Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...