Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the ...

The polar vortex, which is a band of strong winds that encloses a pool of freezing cold air in the Arctic, can cause extreme ...

Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the ...

A polar vortex — a large area of low pressure — is heading south from the Arctic, bringing with it cold weather across many ...

This dramatic-sounding phenomenon is a naturally occurring component of the Earth’s atmosphere that can play a huge role in ...

The shift is a result of a “major sudden stratospheric warming,” which in turn will shift colder Arctic air southward.

Meteorologists are predicting cold weather across the US after Thanksgiving. Here's what to expect in the Wilmington area.

The busy holiday period combined with the changing seasons often threatens chaos on the roads and at airports.

Meteorologists are observing the beginnings of a polar vortex in much of the U.S. But how does this impact Thanksgiving day ...

A disturbance in the polar vortex could spill icy cold air south into the United States much earlier than usual, the National ...

A rare weather phenomenon that hasn't occurred since 1968 is expected to plunge temperatures across parts of the United States.