With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in a deep winter feel and park ...

WASHINGTON (7News) — Does this winter feel colder than most? It's possibly due to a weather phenomena called "cross-polar flow". Cross-polar flow is what happens when disruptions in the polar vortex ...

Extreme weather is impacting nearly every region of the United States, with forecasts predicting a mix of blizzards, heat waves, and polar vortex conditions. The National Weather Service has issued ...

The polar vortex is splitting — an exceedingly rare phenomenon for this time of year that will be an unusual driver of warmer temperatures, as the calendar flips to March and meteorological spring.

A cold front will bring plunging temperatures and snow to the Northeast this week. Polar vortex disruptions, caused by Sudden Stratospheric Warming, drive extreme cold southward. Officials advise ...