Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex is a large area of cold, spinning air that sits near the North Pole and exists year-round. When it weakens or ...

The infamous weather pattern is actually partly influencing our weather as February ends. And it may again throughout the month of March.

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.

DC swings from a warm 50 weekend to a cold start to the week, with highs in the 30s and a wintry mix as the polar vortex and ...

The polar vortex is sending arctic blasts and chilly temperatures to most of the United States, and states from Texas to Oklahoma could see snow, sleet and ice. As of Wednesday, Jan. 21, millions of ...

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

As another winter storm hits Western North Carolina and other regions, here's what to know about deciphering forecaster terms.

As the National Weather Service explains, the polar vortex is an area of low pressure and cold air that exists over both of Earth’s poles 10 to 30 miles above the surface. The term vortex is used to ...