Data from the 2019 polar vortex, which primarily affected the northern Midwest, showed a similar 20% increase in energy ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., ...

Temperatures plunged into the teens and single digits in some spots, and the snow-dusted winds are driving the wind chill ...

Storm Blair has hit most of the U.S., bringing freezing temperatures to Texas. Precipitation later this week could mean snow ...

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...

ROCHESTER, N.Y. — People across the country and the Rochester area are feeling the impact of the polar vortex. While the polar vortex typically stays in the Arctic, its jet stream could weaken in the ...

The United States continued to freeze through a polar vortex that brought rare cold to the southern United States and chances ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it?

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., ...

Much of the U.S. is being blasted by ice, snow and wind, as the polar vortex that dipped south over the weekend is keeping an ...