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

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

An Arctic blast that began in the northern plains on Saturday spread bitter cold from the Rockies through the East Coast and ...

It's about to get very, very cold for lots of Americans. A series of blasts of polar vortex air from the north will bring subfreezing temperatures as well as ice and snowstorms to 40 US states ...

NEW ORLEANS -- The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption will stretch Arctic air across the top of the globe and ...

A polar vortex is a stream of cold air that normally spins around the poles high in the stratosphere. The phenomenon, which blasts Arctic air across part of North America, can disrupt weather ...

The beginning of 2025 will be marked by the year’s first polar vortex, bringing snow ... During the year’s second week, the coldest air of the season and dangerous wind chills will affect ...

In seven to 14 days, a blast of arctic air will wash over the eastern half of the United States, forecasters say. There is a “pretty good chance” the vortex will bring with it “significant ...

Basically, the term polar vortex describes a large area of low pressure and cold air that usually sits at both of the Earth’s poles, according to the National Weather Service. It becomes ...

However, there are times in which the polar vortex is disrupted by influxes of warm air. When strong atmospheric waves in the troposphere, the layer in which we live, breach the stratosphere ...

This was issued because of the polar vortex breaking up to our north and that air flow coming to much of the country. Its effect early this week will be felt nationwide except for south Florida.