Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.

The polar vortex is within the stratosphere. Because of the lack of sunlight, both the Earth's poles have substantially cooler temperatures than the equator. This means the air at the poles gets ...

Of interest: Wind advisory in effect for Lower Hudson Valley Thursday, chilly temps through weekend According to AccuWeather, a polar vortex occurs when several low-pressure bursts of cold air move in ...

According to AccuWeather, a polar vortex occurs when several low-pressure bursts of cold air move in from the Arctic Circle. It exists about 15 to 30 miles above the Earth's surface. The air ...

the vortex may slow or “wobble”. In these events, the polar jet stream, which rests around 5 to 9 miles above the Earth’s surface, is influenced, as noted by Climate.gov. As opposed to ...

And if the polar vortex is to blame. First, a quick refresher on the polar vortex. The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located ...

The polar vortex is an area of swirling cold air in the Earth's polar regions. During winter, the polar vortex at the North Pole expands, sending cold air southward, according to the National ...