How does a polar vortex form? It's a normal pattern that tends to contain the coldest weather close to the North Pole. A ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid weather.

Winter weather is officially here in Indiana, and for the foreseeable future, it looks like it plans to stick around. Learn ...

The most bone-chilling blasts of cold air experienced in the United States can be blamed on a weather phenomenon that typically dominates a region nearly 3,000 miles away -- all the way north up in ...

This dramatic-sounding phenomenon is a naturally occurring component of the Earth’s atmosphere that can play a huge role in ...

The most bone-chilling blasts of cold air experienced in the United States can be blamed on a weather phenomenon that typically dominates a region nearly 3,000 miles away -- all the way north up in ...