‘Temperatures ranging from 10 to 20 degrees below normal may make an average week during the winter season itself a challenge ...

A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

A powerful Arctic blast is sending temperatures plunging across the U.S., raising concerns about safety, energy demand, and ...

Arctic air originates near the polar regions and is among the coldest air masses on Earth. It typically stays locked in ...

What is sudden stratospheric warming? Sudden Stratospheric Warming (SSW) events occur during the winter months and can lead to Arctic outbreaks across the US. They have to do with the polar vortex and ...

First, instead of moving storms quickly eastward, the sluggish jet stream stalled storm systems in place, causing prolonged downpours and flash flooding. When you purchase through links on our site, ...