We are halfway through winter and after an exceptionally warm start, North America’s winter is transitioning toward more predictable patterns with La Niña.

When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

Another chilly and cloudy start to the day with more light showers possible through the morning. A stalled frontal boundary ...

Parts of the Gulf Coast measured a foot of snow on Tuesday. For many cities the totals obliterate long-standing snowfall ...

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit ...

The amount of snow the Gulf Coast States received makes this weather system the worst winter storm in over 120 years. Before ...

An Arctic blast arrived in central Ohio on Monday, bringing with it the coldest air that central Ohio has felt in more than ...

Part of Mississippi under extreme cold warning after winter storm dropped snow across the Gulf Coast. When will temperatures ...

This cold was certainly extraordinary, but the polar vortex event of January 2019 brought life in the northern and central United States to a frozen halt. At that time in our area, the coldest actual ...

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...