A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

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 ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

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

Scientists are scrambling to understand how climate change may be interfering with the winds that carry our weather, with ...

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

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

This expert says snowfall in the U.S. South shows'we can’t ignore winter' in changing climate::Houston, Texas:: Bob Henson, ...

We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill ...

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

Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout the Milwaukee area closed as the area braced for the dangerous freezing ...