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 ...

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

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change.

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame.

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

Indiana is track for the coldest January since 2014, but finally warmer air is moving in for the rest of the month. Enjoy ...

Why Polar Vortexes Are Becoming More Common Understanding the Polar Vortex The polar vortex is like a massive whirlpool of ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

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 ...

Polar vortex brings frigid air to US, making Trump's inauguration coldest in 40 years, moved indoors due to cold.

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