Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

These severe cold events occur when the polar jet stream – the familiar ... But does this cold snap contradict human-caused global warming? As an atmospheric and climate scientist, I can tell ...

The study published by Cohen and his co-authors suggested warming Arctic temperatures have been disrupting the polar vortex more often since 1990 and sending more frequent cold blasts into the U.S ...

But some emerging science suggests that, generally, the polar vortex could be changing as a result of global warming, possibly causing more cold extremes in North America. Warming temperatures at ...

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

As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...

It's a cold air outbreak that some experts say is happening more frequently, and paradoxically, because of a warming world. Such cold air blasts have become known as the polar vortex. It's a long ...

Winter is supposed to be cold—and indeed, in the absence of global warming, the season would ... a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...