How climate change is behind this week’s extreme cold snap

Jan 31, 2019

A recent Intergovernmental Panel on Climate Change report found the Arctic is warming two to three times faster than anywhere else on Earth. This temperature difference upsets the stability of the jet stream. And that brings the cold Arctic air southward where it can linger, a result that meteorologists call a blocking pattern.

Nicole Mortillaro, CBC News

Click here to read story