The world can expect fewer severe cold events as average temperatures rise, but people still need to be prepared for wintery blasts.
Extreme cold still happens in a warming world
What on Earth is a polar vortex? And what's global warming got to do with it? » Yale Climate Connections
Polar vortex – News, Research and Analysis – The Conversation – page 1
Nashville, TN bachelorettes keep the party going despite freezing temperatures
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Meteorology research: Weak polar vortex makes weather more predictable
Researchers see an increase in the number of extreme cold days in North China during 2003–2012
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Extreme cold still happens in a warming world
Why we still have brutal cold snaps even as the planet warms to record levels
Extreme cold still happens in a warming world – in fact climate instability may be disrupting the polar vortex