We already know that #ClimateChange is responsible for a large *decrease* in extreme cold (& increase in extreme heat) globally. But it is *possible* that changes in #Arctic could shift atmospheric wind patterns in a way that favors occasional extreme cold events in some regions. https://twitter.com/Weather_West/status/1362267556963184642
Even if this ends up being the case, it will likely end up *slowing the rate at which extreme cold snaps decrease* in such regions, rather than increase their overall frequency/severity in warming climate. Our work from 2017 hints at this. @ClimateChirper https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2016JD025116
Recent amplification of the North American winter temperature dipole

U.S. warm‐West/cool‐East dipole events associated with large circulation anomalies across the Northern Hemisphere mid‐latitudes Historical increase in dipole events linked to increasing frequency o...

https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2016JD025116
And I just came across this brand new work that suggests makes an even more explicit claim in this direction: https://journals.ametsoc.org/view/journals/bams/102/1/BAMS-D-20-0171.1.xml
Quantifying Human-Induced Dynamic and Thermodynamic Contributions to Severe Cold Outbreaks Like...

"Quantifying Human-Induced Dynamic and Thermodynamic Contributions to Severe Cold Outbreaks Like November 2019 in the Eastern United States" published on Jan 2021 by American Meteorological Society.

https://journals.ametsoc.org/view/journals/bams/102/1/BAMS-D-20-0171.1.xml
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