Articles | Volume 11, issue 1
https://doi.org/10.5194/esd-11-97-2020
https://doi.org/10.5194/esd-11-97-2020
Research article
 | 
10 Feb 2020
Research article |  | 10 Feb 2020

Amplified warming of seasonal cold extremes relative to the mean in the Northern Hemisphere extratropics

Mia H. Gross, Markus G. Donat, Lisa V. Alexander, and Steven C. Sherwood

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Cited articles

Ayarzagüena, B. and Screen, J. A.: Future Arctic sea ice loss reduces severity of cold air outbreaks in midlatitudes, Geophys. Res. Lett., 43, 2801–2809, https://doi.org/10.1002/2016GL068092, 2016. 
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Blackport, R., Screen, J. A., van der Wiel, K., and Bintanja, R.: Minimal influence of reduced Arctic sea ice on coincident cold winters in mid-latitudes, Nat. Clim. Change, 9, 697–704, https://doi.org/10.1038/s41558-019-0551-4, 2019. 
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Brutel-Vuilmet, C., Ménégoz, M., and Krinner, G.: An analysis of present and future seasonal Northern Hemisphere land snow cover simulated by CMIP5 coupled climate models, The Cryosphere, 7, 67–80, https://doi.org/10.5194/tc-7-67-2013, 2013. 
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Short summary
This study explores the amplified warming of cold extremes relative to average temperatures for both the recent past and future in the Northern Hemisphere and the possible physical processes that are driving this. We find that decreases in snow cover and warmer-than-usual winds are driving the disproportionate rates of warming in cold extremes relative to average temperatures. These accelerated warming rates in cold extremes have implications for tourism, insect longevity and human health.
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