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The influence of Arctic amplification on mid-latitude summer circulation

Author

Listed:
  • D. Coumou

    (VU Amsterdam
    Potsdam Institute for Climate Impact Research)

  • G. Di Capua

    (VU Amsterdam
    Potsdam Institute for Climate Impact Research)

  • S. Vavrus

    (University of Wisconsin-Madison)

  • L. Wang

    (Harvard University)

  • S. Wang

    (Utah State University)

Abstract

Accelerated warming in the Arctic, as compared to the rest of the globe, might have profound impacts on mid-latitude weather. Most studies analyzing Arctic links to mid-latitude weather focused on winter, yet recent summers have seen strong reductions in sea-ice extent and snow cover, a weakened equator-to-pole thermal gradient and associated weakening of the mid-latitude circulation. We review the scientific evidence behind three leading hypotheses on the influence of Arctic changes on mid-latitude summer weather: Weakened storm tracks, shifted jet streams, and amplified quasi-stationary waves. We show that interactions between Arctic teleconnections and other remote and regional feedback processes could lead to more persistent hot-dry extremes in the mid-latitudes. The exact nature of these non-linear interactions is not well quantified but they provide potential high-impact risks for society.

Suggested Citation

  • D. Coumou & G. Di Capua & S. Vavrus & L. Wang & S. Wang, 2018. "The influence of Arctic amplification on mid-latitude summer circulation," Nature Communications, Nature, vol. 9(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05256-8
    DOI: 10.1038/s41467-018-05256-8
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    Cited by:

    1. Alok Bhardwaj & Robert J. Wasson & Winston T. L. Chow & Alan D. Ziegler, 2021. "High-intensity monsoon rainfall variability and its attributes: a case study for Upper Ganges Catchment in the Indian Himalaya during 1901–2013," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 105(3), pages 2907-2936, February.
    2. Omid Alizadeh & Morteza Babaei, 2022. "Seasonally dependent precipitation changes and their driving mechanisms in Southwest Asia," Climatic Change, Springer, vol. 171(3), pages 1-16, April.
    3. Elizabeth Stanley, 2021. "Climate Crises and the Creation of ‘Undeserving’ Victims," Social Sciences, MDPI, vol. 10(4), pages 1-14, April.

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