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Divergent consensuses on Arctic amplification influence on midlatitude severe winter weather

Cohen, J. ; Zhang, X. ; Francis, J. ; Jung, T. ; Kwok, R. ; Overland, J. ; Ballinger, T. J. ; Bhatt, U. S. ; Chen, H. W. LU and Coumou, D. , et al. (2020) In Nature Climate Change 10. p.20-29
Abstract

The Arctic has warmed more than twice as fast as the global average since the late twentieth century, a phenomenon known as Arctic amplification (AA). Recently, there have been considerable advances in understanding the physical contributions to AA, and progress has been made in understanding the mechanisms that link it to midlatitude weather variability. Observational studies overwhelmingly support that AA is contributing to winter continental cooling. Although some model experiments support the observational evidence, most modelling results show little connection between AA and severe midlatitude weather or suggest the export of excess heating from the Arctic to lower latitudes. Divergent conclusions between model and observational... (More)

The Arctic has warmed more than twice as fast as the global average since the late twentieth century, a phenomenon known as Arctic amplification (AA). Recently, there have been considerable advances in understanding the physical contributions to AA, and progress has been made in understanding the mechanisms that link it to midlatitude weather variability. Observational studies overwhelmingly support that AA is contributing to winter continental cooling. Although some model experiments support the observational evidence, most modelling results show little connection between AA and severe midlatitude weather or suggest the export of excess heating from the Arctic to lower latitudes. Divergent conclusions between model and observational studies, and even intramodel studies, continue to obfuscate a clear understanding of how AA is influencing midlatitude weather.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Nature Climate Change
volume
10
pages
10 pages
publisher
Nature Publishing Group
external identifiers
  • scopus:85077169689
ISSN
1758-678X
DOI
10.1038/s41558-019-0662-y
language
English
LU publication?
yes
id
16b82b99-0f95-451e-b5e4-10d307d8b121
date added to LUP
2020-01-13 09:40:29
date last changed
2022-04-18 19:54:34
@article{16b82b99-0f95-451e-b5e4-10d307d8b121,
  abstract     = {{<p>The Arctic has warmed more than twice as fast as the global average since the late twentieth century, a phenomenon known as Arctic amplification (AA). Recently, there have been considerable advances in understanding the physical contributions to AA, and progress has been made in understanding the mechanisms that link it to midlatitude weather variability. Observational studies overwhelmingly support that AA is contributing to winter continental cooling. Although some model experiments support the observational evidence, most modelling results show little connection between AA and severe midlatitude weather or suggest the export of excess heating from the Arctic to lower latitudes. Divergent conclusions between model and observational studies, and even intramodel studies, continue to obfuscate a clear understanding of how AA is influencing midlatitude weather.</p>}},
  author       = {{Cohen, J. and Zhang, X. and Francis, J. and Jung, T. and Kwok, R. and Overland, J. and Ballinger, T. J. and Bhatt, U. S. and Chen, H. W. and Coumou, D. and Feldstein, S. and Gu, H. and Handorf, D. and Henderson, G. and Ionita, M. and Kretschmer, M. and Laliberte, F. and Lee, S. and Linderholm, H. W. and Maslowski, W. and Peings, Y. and Pfeiffer, K. and Rigor, I. and Semmler, T. and Stroeve, J. and Taylor, P. C. and Vavrus, S. and Vihma, T. and Wang, S. and Wendisch, M. and Wu, Y. and Yoon, J.}},
  issn         = {{1758-678X}},
  language     = {{eng}},
  pages        = {{20--29}},
  publisher    = {{Nature Publishing Group}},
  series       = {{Nature Climate Change}},
  title        = {{Divergent consensuses on Arctic amplification influence on midlatitude severe winter weather}},
  url          = {{http://dx.doi.org/10.1038/s41558-019-0662-y}},
  doi          = {{10.1038/s41558-019-0662-y}},
  volume       = {{10}},
  year         = {{2020}},
}