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The roles of static stability and tropical-extratropical interactions in the summer interannual variability of the North Atlantic sector

Abstract:

Summer seasonal forecast skill in the North Atlantic sector is lower than winter skill. To identify potential controls on predictability, the sensitivity of North Atlantic baroclinicity to atmospheric drivers is quantified. Using ERA-INTERIM reanalysis data, North Atlantic storm-track baroclinicity is shown to be less sensitive to meridional temperature-gradient variability in summer. Static stability shapes the sector’s interannual variability by modulating the sensitivity of baroclinicity t...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1007/s00382-018-4192-5

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Atmos Ocean & Planet Physics
Oxford college:
Brasenose College
Woollings, T More by this author
Hodges, KI More by this author
Publisher:
Springer Verlag Publisher's website
Journal:
Climate Dynamics Journal website
Volume:
52
Issue:
3-4
Pages:
1299–1315
Publication date:
2018-04-02
Acceptance date:
2018-03-25
DOI:
EISSN:
1432-0894
ISSN:
0930-7575
Pubs id:
pubs:831681
URN:
uri:74d920f3-ef60-4dfb-a1cd-6a33a8553ac1
UUID:
uuid:74d920f3-ef60-4dfb-a1cd-6a33a8553ac1
Local pid:
pubs:831681

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