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  Role of atmospheric resonance and land–atmosphere feedbacks as a precursor to the June 2021 Pacific Northwest Heat Dome event

Li, X., Mann, M. E., Wehner, M. F., Rahmstorf, S., Petri, S., Christiansen, S., Carrillo, J. (2024): Role of atmospheric resonance and land–atmosphere feedbacks as a precursor to the June 2021 Pacific Northwest Heat Dome event. - Proceedings of the National Academy of Sciences of the United States of America (PNAS), 121, 4, e2315330121.
https://doi.org/10.1073/pnas.2315330121

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Item Permalink: https://publications.pik-potsdam.de/pubman/item/item_29484 Version Permalink: https://publications.pik-potsdam.de/pubman/item/item_29484_1
Genre: Journal Article

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 Creators:
Li, Xueke1, Author
Mann, Michael E.1, Author
Wehner, Michael F.1, Author
Rahmstorf, Stefan2, Author              
Petri, Stefan2, Author              
Christiansen, Shannon1, Author
Carrillo, Judit1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: We demonstrate an indirect, rather than direct, role of quasi-resonant amplification of planetary waves in a summer weather extreme. We find that there was an interplay between a persistent, amplified large-scale atmospheric circulation state and soil moisture feedbacks as a precursor for the June 2021 Pacific Northwest “Heat Dome” event. An extended resonant planetary wave configuration prior to the event created an antecedent soil moisture deficit that amplified lower atmospheric warming through strong nonlinear soil moisture feedbacks, favoring this unprecedented heat event.

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Language(s): eng - English
 Dates: 2024-01-162024-01-162024-01-16
 Publication Status: Finally published
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1073/pnas.2315330121
PIKDOMAIN: RD1 - Earth System Analysis
Organisational keyword: RD1 - Earth System Analysis
MDB-ID: No data to archive
Research topic keyword: Atmosphere
Research topic keyword: Extremes
Regional keyword: North America
Model / method: Nonlinear Data Analysis
OATYPE: Hybrid Open Access
 Degree: -

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Title: Proceedings of the National Academy of Sciences of the United States of America (PNAS)
Source Genre: Journal, SCI, Scopus, p3
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Pages: - Volume / Issue: 121 (4) Sequence Number: e2315330121 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals410
Publisher: National Academy of Sciences (NAS)