Synergistic effect of boreal autumn SST over the tropical and South Pacific and winter NAO on winter precipitation in the southern Europe

Synergistic effect of boreal autumn SST over the tropical and South Pacific and winter NAO on winter precipitation in the southern Europe | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Synergistic effect of boreal autumn SST over the tropical and South Pacific and winter NAO on winter precipitation in the southern Europe Jianping Li, Xinxin Tang This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3881670/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 23 Mar, 2024 Read the published version in npj Climate and Atmospheric Science → Version 1 posted 10 You are reading this latest preprint version Abstract We find a positive phase of meridional tripole pattern of boreal autumn sea surface temperature anomalies over the tropical and South Pacific (TSPT+) can persist into winter and have a synergistic effect with negative NAO (NAO-) on the amplitude and occurrence of winter precipitation in southern Europe (SEWP). This synergistic effect is attributed to the linear superposition and nonlinear effect of NAO- and TSPT+. The TSPT+ with NAO- occur can stimulate a greater amount of Rossby wave energy propagating to the North Atlantic and Europe (NAE) region than without NAO- occur, and thereby synergistically regulating circulation with NAO-. Thus, NAO- and TSPT+ have a synergistic effect on the northwest-southeast trending positive-negative-positive circulation over the NAE region. Driven by the intensified mean circulation, water vapor transports and storm activity over southern Europe is evidently strong, which is important to precipitation formation over southern Europe. Earth and environmental sciences/Climate sciences/Atmospheric science/Atmospheric dynamics Earth and environmental sciences/Climate sciences/Climate change/Attribution Full Text Additional Declarations (Not answered) Cite Share Download PDF Status: Published Journal Publication published 23 Mar, 2024 Read the published version in npj Climate and Atmospheric Science → Version 1 posted Editorial decision: revise 20 Feb, 2024 Review # 3 received at journal 18 Feb, 2024 Review # 2 received at journal 01 Feb, 2024 Reviewer # 3 agreed at journal 25 Jan, 2024 Reviewer # 2 agreed at journal 24 Jan, 2024 Reviewer # 1 agreed at journal 23 Jan, 2024 Reviewers invited by journal 22 Jan, 2024 Editor assigned by journal 22 Jan, 2024 Submission checks completed at journal 22 Jan, 2024 First submitted to journal 20 Jan, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-3881670","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":268522279,"identity":"8f69d393-398c-46d8-8d10-bd3b90dcf501","order_by":0,"name":"Jianping Li","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAoklEQVRIiWNgGAWjYBACPoYDjA8gzAQitbAxHGA2IFULA5sEiVoYzx6r+Nhmx8DPnmPA8HMHUbacS7s5sy2ZQbLnjQFj7xmitJwxu83bdoDB4EaOATNjG5FaikFa7EnSwgy2RYJ4LeeSJWecS+aROPOs4GAvMVr4Jc4e/PChzE6Ovz1544OfxGhhkIAEEg+IOECMBqA1PcSpGwWjYBSMghEMAH6nMPA/o1HAAAAAAElFTkSuQmCC","orcid":"https://orcid.org/0000-0003-0625-1575","institution":"Frontiers Science Center for Deep Ocean Multispheres and Earth System (FDOMES)/Key Laboratory of Physical Oceanography/Institute for Advanced Ocean Studies, Ocean University of China","correspondingAuthor":true,"prefix":"","firstName":"Jianping","middleName":"","lastName":"Li","suffix":""},{"id":268522280,"identity":"c5aef5c8-ed78-474c-a115-863aaaf7eb3a","order_by":1,"name":"Xinxin Tang","email":"","orcid":"","institution":"Ocean University of Chian","correspondingAuthor":false,"prefix":"","firstName":"Xinxin","middleName":"","lastName":"Tang","suffix":""}],"badges":[],"createdAt":"2024-01-20 13:40:10","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-3881670/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-3881670/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1038/s41612-024-00628-y","type":"published","date":"2024-03-23T04:00:00+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":53325650,"identity":"9fe06b14-3fe0-440f-b80c-a44a81a6e0fd","added_by":"auto","created_at":"2024-03-24 07:05:52","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":2929557,"visible":true,"origin":"","legend":"Article File","description":"","filename":"manuscriptnpj.pdf","url":"https://assets-eu.researchsquare.com/files/rs-3881670/v1_covered_36489c1c-1a55-4142-992d-82d15accc2fc.pdf"}],"financialInterests":"(Not answered)","formattedTitle":"Synergistic effect of boreal autumn SST over the tropical and South Pacific and winter NAO on winter precipitation in the southern Europe","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"npj-climate-and-atmospheric-science","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"npjclimatsci","sideBox":"Learn more about [npj Climate and Atmospheric Science](http://www.nature.com/npjclimatsci/)","snPcode":"41612","submissionUrl":"https://submission.springernature.com/new-submission/41612/3","title":"npj Climate and Atmospheric Science","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"stoa","reportingPortfolio":"NPJ","inReviewEnabled":true,"inReviewRevisionsEnabled":true},"keywords":"","lastPublishedDoi":"10.21203/rs.3.rs-3881670/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-3881670/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"We find a positive phase of meridional tripole pattern of boreal autumn sea surface temperature anomalies over the tropical and South Pacific (TSPT+) can persist into winter and have a synergistic effect with negative NAO (NAO-) on the amplitude and occurrence of winter precipitation in southern Europe (SEWP). 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