{"refrec":{"BRefID":359766,"RR":"<b>Bartusek, S.; Kornhuber, K.; Ting, M.</b> (2022). 2021 North American heatwave amplified by climate change-driven nonlinear interactions. <i>Nat. Clim. Chang. 12(12)</i>: 1143-1150. <a href=\"https://dx.doi.org/10.1038/s41558-022-01520-4\" target=\"_blank\">https://dx.doi.org/10.1038/s41558-022-01520-4</a>","BEntID":357481,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Nat. Clim. Chang. 12(12)</i>: 1143-1150. <a href=\"https://dx.doi.org/10.1038/s41558-022-01520-4\" target=\"_blank\">https://dx.doi.org/10.1038/s41558-022-01520-4</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Bartusek, S.; Kornhuber, K.; Ting, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Bartusek, S.; Kornhuber, K.; Ting, M.","Englishabstract":"Heat conditions in North America in summer 2021 exceeded previous heatwaves by margins many would have considered impossible under current climate conditions. Associated severe impacts highlight the need for understanding the physical drivers of the heatwave and relations to climate change, to improve the projection and prediction of future extreme heat risks. Here, we find that slow- and fast-moving components of the atmospheric circulation interacted, along with regional soil moisture deficiency, to trigger a 5-sigma heat event. Its severity was amplified ~40% by nonlinear interactions between its drivers, probably driven in part by land–atmosphere feedbacks catalysed by long-term regional warming and soil drying. Since the 1950s, global warming has transformed the peak daily regional temperature anomaly of the event from virtually impossible to a presently estimated ~200-yearly occurrence. Its likelihood is projected to increase rapidly with further global warming, possibly becoming a 10-yearly occurrence in a climate 2 °C warmer than the pre-industrial period, which may be reached by 2050.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"2021 North American heatwave amplified by climate change-driven nonlinear interactions","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-01 01:35:50.323243","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2022-12-20","DateCreate":"2022-12-20","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000894490900024","VABBcode":null,"OpenAcc":0,"DOI":"10.1038/s41558-022-01520-4"},"refs":null,"anarec":{"AnaID":359766,"PubliDate":2022,"Pagination":"1143-1150","XtraPublOfAnaID":null,"ISBN":null,"Volume":"12","Issue":"12","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":218223,"SerRR":"Nature Climate Change. Nature Publishing Group: London.  ISSN 1758-678X; e-ISSN 1758-6798","StandardTitleSer":"Nature Climate Change","ISSN":"1758-678X","AbbrevSer":"Nat. Clim. Chang.","StandardTitleMon":null,"StartPage":1143,"Pages":8,"ToPubliDate":null,"BRefBibLvlCode":"S","SerNotes":null},"monrec":null,"serrec":null,"relations":[{"YBRefID":359765,"RefStrFull":"(2022). Analysing the 2021 North American heatwave to understand extraordinary heat events. <i>Nat. Clim. 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