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The increasing frequency and intensity of these events underscore the critical need to understand regional\u2010scale mechanisms and feedback, exacerbating or mitigating heatwave magnitude. Here, we use an ensemble of convection\u2010permitting regional climate models (CPRCMs) to elucidate future heatwave changes at fine spatial scales. We explore whether the recently highlighted drier\/warmer signal introduced by CPRCMs improves summer temperature extremes representation and if it modulates future heatwave changes compared to convection\u2010parameterizing regional climate models (RCMs). In historical runs, CPRCMs show a more realistic representation of summer maximum temperature especially on a ground\u2010station\u2010based evaluation. CPRCMs project substantially drier conditions than RCMs. This is associated with a modulation of heatwave temperature changes which show diversified spatial patterns, magnitudes, and signs. CPRCMs ensemble shows an overall reduction in heatwave metrics future changes inter\u2010model spread compared to the RCMs ensemble.<\/jats:p>","DOI":"10.1029\/2024gl111147","type":"journal-article","created":{"date-parts":[[2025,1,13]],"date-time":"2025-01-13T02:45:18Z","timestamp":1736736318000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Heatwave Future Changes From an Ensemble of Km\u2010Scale Regional Climate Simulations Within CORDEX\u2010FPS Convection"],"prefix":"10.1029","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8838-1391","authenticated-orcid":false,"given":"L.","family":"Sangelantoni","sequence":"first","affiliation":[{"name":"CMCC Foundation \u2010 Euro\u2010Mediterranean Center on Climate Change  Bologna Italy"}]},{"given":"S. P.","family":"Sobolowski","sequence":"additional","affiliation":[{"name":"NORCE Norwegian Research Centre  Bergen Norway"},{"name":"Geophysical Institute University of Bergen  Bergen Norway"},{"name":"Bjerknes Centre for Climate Research  Bergen Norway"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9155-5874","authenticated-orcid":false,"given":"P. M. M.","family":"Soares","sequence":"additional","affiliation":[{"name":"Universidade de Lisboa Faculdade de Ci\u00eancias Instituto Dom Luiz  Lisbon Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4208-3444","authenticated-orcid":false,"given":"K.","family":"Goergen","sequence":"additional","affiliation":[{"name":"Institute of Bio\u2010 and Geosciences (IBG\u20103 Agrosphere) Research Centre J\u00fclich  J\u00fclich Germany"},{"name":"Centre for High\u2010Performance Scientific Computing in Terrestrial Systems  J\u00fclich Germany"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0259-6827","authenticated-orcid":false,"given":"R. M.","family":"Cardoso","sequence":"additional","affiliation":[{"name":"Universidade de Lisboa Faculdade de Ci\u00eancias Instituto Dom Luiz  Lisbon Portugal"}]},{"given":"M.","family":"Adinolfi","sequence":"additional","affiliation":[{"name":"CMCC Foundation \u2010 Euro\u2010Mediterranean Center on Climate Change  Bologna Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9490-0840","authenticated-orcid":false,"given":"A.","family":"Dobler","sequence":"additional","affiliation":[{"name":"Norwegian Meteorological Institute  Oslo Norway"}]},{"given":"E.","family":"Katragkou","sequence":"additional","affiliation":[{"name":"Department of Meteorology and Climatology School of Geology Aristotle University of Thessaloniki  Thessaloniki Greece"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7987-4744","authenticated-orcid":false,"given":"E.","family":"Scoccimarro","sequence":"additional","affiliation":[{"name":"CMCC Foundation \u2010 Euro\u2010Mediterranean Center on Climate Change  Bologna Italy"}]},{"given":"R.","family":"Ferretti","sequence":"additional","affiliation":[{"name":"University of L\u2019Aquila Department of Physics and Chemical Sciences  L\u2019Aquila Italy"},{"name":"CETEMPS (Center of Excellence in Telesensing of Environment and Model Prediction of Severe Events)  L\u2019Aquila Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1958-2795","authenticated-orcid":false,"given":"M.","family":"T\u00f6lle","sequence":"additional","affiliation":[{"name":"CESR (Center for Environmental Systems Research) University of Kassel  Kassel Germany"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6987-7351","authenticated-orcid":false,"given":"H.","family":"Feldmann","sequence":"additional","affiliation":[{"name":"Institute of Meteorology and Climate Research (IMKTRO)  Karlsruhe Germany"}]}],"member":"13","published-online":{"date-parts":[[2025,1,12]]},"reference":[{"key":"e_1_2_7_1_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598\u2010023\u201048861\u20104"},{"key":"e_1_2_7_1_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00382\u2010021\u201005708\u2010w"},{"key":"e_1_2_7_1_4_1","doi-asserted-by":"publisher","DOI":"10.1029\/2020GL092171"},{"key":"e_1_2_7_1_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.2517-6161.1995.tb02031.x"},{"key":"e_1_2_7_1_6_1","doi-asserted-by":"publisher","DOI":"10.1029\/2018JD028378"},{"key":"e_1_2_7_1_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00382\u2010018\u20104521\u20108"},{"key":"e_1_2_7_1_8_1","doi-asserted-by":"publisher","DOI":"10.5194\/gi\u20105\u2010473\u20102016"},{"key":"e_1_2_7_1_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00382\u2010022\u201006144\u20100"},{"key":"e_1_2_7_1_10_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41612\u2010024\u201000600\u2010w"},{"key":"e_1_2_7_1_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/hyp.14332"},{"key":"e_1_2_7_1_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00382\u2010022\u201006594\u20106"},{"key":"e_1_2_7_1_13_1","doi-asserted-by":"publisher","DOI":"10.1175\/2009JCLI2604.1"},{"key":"e_1_2_7_1_14_1","doi-asserted-by":"publisher","DOI":"10.5194\/gmd\u201016\u20101887\u20102023"},{"key":"e_1_2_7_1_15_1","doi-asserted-by":"publisher","DOI":"10.5194\/esd\u201013\u20101197\u20102022"},{"key":"e_1_2_7_1_16_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598\u2010020\u201065663\u20100"},{"key":"e_1_2_7_1_17_1","doi-asserted-by":"publisher","DOI":"10.1175\/JCLI4253.1"},{"key":"e_1_2_7_1_18_1","doi-asserted-by":"crossref","unstructured":"Polcher J. 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