{"id":15461,"date":"2026-06-26T15:07:12","date_gmt":"2026-06-26T15:07:12","guid":{"rendered":"https:\/\/8657085.xyz\/?p=15461"},"modified":"2026-06-26T15:07:12","modified_gmt":"2026-06-26T15:07:12","slug":"european-heatwaves-unlikely-accomplice-an-ocean-cold-blob","status":"publish","type":"post","link":"https:\/\/8657085.xyz\/?p=15461","title":{"rendered":"European heatwave&#8217;s unlikely accomplice: an ocean &#8216;cold blob&#8217;"},"content":{"rendered":"<p> <div style=\"display: grid; grid-template-columns: 300px 160px; gap: 2px; width: 460px; background: #eee; padding: 2px;\">\r\n\r\n  <!-- \u6574\u884c\u5bbd\u5e7f\u544a -->\r\n  <div style=\"grid-column: 1\/-1; width: 460px; height: 250px; background: #ccc; display: grid; place-items: center;\">\r\n  <script async type=\"application\/javascript\" src=\"https:\/\/a.magsrv.com\/ad-provider.js\"><\/script> \r\n <ins class=\"eas6a97888e2\" data-zoneid=\"5876674\"><\/ins> \r\n <script>(AdProvider = window.AdProvider || []).push({\"serve\": {}});<\/script>\r\n  <\/div>\r\n  <div style=\"grid-column: 1\/-1; width: 460px; height: 90px; background: #ccc; display: grid; place-items: center;\">\r\n  <script async type=\"application\/javascript\" src=\"https:\/\/a.magsrv.com\/ad-provider.js\"><\/script> \r\n <ins class=\"eas6a97888e2\" data-zoneid=\"5876676\"><\/ins> \r\n <script>(AdProvider = window.AdProvider || []).push({\"serve\": {}});<\/script>\r\n  <\/div>\r\n\r\n  <!-- \u5de6\u4fa7\u7ad6\u6392 -->\r\n  <div style=\"height: 250px; background: #ccc; display: grid; place-items: center;\">\r\n  <script async type=\"application\/javascript\" src=\"https:\/\/a.magsrv.com\/ad-provider.js\"><\/script> \r\n <ins class=\"eas6a97888e2\" data-zoneid=\"5876672\"><\/ins> \r\n <script>(AdProvider = window.AdProvider || []).push({\"serve\": {}});<\/script>\r\n  <\/div>\r\n  <div style=\"height: 500px; background: #ccc; display: grid; place-items: center;\">\r\n  <script async type=\"application\/javascript\" src=\"https:\/\/a.magsrv.com\/ad-provider.js\"><\/script> \r\n <ins class=\"eas6a97888e2\" data-zoneid=\"5876680\"><\/ins> \r\n <script>(AdProvider = window.AdProvider || []).push({\"serve\": {}});<\/script>\r\n  <\/div>\r\n\r\n  <!-- \u53f3\u4fa7\u6469\u5929\u697c\uff08\u548c\u5de6\u4fa7\u5b8c\u5168\u5bf9\u9f50\uff09 -->\r\n  <div style=\"grid-row: 3\/5; height: 750px; background: #ccc; display: grid; place-items: center;\">\r\n  <script async type=\"application\/javascript\" src=\"https:\/\/a.magsrv.com\/ad-provider.js\"><\/script> \r\n <ins class=\"eas6a97888e2\" data-zoneid=\"5876678\"><\/ins> \r\n <script>(AdProvider = window.AdProvider || []).push({\"serve\": {}});<\/script>\r\n  <\/div>\r\n  \r\n  <script async type=\"application\/javascript\" src=\"https:\/\/a.magsrv.com\/ad-provider.js\"><\/script> \r\n <ins class=\"eas6a97888e6\" data-zoneid=\"5876682\"><\/ins> \r\n <script>(AdProvider = window.AdProvider || []).push({\"serve\": {}});<\/script>\r\n<\/div><br \/>\n<\/p>\n<div style=\"padding-right:0;padding-left:0\">\n<p>The heatwave battering Europe may have an unlikely partner-in-crime: a patch of cold ocean water south of Iceland and Greenland that can influence weather patterns over the continent.<\/p>\n<p>Often called the \u201ccold blob\u201d, this swath of water in the North Atlantic has bucked the global warming trend, cooling even as the planet\u2019s temperatures rise due to human-induced climate change.<\/p>\n<p>A recent study reinforced concerns that it could signal a weakening of a key Atlantic Ocean current system that helps regulate the planet\u2019s climate.<\/p>\n<p>A shutdown of this conveyor belt of ocean currents, known as Atlantic Meridional Overturning Circulation (AMOC), could potentially lead to harsher winters in northern Europe in the future, scientists say.<\/p>\n<p>But researchers have also explored the cold blob\u2019s connection to heatwaves in Europe, finding that extreme hot spells have coincided with periods when these waters west of Britain were unusually cold.<\/p>\n<p>\u201cA cold Atlantic doesn\u2019t necessarily mean a colder Europe,\u201d Gerard McCarthy, oceanographer at Ireland\u2019s Maynooth University, told AFP.<\/p>\n<p>\u201cThat cold isn\u2019t a kind of a get-out-of-jail-free card in terms of global warming. Some of the hot extremes can actually be exacerbated by this cold blob in the Atlantic,\u201d McCarthy said.<\/p>\n<p>\u2013 Heat dome \u2013<\/p>\n<p>Greenhouse gas emissions are the main driver of climate change, which has made heatwaves more frequent and intense.<\/p>\n<p>But several factors have made Europe the planet\u2019s fastest-warming continent, including changes in atmospheric circulation and melting ice.<\/p>\n<p>Studies suggest the cold blob influences atmospheric circulation by altering the path and speed of the jet stream that flows west to east across the continent.<\/p>\n<p>When cooler and warmer waters meet, the sharp contrast changes the air above, making the jet stream wavier and slower, according to researchers.<\/p>\n<p>These changes can create conditions for high-pressure systems that park over Europe, such as the \u201cheat dome\u201d searing the continent this week.<\/p>\n<p>Marilena Oltmanns, an ocean and climate physicist, pointed to recent data showing a strong cold anomaly currently present in the subpolar North Atlantic, creating a front that \u201cacts like a guide\u201d for the winds and the jet stream.<\/p>\n<p>\u201cThe jet stream \u2026 bends northward and flows northward around Europe instead of crossing it. As a result, a heat dome emerges over Europe,\u201d Oltmanns told AFP.<\/p>\n<p>Oltmanns, a professor at the University of Bremen in Germany, led a 2024 study showing that the melting of Greenland ice pours freshwater into the ocean, creating colder surface waters in the North Atlantic.<\/p>\n<p>\u201cThe chain of events, starting from the meltwater and the North Atlantic cold blob, then leading to changes in the ocean and atmospheric circulations, makes Europe heat up more quickly than other parts of the world in summer,\u201d she told AFP.<\/p>\n<p>A 2016 study suggested that cold Atlantic anomalies were a \u201ccommon precursor\u201d to major heatwaves that had hit Europe since the 1980s.<\/p>\n<p>Another paper published in 2023 ran computer simulations \u2014 with and without the cold blob \u2014 to see if the anomaly had an influence on European heatwaves.<\/p>\n<p>\u201cWith this cold anomaly, we have longer and more intense heatwaves in Europe,\u201d that study\u2019s lead author Sabine Bischof, researcher at Germany\u2019s GEOMAR Helmholtz Centre for Ocean Research Kiel, told AFP.<\/p>\n<p>\u2013 \u2018Very worried\u2019 \u2013<\/p>\n<p>While worldwide sea surface temperatures have increased by 1C on average since 1900, the cold blob region has cooled by up to 0.9C, according to a 2019 study.<\/p>\n<p>Research published last month sought to settle a scientific debate over whether the loss of heat from the sea surface or a weakening AMOC were behind the cold blob.<\/p>\n<p>\u201cWe find that this famous \u2018cold blob\u2019 in the northern Atlantic is caused by ocean currents bringing less heat into this region, and not by more heat lost through the sea surface there,\u201d the study\u2019s lead author, Stefan Rahmstorf, told AFP.<\/p>\n<p>The AMOC carries warm tropical waters to the Northern Hemisphere, where they cool, become denser and sink before returning southward at depth.<\/p>\n<p>Scientists broadly agree the AMOC is weakening with warming, but debate persists over how fast it could slow and whether a collapse is possible this century.<\/p>\n<p>Rahmstorf, head of Earth system analysis at the Potsdam Institute for Climate Impact Research, used to be sceptical about the risk of an AMOC shutdown.<\/p>\n<p>But he now gives it an over 50 percent chance of happening.<\/p>\n<p>A shutdown would have dire consequences: tougher European winters, droughts in South Asia and parts of Africa, and higher sea levels around the North Atlantic.<\/p>\n<p>\u201cI am very worried,\u201d Rahmstorf said.\u00a0\u201cThe consequences of an AMOC shutdown would be massive in many parts of the world.\u201d<\/p>\n<\/div>\n<p><!-- \u603b\u5bb9\u5668\uff1a\u6700\u5927\u5bbd908px Grid\u7d27\u51d1\u5e03\u5c40 -->\r\n<div style=\"display: grid; grid-template-columns: 728px 160px; gap:2px; width:908px; background:#eee; padding:2px;\">\r\n\r\n  <!-- \u901a\u680f\u9876\u90e8\uff1a\u6700\u5927\u6a2a\u5e45 908x258 \u8de8\u6574\u884c -->\r\n  <div style=\"grid-column:1\/-1; height:258px; background:#ff6b6b; display:grid; place-items:center;\">\r\n    <!-- JuicyAds v3.0 -->\r\n<script type=\"text\/javascript\" data-cfasync=\"false\" async src=\"https:\/\/poweredby.jads.co\/js\/jads.js\"><\/script>\r\n<ins id=\"1114307\" data-width=\"908\" data-height=\"258\"><\/ins>\r\n<script type=\"text\/javascript\" data-cfasync=\"false\" async>(adsbyjuicy = window.adsbyjuicy || []).push({'adzone':1114307});<\/script>\r\n<!--JuicyAds END-->\r\n  <\/div>\r\n\r\n  <!-- \u7b2c\u4e8c\u901a\u680f\uff1a728\u00d790 \u901a\u680f -->\r\n  <div style=\"grid-column:1\/-1; height:90px; background:#4ecdc4; display:grid; place-items:center;\">\r\n    <!-- JuicyAds v3.0 -->\r\n<script type=\"text\/javascript\" data-cfasync=\"false\" async src=\"https:\/\/poweredby.jads.co\/js\/jads.js\"><\/script>\r\n<ins id=\"1114300\" data-width=\"728\" data-height=\"90\"><\/ins>\r\n<script type=\"text\/javascript\" data-cfasync=\"false\" async>(adsbyjuicy = window.adsbyjuicy || []).push({'adzone':1114300});<\/script>\r\n<!--JuicyAds END-->\r\n  <\/div>\r\n\r\n  <!-- \u5de6\u4fa7\u4e3b\u680f\uff1a\u591a\u5e7f\u544a\u5806\u53e0 -->\r\n  <div style=\"display:grid; 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display:grid; place-items:center;\">\r\n\t\r\n<!-- JuicyAds v3.0 -->\r\n<script type=\"text\/javascript\" data-cfasync=\"false\" async src=\"https:\/\/poweredby.jads.co\/js\/jads.js\"><\/script>\r\n<ins id=\"1114303\" data-width=\"125\" data-height=\"125\"><\/ins>\r\n<script type=\"text\/javascript\" data-cfasync=\"false\" async>(adsbyjuicy = window.adsbyjuicy || []).push({'adzone':1114303});<\/script>\r\n<!--JuicyAds END-->\r\n\t<\/div>\r\n  <\/div>\r\n\r\n  <!-- \u53f3\u4fa7\u7ad6\u680f\uff1a160\u00d7600 \u6574\u5217\u9ad8\u5e7f\u544a -->\r\n  <div style=\"grid-row:3\/8; height:600px;  display:grid; place-items:center;\">\r\n    <!-- JuicyAds v3.0 -->\r\n<script type=\"text\/javascript\" data-cfasync=\"false\" async src=\"https:\/\/poweredby.jads.co\/js\/jads.js\"><\/script>\r\n<ins id=\"1114301\" data-width=\"160\" data-height=\"600\"><\/ins>\r\n<script type=\"text\/javascript\" data-cfasync=\"false\" async>(adsbyjuicy = window.adsbyjuicy || []).push({'adzone':1114301});<\/script>\r\n<!--JuicyAds END-->\r\n  <\/div>\r\n\r\n<\/div><br \/>\n<br \/> European heatwave&#8217;s unlikely accomplice: an ocean &#8216;cold blob&#8217;<br \/>\n<br \/>#European #heatwaves #accomplice #ocean #cold #blob<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The heatwave battering Europe may have an unlikely partner-in-crime: a patch of cold ocean water&#8230;<\/p>\n","protected":false},"author":1,"featured_media":15462,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[13323,13324,1622,3211,13322,4923],"class_list":["post-15461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stories","tag-accomplice","tag-blob","tag-cold","tag-european","tag-heatwaves","tag-ocean"],"featured_image_urls":{"full":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a.jpg",768,511,false],"thumbnail":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a-150x150.jpg",150,150,true],"medium":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a-300x200.jpg",300,200,true],"medium_large":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a.jpg",640,426,false],"large":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a.jpg",640,426,false],"1536x1536":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a.jpg",768,511,false],"2048x2048":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a.jpg",768,511,false],"covernews-slider-full":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a.jpg",768,511,false],"covernews-slider-center":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a-768x500.jpg",768,500,true],"covernews-featured":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a.jpg",768,511,false],"covernews-medium":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a-540x340.jpg",540,340,true],"covernews-medium-square":["https:\/\/8657085.xyz\/wp-content\/uploads\/2026\/06\/4c45642efc4bb2b0b47e4a02f4d2cc590a34be9a-400x250.jpg",400,250,true]},"author_info":{"display_name":"admin","author_link":"https:\/\/8657085.xyz\/?author=1"},"category_info":"<a href=\"https:\/\/8657085.xyz\/?cat=7\" rel=\"category\">Stories<\/a>","tag_info":"Stories","comment_count":"0","_links":{"self":[{"href":"https:\/\/8657085.xyz\/index.php?rest_route=\/wp\/v2\/posts\/15461","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8657085.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/8657085.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/8657085.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8657085.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15461"}],"version-history":[{"count":0,"href":"https:\/\/8657085.xyz\/index.php?rest_route=\/wp\/v2\/posts\/15461\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/8657085.xyz\/index.php?rest_route=\/wp\/v2\/media\/15462"}],"wp:attachment":[{"href":"https:\/\/8657085.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/8657085.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/8657085.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}