{"id":251869,"date":"2023-04-08T20:27:18","date_gmt":"2023-04-08T18:27:18","guid":{"rendered":"https:\/\/climatescience.press\/?p=251869"},"modified":"2023-04-08T20:27:27","modified_gmt":"2023-04-08T18:27:27","slug":"researchers-investigate-the-warm-arctic-cold-continent-wacc-climate-theory","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=251869","title":{"rendered":"Researchers investigate the \u201cWarm Arctic-Cold Continent\u201d (WACC) climate theory"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

From Tallbloke’s Talkshop<\/a><\/p>\n\n\n\n

April 6, 2023 by\u00a0oldbrew<\/strong>\u00a0<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Their analysis relates to 1979-2018 only. Media talk of \u2019stranded\u2018 polar bears, not mentioned in the study, ignores the fact that they are talented swimmers<\/a>. The unresolved issue of the wavier jet stream is noted in the study, but that\u2019s all. They admit prediction of where it\u2019s all going is difficult.<\/em>
\u2013 \u2013 \u2013
Pictures of melting glaciers and stranded [?]<\/em> polar bears on shrinking sea ice in the Arctic are perhaps the most striking images that have been used to highlights the effects of global warming, says Phys.org<\/a><\/em>.<\/p>\n\n\n\n

However, they do not convey the full extent of the consequences of warmer Arctic. In recent years, there has been growing recognition of the Arctic\u2019s role in driving extreme weather events in other parts of the world. [Talkshop comment \u2013 dubious assertions]<\/em><\/p>\n\n\n\n

While the Arctic has been warming at a rate twice as fast as the global average, winters in the midlatitude regions have experienced colder and more severe weather events.<\/p>\n\n\n\n

For instance, the winter of 2022-2023 saw record-breaking cold temperatures and snowfall in Japan, China, and Korea. Similarly, many parts of Eurasia and North America have experienced severe cold snaps, with heavy snowfall and prolonged periods of sub-zero temperatures.<\/p>\n\n\n\n

While there are multiple theories for this climate phenomenon, an international team of researchers led by Professor Jin-Ho Yoon from Gwangju Institute of Science and Technology (GIST), Korea set out to examine the relationship between the severe winters in the Northern Hemisphere and the melting sea ice in the Arctic region, a phenomenon referred to as the \u201eWarm Arctic-Cold Continent\u201c (WACC), and how this relationship changed with the warming climate.<\/p>\n\n\n\n

In their study<\/a> published in npj Climate and Atmospheric Science, the researchers looked at historic climate data and turned to climate projection models to explore the potential connection and assess how this phenomenon might be influenced by different global warming scenarios.<\/p>\n\n\n\n

Based on the climate data from the European Center for Medium-Range Weather Forecasting (ECMWF) going back almost 40 years, the researchers correlated winter temperatures in East Asia and North America to the temperatures of the Barents-Kara Sea and the East Siberian-Chukchi Sea in the Arctic region.<\/p>\n\n\n\n

They observed that lower winter temperatures in East Asia and North America are usually accompanied by warmer Arctic Sea temperatures. However, they also found that in some winters, such as the 2017\/18 winter in East Asia, this pattern did not hold, suggesting that this linkage include uncertainty likely due to factors other than Arctic Sea temperatures were at play.<\/p>\n\n\n\n

Nonetheless, using climate projections from the Half degree Additional warming, Prognosis and Projected Impacts (HAPPI) experiments which were targeted to project future climate under 1.5\u00b0C to 2\u00b0C warming scenarios, the researchers found the WACC pattern to persist even when global temperatures rose.<\/p>\n\n\n\n

However, they found that the correlation between the Arctic Sea temperature and the East Asia temperatures became more uncertain with the intensification of global warming.<\/p>\n\n\n\n

Full article\u00a0here<\/a><\/em>.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Arctic warminThe midlatitude regions are experiencing colder and more severe winters as the Arctic region continues to warm. As global temperatures keep rising, the link between extreme winter events in the midlatitude and Arctic warming may become more unstable, challenging the forecast of future extreme winter weather events. Credit: Prof. Jin-Ho Yoon from Gwangju Institute of Science and Technology (GIST), Koreag<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Their analysis relates to 1979-2018 only. Media talk of \u2019stranded\u2018 polar bears, not mentioned in the study, ignores the fact that they are\u00a0talented swimmers. The unresolved issue of the wavier jet stream is noted in the study, but that\u2019s all. They admit prediction of where it\u2019s all going is difficult.<\/p>\n","protected":false},"author":121246920,"featured_media":251876,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_crdt_document":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[691818162],"class_list":{"0":"post-251869","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-uncategorized","8":"tag-arctic-warming","10":"fallback-thumbnail"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/04\/0rachel-arctic-snow-scenery.jpg?fit=1920%2C1080&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-13wp","jetpack-related-posts":[{"id":307317,"url":"https:\/\/climatescience.press\/?p=307317","url_meta":{"origin":251869,"position":0},"title":"Arctic Sea Ice, Polar Bears and Great Barrier Reef Return to the Headlines in Misinformation Blitzkrieg","author":"uwe.roland.gross","date":"12\/03\/2024","format":false,"excerpt":"Details, details. 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