{"id":8796,"date":"2015-10-15T17:15:30","date_gmt":"2015-10-15T15:15:30","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=8796"},"modified":"2015-10-15T17:15:30","modified_gmt":"2015-10-15T15:15:30","slug":"le-stratwarming-dans-une-simulation-3d-vecteur-de-vagues-de-froid-en-europe","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/le-stratwarming-dans-une-simulation-3d-vecteur-de-vagues-de-froid-en-europe\/","title":{"rendered":"Le Stratwarming dans une simulation 3D vecteur de vagues de froid en Europe"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p style=\"text-align: justify;\">C&rsquo;est le r\u00e9chauffement brutal de la stratosph\u00e8re, il peut se caract\u00e9riser par une inversion du vortex polaire stratosph\u00e9rique. Ci apr\u00e8s simulation 3D.<\/p>\n<p style=\"text-align: justify;\">Il peut s&rsquo;en produire plusieurs fois par an, c&rsquo;est souvent lui qui met fin au vortex polaire hivernal \u00e0 l&rsquo;arriv\u00e9e du printemps, et c&rsquo;est \u00e9galement lui qui un vecteur des vagues de froid sur l&rsquo;Europe de l&rsquo;Ouest.<\/p>\n<p style=\"text-align: justify;\">Pour les pr\u00e9visions, ce ph\u00e9nom\u00e8ne est d\u00e9j\u00e0 pris en compte par les mod\u00e8les. Le processus est rendu possible par l&rsquo;introduction des ondes plan\u00e9taires troposph\u00e9rique dans la stratosph\u00e8re. De ce fait, le flux d&rsquo;ouest polaire via le vortex est ralenti. Donc selon la r\u00e8gle des vents thermiques, la stratosph\u00e8re est r\u00e9chauff\u00e9e. Le stratwarning (SSW) est le r\u00e9chauffement de la stratosph\u00e8re qui en descendant dans la troposph\u00e8re provoque une d\u00e9concentration polaire : le vortex troposph\u00e9rique \u00e9clate&#8230;<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/bminxfVGa5w?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p style=\"text-align: justify;\">En fait, le stratwarming est capable de produire une rupture ou une\u00a0s\u00e9paration <i>(scission)<\/i> en deux lobes du\u00a0vortex polaire, la d\u00e9pression en altitude qui est stationn\u00e9e sur le syst\u00e8me\u00a0polaire dans la p\u00e9riode d&rsquo;hivernale et qui est responsable des descentes d&rsquo;air froid aux\u00a0latitudes moyennes. Suite \u00e0 la scission\u00a0du\u00a0pole, cela forme une zone de haute pression, tandis que les deux lobes sont dirig\u00e9s du nord vers\u00a0le sud apportant des conditions de mauvais temps et de chutes des temp\u00e9ratures. Cette configuration a \u00e9t\u00e9 la source des vagues de froid les plus\u00a0intenses qui ont affect\u00e9 le continent de Europ\u00e9ens lors des plus gros hivers.<\/p>\n<p>Adaptation de <a href=\"http:\/\/www.laterredufutur.com\/accueil\/\">la Terre du Futur<\/a><\/p>\n<p>&nbsp;<\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"8796\">(1060)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>C&rsquo;est le r\u00e9chauffement brutal de la stratosph\u00e8re, il peut se caract\u00e9riser par une inversion du vortex polaire stratosph\u00e9rique. Ci apr\u00e8s&#8230;<\/p>\n","protected":false},"author":1,"featured_media":8797,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"_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":[32],"tags":[2290,275,252,153,261,4882,299,4881,2611,1041,684,550],"class_list":["post-8796","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-meteorologie","tag-altitude","tag-anticyclone","tag-atmosphere","tag-froid","tag-pole","tag-rechauffement-stratosphere","tag-stratosphere","tag-stratwarming","tag-troposphere","tag-vague-de-froid","tag-video","tag-vortex-polaire","wpcat-32-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/vaguedefroid-fevrier2012.png?fit=768%2C768&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-2hS","jetpack-related-posts":[{"id":1078,"url":"https:\/\/www.laterredufutur.com\/accueil\/relation-qboactivite-solaire-explication-de-son-mecanisme\/","url_meta":{"origin":8796,"position":0},"title":"Relation QBO\/activit\u00e9 solaire, explication de son m\u00e9canisme","author":"Admin","date":"25 octobre 2012","format":false,"excerpt":"Traduction par Mike et adaptation de la Terre Du \u00a0Futur \"Source http:\/\/daltonsminima.altervista.org\/ \"Riccardo\" - Dans cet article, je vais expliquer les m\u00e9canismes o\u00f9 la faible activit\u00e9 solaire influence la saison hivernale mais pas seulement ca mais plusieurs choses. Nous savons d\u00e9j\u00e0 \u00e0 pr\u00e9sent (je l\u2019avais expliqu\u00e9 d\u00e9j\u00e0 dans le pr\u00e9c\u00e9dent\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":27094,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-scientifiques-decouvrent-des-changements-dans-le-vortex-polaire\/","url_meta":{"origin":8796,"position":1},"title":"Des scientifiques d\u00e9couvrent des changements dans le vortex polaire","author":"Admin","date":"23 juillet 2025","format":false,"excerpt":"Lorsque le vortex polaire s'\u00e9tend, l'Am\u00e9rique du Nord ressent le froid. De nouvelles recherches r\u00e9v\u00e8lent certains des sch\u00e9mas stratosph\u00e9riques qui contr\u00f4lent ces vagues de froid. Bien que les temp\u00e9ratures mondiales se r\u00e9chauffent, les hivers dans l\u2019h\u00e9misph\u00e8re nord sont toujours marqu\u00e9s par des vagues de froid et des chutes de neige\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/neige-froid-texas-1.jpg?fit=600%2C750&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/neige-froid-texas-1.jpg?fit=600%2C750&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/neige-froid-texas-1.jpg?fit=600%2C750&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":3183,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-stratosphere-lozone-et-le-refroidissement\/","url_meta":{"origin":8796,"position":2},"title":"La stratosph\u00e8re, l&rsquo;ozone et le refroidissement","author":"Admin","date":"19 d\u00e9cembre 2005","format":false,"excerpt":"On pourrait minimiser le probl\u00e8me de l'ozone stratosph\u00e9rique et pourtant ! Nous voil\u00e0 donc confront\u00e9 \u00e0 un probl\u00e8me d\u00e9couvert il y a plus de 20 ans : l'Ozone stratosph\u00e9rique. Mais en cette ann\u00e9e 2005 : le record de temp\u00e9rature la plus basse a \u00e9t\u00e9 observ\u00e9e au sommet de l'ouragan Wilma\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/courantJet.gif?fit=300%2C295&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3283,"url":"https:\/\/www.laterredufutur.com\/accueil\/quand-le-vortex-polaire-cree-un-trou-dozone-sur-les-pays-bas\/","url_meta":{"origin":8796,"position":3},"title":"Quand le vortex polaire cr\u00e9\u00e9 un trou d&rsquo;ozone sur les Pays Bas","author":"Admin","date":"25 janvier 2006","format":false,"excerpt":"Suite aux tr\u00e8s fortes gel\u00e9es et grands froids sur l'Europe, un mini trou d'ozone s'est form\u00e9 au dessus des Pays Bas. Il se pourrait bien que le vortex polaire soit descendu sur l'Europe. Ainsi\u00a0les gaz \u00e0 effet de serre sont\u00a0en train de le renforcer. Voici les raisons de cet hiver\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/115051main_vortex.jpeg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":17903,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-vortex-polaire-seffondre-et-pourrait-impacter-notre-hiver\/","url_meta":{"origin":8796,"position":4},"title":"Le vortex polaire s&rsquo;effondre et pourrait impacter notre hiver","author":"Admin","date":"20 janvier 2019","format":false,"excerpt":"La descente des temp\u00e9ratures de l\u2019Arctique en direction des \u00c9tats-Unis ce week-end pourrait \u00eatre le premier signe de l\u2019aggravation de la situation cet hiver, avec les signes que le syst\u00e8me circulaire de basse pression de vents tourbillonnants maintient normalement l\u2019air glac\u00e9 clo\u00eetr\u00e9 au p\u00f4le Nord mais il est perturb\u00e9 et\u2026","rel":"","context":"Dans &quot;M\u00e9t\u00e9orologie&quot;","block_context":{"text":"M\u00e9t\u00e9orologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/meteorologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/vortex-polaire-2parties-janvier2019.jpg?fit=1200%2C840&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/vortex-polaire-2parties-janvier2019.jpg?fit=1200%2C840&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/vortex-polaire-2parties-janvier2019.jpg?fit=1200%2C840&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/vortex-polaire-2parties-janvier2019.jpg?fit=1200%2C840&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/vortex-polaire-2parties-janvier2019.jpg?fit=1200%2C840&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":1079,"url":"https:\/\/www.laterredufutur.com\/accueil\/ensoqbostratosphere\/","url_meta":{"origin":8796,"position":5},"title":"ENSO\/QBO\/Stratosph\u00e8re","author":"Admin","date":"23 octobre 2012","format":false,"excerpt":"Par Mike : Sur ce sujet, je vais parler du comportement de l'ENSO sur la stratosph\u00e8re de l'arctique et les cons\u00e9quences sur le climat sur l'h\u00e9misph\u00e8re nord. Des preuves qui permettront de mieux pr\u00e9voir nos hivers europ\u00e9ens dans le futur Le cycle a une remarquable capacit\u00e9 \u00e0 influencer les caract\u00e9ristiques\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=8796"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8796\/revisions"}],"predecessor-version":[{"id":8798,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8796\/revisions\/8798"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/8797"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=8796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=8796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=8796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}