{"id":110972,"date":"2026-02-10T12:29:10","date_gmt":"2026-02-10T12:29:10","guid":{"rendered":"https:\/\/www.europesays.com\/ro\/110972\/"},"modified":"2026-02-10T12:29:10","modified_gmt":"2026-02-10T12:29:10","slug":"meteorologii-anunta-noi-episoade-de-iarna-in-luna-februarie-fenomenele-au-legatura-cu-prabusirea-vortexului-polar","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ro\/110972\/","title":{"rendered":"Meteorologii anun\u021b\u0103 noi episoade de iarn\u0103 \u00een luna februarie. Fenomenele au leg\u0103tur\u0103 cu pr\u0103bu\u0219irea vortexului polar"},"content":{"rendered":"<p>Noile prognoze au confirmat un eveniment de \u00eenc\u0103lzire stratosferic\u0103 care se va derula la mijlocul lunii februarie \u0219i va destabiliza puternic Vortexul Polar.<\/p>\n<p>\t\t\t<img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.europesays.com\/ro\/wp-content\/uploads\/2026\/02\/1770726550_993_index.jpeg\" alt=\"Vortex polar FOTO: Reuters\" width=\"1400\" height=\"750\" loading=\"eager\" class=\"svelte-h45upf\"\/><\/p>\n<p>Vortex polar FOTO: Reuters<\/p>\n<p>De\u0219i aceste evenimente semnaleaz\u0103 de obicei o perioad\u0103 de erup\u021bie arctic\u0103, evolu\u021bia din 2026 se confrunt\u0103 cu o interferen\u021b\u0103 atmosferic\u0103 care complic\u0103 perspectivele de sf\u00e2r\u0219it de iarn\u0103 pentru Statele Unite, Canada \u0219i Europa, potrivit\u00a0<a href=\"https:\/\/www.severe-weather.eu\/global-weather\/stratospheric-warming-2026-polar-vortex-forecast-atmospheric-mjo-interference-winter-united-states-canada-europe-fa\/?fbclid=IwY2xjawP26a1leHRuA2FlbQIxMABicmlkETFZM25GN2NVODVPTHlZYXNJc3J0YwZhcHBfaWQQMjIyMDM5MTc4ODIwMDg5MgABHj8vBAL3_pzkvxXrMzX9uon8F_pgWRhqPVljtw1Ddx3Iuco7e9KPMTLDZ_q__aem_mczdzdX2JkogVSX40j2-Kg\" target=\"_blank\" rel=\"noopener nofollow\">Severe Weather Europe<\/a>.\u00a0\u00a0<\/p>\n<p>Impactul descendent al \u00eenc\u0103lzirii stratosferice va \u00eent\u00e2lni o for\u021b\u0103 opus\u0103 \u00een atmosfera inferioar\u0103, intr\u00e2nd \u00een conflict cu oscila\u021bia Madden-Julian (o puternic\u0103 und\u0103 atmosferic\u0103 tropical\u0103). Acest lucru va proteja temporar p\u0103r\u021bi din centrul \u0219i estul SUA de colapsul stratosferic, duc\u00e2nd la o perioad\u0103 de temperaturi peste normal, chiar \u0219i atunci c\u00e2nd vortexul polar se va descompune deasupra.<\/p>\n<p>\u00cens\u0103 nu se preconizeaz\u0103 c\u0103 aceast\u0103 interferen\u021b\u0103 atmosferic\u0103 va fi permanent\u0103, iar conexiunea dintre stratosfer\u0103 \u0219i suprafa\u021b\u0103 se va restabili, ceea ce ar putea deschide calea c\u0103tre noi valuri de aer rece \u00een ultima treime a lunii februarie \u0219i la \u00eenceputul lunii martie \u00een Statele Unite, Canada \u0219i anumite regiuni din Europa.<\/p>\n<p>\t\t\tCum influen\u021beaz\u0103 prognoza pr\u0103bu\u0219irea vortexului polar<\/p>\n<p>\u00cen termeni simpli, vortexul polar este o circula\u021bie larg\u0103 de iarn\u0103 peste emisfera nordic\u0103 (\u0219i sudic\u0103). V\u0103 pute\u021bi imagina vortexul polar ca un zid rotativ deasupra regiunilor polare, care se ridic\u0103 de la suprafa\u021b\u0103 p\u00e2n\u0103 \u00een stratosfer\u0103 (la peste 50 km \u00een\u0103l\u021bime), capt\u00e2nd aerul polar rece \u00een interior.<\/p>\n<p>\u00a0Un vortex polar puternic blocheaz\u0103 aerul rece \u00een regiunile polare, \u00eempiedic\u00e2ndu-l s\u0103 se r\u0103sp\u00e2ndeasc\u0103 \u00een latitudinile mai joase. Acest lucru creeaz\u0103 condi\u021bii mai bl\u00e2nde pentru cea mai mare parte a Statelor Unite \u0219i a Europei.<\/p>\n<p>Dar c\u00e2nd vortexul polar este perturbat sau se pr\u0103bu\u0219e\u0219te, nu mai poate re\u021bine aerul rece, eliber\u00e2ndu-l spre latitudinile medii. Acest lucru permite aerului rece s\u0103 se r\u0103sp\u00e2ndeasc\u0103 \u00een Statele Unite \u0219i \u00een alte regiuni de latitudine medie.\u00a0<\/p>\n<p>\u00a0Dar un vortex polar perturbat nu garanteaz\u0103 frigul \u00een toate zonele de latitudine medie.<\/p>\n<p>Perturbarea apare de obicei ca urmare a cre\u0219terii presiunii \u0219i temperaturii stratosferice, cunoscut\u0103 sub numele de eveniment de \u00eenc\u0103lzire stratosferic\u0103 (SSW), sau din alte dinamici.<\/p>\n<p>\t\t\tEvenimentul de la mijlocul lunii februarie: \u00cencepe o faz\u0103 de \u00eenc\u0103lzire stratosferic\u0103<\/p>\n<p>Un eveniment de \u00eenc\u0103lzire stratosferic\u0103 este o cre\u0219tere a presiunii \u0219i temperaturii stratosferice, care perturb\u0103 vortexul polar. <a href=\"https:\/\/adevarul.ro\/stiri-interne\/meteo\/vortexul-polar-evolutie-imprevizibila-2493382.html\" rel=\"nofollow noopener\" target=\"_blank\">Aceste evenimente pot colapsa <\/a>\u0219i diviza vortexul polar, cre\u00e2nd o schimbare major\u0103 a vremii la nivelurile suprafe\u021bei, dar pot avea efecte variate \u00een \u00eentreaga emisfer\u0103.<\/p>\n<p>Meteorologii precizeaz\u0103 c\u0103 peste Europa,<a href=\"https:\/\/adevarul.ro\/stiri-interne\/meteo\/cum-poate-influenta-vortexul-polar-iarna-in-2473487.html\" rel=\"nofollow noopener\" target=\"_blank\"> prognoza ansamblului arat\u0103<\/a> c\u0103 aerul mai rece ajunge mai departe spre vest, \u00een Marea Britanie \u0219i \u00een zonele centrale. Masa principal\u0103 de aer rece r\u0103m\u00e2ne stabil\u0103 peste nord \u0219i nord-est, dar o \u00eentrerupere a modelului atlantic poate permite temperaturilor sub normal s\u0103 se r\u0103sp\u00e2ndeasc\u0103 pe continent spre vest.<\/p>\n","protected":false},"excerpt":{"rendered":"Noile prognoze au confirmat un eveniment de \u00eenc\u0103lzire stratosferic\u0103 care se va derula la mijlocul lunii februarie \u0219i&hellip;\n","protected":false},"author":2,"featured_media":110973,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[34911,32,33,31,34910,36,37,27,34,35,25,41,40,38,39,26,28,29,30,611],"class_list":{"0":"post-110972","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-romania","8":"tag-aer-rece","9":"tag-breaking-news","10":"tag-breakingnews","11":"tag-cele-mai-populare-subiecte","12":"tag-episoade-de-iarna","13":"tag-featured-news","14":"tag-featurednews","15":"tag-headlines","16":"tag-latest-news","17":"tag-latestnews","18":"tag-news","19":"tag-ro","20":"tag-romana","21":"tag-romania","22":"tag-romanian","23":"tag-stiri","24":"tag-titluri","25":"tag-top-stories","26":"tag-topstories","27":"tag-vortex-polar"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/posts\/110972","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/comments?post=110972"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/posts\/110972\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/media\/110973"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/media?parent=110972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/categories?post=110972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/tags?post=110972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}