{"id":6881,"date":"2025-11-22T15:00:00","date_gmt":"2025-11-22T14:00:00","guid":{"rendered":"https:\/\/viva.racunalniske-novice.com\/weathernext-2-googlov-ai-ki-napove-vreme-v-minuti\/"},"modified":"2025-11-22T15:00:00","modified_gmt":"2025-11-22T14:00:00","slug":"weathernext-2-googlov-ai-ki-napove-vreme-v-minuti","status":"publish","type":"post","link":"https:\/\/viva.racunalniske-novice.com\/fr\/weathernext-2-lia-de-google-qui-predit-la-meteo-en-une-minute\/","title":{"rendered":"WeatherNext 2\u00a0: l\u2019IA de Google qui pr\u00e9dit la m\u00e9t\u00e9o en une minute"},"content":{"rendered":"<p>Google a r\u00e9cemment d\u00e9voil\u00e9 WeatherNext 2, son tout dernier syst\u00e8me de pr\u00e9visions m\u00e9t\u00e9orologiques bas\u00e9 sur l&#039;intelligence artificielle. Il s&#039;agit d&#039;une avanc\u00e9e significative par rapport \u00e0 la premi\u00e8re version. L&#039;entreprise affirme que le nouveau mod\u00e8le produit des pr\u00e9visions jusqu&#039;\u00e0 huit fois plus rapidement et surpasse WeatherNext original de 99,9 % sur des indicateurs cl\u00e9s tels que la temp\u00e9rature, l&#039;humidit\u00e9 et la pr\u00e9cision de la vitesse du vent. Ce syst\u00e8me a \u00e9t\u00e9 d\u00e9velopp\u00e9 par DeepMind et Google Research.<br><br>Cette avanc\u00e9e repose sur une nouvelle architecture appel\u00e9e R\u00e9seau G\u00e9n\u00e9ratif Fonctionnel (RGF). Ce mod\u00e8le introduit intentionnellement de petits signaux al\u00e9atoires dans les calculs afin de simuler les variations atmosph\u00e9riques naturelles. L&#039;atmosph\u00e8re r\u00e9elle \u00e9tant fa\u00e7onn\u00e9e par des irr\u00e9gularit\u00e9s constantes, cette approche permet une simulation plus r\u00e9aliste des syst\u00e8mes m\u00e9t\u00e9orologiques et des pr\u00e9visions plus pr\u00e9cises.<br><br>L&#039;une des principales am\u00e9liorations r\u00e9side dans la rapidit\u00e9. Le nouveau WeatherNext 2 g\u00e9n\u00e8re des pr\u00e9visions pr\u00e8s de huit fois plus vite que son pr\u00e9d\u00e9cesseur. Alors que les mod\u00e8les physiques n\u00e9cessitent des heures de traitement sur des supercalculateurs, l&#039;IA de Google produit des r\u00e9sultats en moins d&#039;une minute gr\u00e2ce \u00e0 une simple puce TPU. De plus, les pr\u00e9visions sont actualis\u00e9es toutes les heures, au lieu de toutes les six heures, ce qui permet de d\u00e9tecter plus t\u00f4t les changements m\u00e9t\u00e9orologiques et de les int\u00e9grer plus rapidement aux services.<\/p>\n\n\n\n<p>WeatherNext 2 ne se contente pas de traiter des donn\u00e9es individuelles, mais capture les interactions complexes entre la temp\u00e9rature, la pression, l&#039;humidit\u00e9 et le vent. D&#039;apr\u00e8s ses d\u00e9veloppeurs, le syst\u00e8me identifie avec plus de pr\u00e9cision les ph\u00e9nom\u00e8nes m\u00e9t\u00e9orologiques extr\u00eames tels que les ouragans et pr\u00e9dit leur trajectoire jusqu&#039;\u00e0 trois jours \u00e0 l&#039;avance. Il peut \u00e9galement d\u00e9tecter les vagues de chaleur pr\u00e9cocement. Cependant, Google pr\u00e9vient que les pr\u00e9visions de pr\u00e9cipitations (pluie et neige) restent moins fiables en raison de donn\u00e9es d&#039;apprentissage incompl\u00e8tes.<br><br>WeatherNext 2 est d\u00e9j\u00e0 int\u00e9gr\u00e9 \u00e0 plusieurs services Google, notamment la recherche Google, l&#039;application Pixel Weather et Google Maps Platform via l&#039;API M\u00e9t\u00e9o. Les pr\u00e9visions am\u00e9lior\u00e9es seront bient\u00f4t disponibles directement dans Google Maps. Les chercheurs et les d\u00e9veloppeurs peuvent utiliser le mod\u00e8le via Google Earth Engine, BigQuery et le programme d&#039;acc\u00e8s anticip\u00e9 de Vertex AI.<\/p>\n<div class=\"embed-container\"><iframe src=\"https:\/\/www.youtube.com\/embed\/YQwqoEm_xis\" frameborder=\"0\" allowfullscreen><\/iframe><\/div><br\/>","protected":false},"excerpt":{"rendered":"<p>Google a r\u00e9cemment d\u00e9voil\u00e9 WeatherNext 2, son tout dernier syst\u00e8me de pr\u00e9visions m\u00e9t\u00e9orologiques bas\u00e9 sur l&#039;intelligence artificielle. Il s&#039;agit d&#039;une avanc\u00e9e significative par rapport \u00e0 la premi\u00e8re version. L&#039;entreprise affirme que le nouveau mod\u00e8le produit des pr\u00e9visions jusqu&#039;\u00e0 huit fois plus rapidement et surpasse le WeatherNext original de 99,9 % sur des indicateurs cl\u00e9s tels que la temp\u00e9rature, l&#039;humidit\u00e9 et la pr\u00e9cision de la vitesse du vent. Le syst\u00e8me [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74],"tags":[126],"class_list":["post-6881","post","type-post","status-publish","format-standard","hentry","category-aplikacije","tag-google"],"acf":{"subtitle":"Google je 17. novembra predstavil WeatherNext 2, napredni sistem za napovedovanje vremena z umetno inteligenco. Novi model je do osemkrat hitrej\u0161i, natan\u010dnej\u0161i in \u017ee vklju\u010den v storitve, kot so Google Maps, Pixel Weather ter Vertex AI.","heading":"","summary":"Google je 17. novembra predstavil WeatherNext 2, napredni sistem za napovedovanje vremena z umetno inteligenco. Novi model je do osemkrat hitrej\u0161i, natan\u010dnej\u0161i in \u017ee vklju\u010den v storitve, kot so Google Maps, Pixel Weather ter Vertex AI.","thumbnail_small":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2025\/11\/mountains-9504977_1280-560x315.jpg","thumbnail_large":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2025\/11\/mountains-9504977_1280-1024x682.jpg","thumbnail_caption":"","gallery":"","video_gallery":[{"youtube_url":"https:\/\/www.youtube.com\/watch?v=YQwqoEm_xis"}],"author":"","links":[{"title":"Google","url":""}],"sources":null,"skip_language":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>WeatherNext 2: Googlov AI, ki napove vreme v minuti - Ra\u010dunalni\u0161ke novice<\/title>\n<meta name=\"description\" content=\"Google je 17. novembra predstavil WeatherNext 2, napredni sistem za napovedovanje vremena z umetno inteligenco. Novi model je do osemkrat hitrej\u0161i, natan\u010dnej\u0161i in \u017ee vklju\u010den v storitve, kot so Google\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/viva.racunalniske-novice.com\/fr\/wp-json\/wp\/v2\/posts\/6881\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WeatherNext 2: Googlov AI, ki napove vreme v minuti - Ra\u010dunalni\u0161ke novice\" \/>\n<meta property=\"og:description\" content=\"Nedavno je podjetje Google predstavilo WeatherNext 2, najnovej\u0161i sistem za napovedovanje vremena, ki ga poganja umetna inteligenca. Gre za pomemben korak naprej v primerjavi s prvo razli\u010dico. Podjetje trdi, da novi model pripravlja napovedi do osemkrat hitreje in presega prvotni WeatherNext v 99,9 odstoktov klju\u010dnih meril, kot so natan\u010dnost temperature, vla\u017enosti in hitrosti vetra. 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