{"id":76659,"date":"2026-05-05T18:20:14","date_gmt":"2026-05-05T18:20:14","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/76659\/"},"modified":"2026-05-05T18:20:14","modified_gmt":"2026-05-05T18:20:14","slug":"bourky-napric-republikou-zpusobily-netypicky-jev","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/76659\/","title":{"rendered":"Bou\u0159ky nap\u0159\u00ed\u010d republikou zp\u016fsobily netypick\u00fd jev"},"content":{"rendered":"<p class=\"c_bz\">Vznik siln\u011bj\u0161\u00edch bou\u0159ek nad \u010ceskem zpo\u010d\u00e1tku blokovala vrstva such\u00e9ho vzduchu v\u00a0p\u0159\u00edzemn\u00ed vrstv\u011b a\u00a0oproti modelov\u00fdm p\u0159edpoklad\u016fm i\u00a0pon\u011bkud ni\u017e\u0161\u00ed energie pro vzestupn\u00e9 pohyby vzduchu (CAPE). Bou\u0159kov\u00e1 aktivita se tak soust\u0159edila zejm\u00e9na na oblasti pod\u00e9l Kru\u0161n\u00fdch hor a\u00a0\u0160umavy. <\/p>\n<p class=\"c_bz\">Kr\u00e1tce po 14.\u00a0hodin\u011b se vytvo\u0159ily slab\u0161\u00ed bou\u0159ky na Rokycansku v\u00a0okol\u00ed Brd a\u00a0pozd\u011bji se zformoval i\u00a0men\u0161\u00ed shluk pom\u011brn\u011b intenzivn\u00edch bou\u0159ek postupuj\u00edc\u00edch p\u0159es jihov\u00fdchodn\u00ed \u010d\u00e1st St\u0159edo\u010desk\u00e9ho kraje, kde u\u00a0Vla\u0161imi padaly i\u00a0men\u0161\u00ed kroupy. <\/p>\n<p class=\"c_bz\">Radar na Rokycansku zaznamenal nev\u0161edn\u00ed meteorologick\u00fd jev v\u00a0angli\u010dtin\u011b zn\u00e1m\u00fd jako outflow boundary, pro n\u011bj\u017e zat\u00edm neexistuje vhodn\u00fd \u010desk\u00fd ekvivalent.<\/p>\n<p lang=\"cs\" dir=\"ltr\">\ud83c\udf29Bou\u0159ky aktu\u00e1ln\u011b. Moc p\u011bkn\u00e9 outflow boundary na Rokycansku.<\/p>\n<p>\ud83d\udc49Bou\u0159kov\u00e1 \u010dinnost prozat\u00edm nen\u00ed v\u00fdrazn\u00e1. Vznik bou\u0159ek se dle o\u010dek\u00e1v\u00e1n\u00ed v\u00e1\u017ee zat\u00edm hlavn\u011b na orografii (hory). V neprosp\u011bch bou\u0159kov\u00e9 \u010dinnosti a intenzity hraje hlavn\u011b velmi such\u00fd vzduch v p\u0159\u00edzemn\u00ed vrstv\u011b do 2 km, co\u017e\u2026 <a href=\"https:\/\/t.co\/P3YIdbjFsw\" rel=\"nofollow\">pic.twitter.com\/P3YIdbjFsw<\/a><\/p>\n<p>\u2014 \u010cesk\u00fd hydrometeorologick\u00fd \u00fastav (\u010cHM\u00da) (@CHMUCHMI) <a href=\"https:\/\/twitter.com\/CHMUCHMI\/status\/2051682151418958287?ref_src=twsrc%5Etfw\" rel=\"nofollow noopener\" target=\"_blank\">May 5, 2026<\/a><\/p>\n<p>Efekt miniaturn\u00ed studen\u00e9 fronty<\/p>\n<p class=\"c_bz\">V\u00fdtok vlhk\u00e9ho a\u00a0studen\u00e9ho vzduchu ze zadn\u00ed strany odch\u00e1zej\u00edc\u00edch bou\u0159ek vytvo\u0159il p\u0159i interakci s\u00a0okoln\u00edm teplej\u0161\u00edm prost\u0159ed\u00edm samostatn\u00e9 teplotn\u00ed rozhran\u00ed, kter\u00e9 se na zemi chov\u00e1 podobn\u011b jako b\u011b\u017en\u00e1 studen\u00e1 fronta a\u00a0dosahuje d\u00e9lky n\u011bkolika des\u00edtek kilometr\u016f. <\/p>\n<p class=\"c_bz\">P\u0159echod outflow boundary p\u0159es m\u00edsto pozorov\u00e1n\u00ed se projevuje zes\u00edlen\u00edm v\u011btru a\u00a0prudk\u00fdm poklesem teploty, \u010dasto i\u00a0o v\u00edce ne\u017e 5\u00a0\u00b0C b\u011bhem n\u011bkolika minut. I\u00a0po rozpadu p\u016fvodn\u00edch bou\u0159ek m\u016f\u017ee toto rozhran\u00ed urazit vzd\u00e1lenost stovek kilometr\u016f. <\/p>\n<p class=\"c_bz\">M\u00edsto st\u0159etu vzduchov\u00fdch hmot se na meteorologick\u00e9m radaru zobraz\u00ed jako linie slab\u00e9 odrazivosti, kterou zp\u016fsobuje pr\u00e1v\u011b rozd\u00edln\u00e1 teplota a\u00a0vlhkost vzduchov\u00fdch hmot. P\u0159i vhodn\u00fdch podm\u00ednk\u00e1ch na outflow boundary mohou vznikat i\u00a0dal\u0161\u00ed bou\u0159ky. <\/p>\n<p><a data-dot=\"atm-link\" target=\"_self\" href=\"https:\/\/www.novinky.cz\/clanek\/pocasi-cesko-zasahnou-prvni-vyrazne-bourky-roku-40576622\" class=\"c_N\" rel=\"nofollow noopener\"><img height=\"963\" width=\"1713\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/05\/1778005214_957_chmu-uhrn-srazky-pocasi.jpeg\" loading=\"lazy\" decoding=\"async\" class=\"c_t c_r c_l\"\/><\/a><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"Vznik siln\u011bj\u0161\u00edch bou\u0159ek nad \u010ceskem zpo\u010d\u00e1tku blokovala vrstva such\u00e9ho vzduchu v\u00a0p\u0159\u00edzemn\u00ed vrstv\u011b a\u00a0oproti modelov\u00fdm p\u0159edpoklad\u016fm i\u00a0pon\u011bkud ni\u017e\u0161\u00ed energie&hellip;\n","protected":false},"author":2,"featured_media":76660,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[3862,17,21,16,255,10503,18,19,22,20],"class_list":{"0":"post-76659","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-zpravy","8":"tag-bourka","9":"tag-headlines","10":"tag-hlavni-udalosti","11":"tag-news","12":"tag-pocasi","13":"tag-studena-fronta","14":"tag-top-news","15":"tag-top-stories","16":"tag-udalosti-dne","17":"tag-zpravy"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116523357032201982","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/76659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=76659"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/76659\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/76660"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=76659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=76659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=76659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}