{"id":1300,"date":"2026-09-06T12:56:32","date_gmt":"2026-09-06T12:56:32","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=1300"},"modified":"2026-09-06T12:56:32","modified_gmt":"2026-09-06T12:56:32","slug":"tornadoes-a-force-of-nature","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/meteorology\/tornadoes-a-force-of-nature\/","title":{"rendered":"Torn\u00e1da v USA: p\u0159\u00ed\u010diny, sez\u00f3na, p\u0159ipravenost a mapa historick\u00fdch ud\u00e1lost\u00ed"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Torn\u00e1da: S\u00edla p\u0159\u00edrody<\/h2>\n\n<p class=\"wp-block-paragraph\">Torn\u00e1da, n\u00e1siln\u00e9 bou\u0159e charakterizovan\u00e9 rotuj\u00edc\u00edmi sloupcemi vzduchu, jsou v USA b\u011b\u017en\u00fdm jevem, zejm\u00e9na b\u011bhem jarn\u00edch a letn\u00edch m\u011bs\u00edc\u016f. Centr\u00e1ln\u00ed a ji\u017en\u00ed regiony zem\u011b, zn\u00e1m\u00e9 jako Tornado Alley, jsou obzvl\u00e1\u0161t\u011b n\u00e1chyln\u00e9 k t\u011bmto destruktivn\u00edm bou\u0159\u00edm. Torn\u00e1da se v\u0161ak mohou vyskytnout kdekoli, kdykoli b\u011bhem roku.<\/p>\n\n<h2 class=\"wp-block-heading\">Interaktivn\u00ed mapa historie torn\u00e1d<\/h2>\n\n<p class=\"wp-block-paragraph\">Environmental Systems Research Institute (ESRI) vytvo\u0159il interaktivn\u00ed mapu, kter\u00e1 umo\u017e\u0148uje u\u017eivatel\u016fm prozkoumat historii torn\u00e1d ve sv\u00e9m st\u00e1t\u011b, regionu nebo dokonce na zahrad\u011b. Mapa zobrazuje ka\u017ed\u00e9 torn\u00e1do, kter\u00e9 dopadlo v USA v letech 1980\u20132012, v\u010detn\u011b podrobnost\u00ed o ob\u011btech a hodnocen\u00ed podle stupnice Enhanced Fujita (EF).<\/p>\n\n<h2 class=\"wp-block-heading\">Vylep\u0161en\u00e1 \u0161k\u00e1la Fujita<\/h2>\n\n<p class=\"wp-block-paragraph\">Vylep\u0161en\u00e1 \u0161k\u00e1la Fujita je syst\u00e9m pou\u017e\u00edvan\u00fd k hodnocen\u00ed torn\u00e1d na z\u00e1klad\u011b \u0161kod, kter\u00e9 zp\u016fsob\u00ed, a rychlost\u00ed v\u011btru pot\u0159ebn\u00fdch k takov\u00e9 devastaci. Stupnice sah\u00e1 od EF0 (nejm\u00e9n\u011b) po EF5 (nejv\u00edce). Od roku 1980 Spojen\u00e9 st\u00e1ty za\u017eily 21 torn\u00e1d EF5, co\u017e je nejvy\u0161\u0161\u00ed hodnocen\u00ed na t\u00e9to stupnici.<\/p>\n\n<h2 class=\"wp-block-heading\">Vznik torn\u00e1d<\/h2>\n\n<p class=\"wp-block-paragraph\">Torn\u00e1da se vytv\u00e1\u0159ej\u00ed, kdy\u017e se tepl\u00fd, vlhk\u00fd vzduch v ni\u017e\u0161\u00edch vrstv\u00e1ch atmosf\u00e9ry zved\u00e1 pod studen\u00fd, such\u00fd vzduch ve vy\u0161\u0161\u00edch vrstv\u00e1ch. To vytv\u00e1\u0159\u00ed nestabilitu, kter\u00e1 m\u016f\u017ee v\u00e9st ke vzniku supercelov\u00fdch bou\u0159ek. Supercely jsou rotuj\u00edc\u00ed bou\u0159ky, kter\u00e9 mohou produkovat torn\u00e1da, krupobit\u00ed i siln\u00e9 de\u0161t\u011b.<\/p>\n\n<h2 class=\"wp-block-heading\">Torn\u00e1dov\u00e1 sez\u00f3na<\/h2>\n\n<p class=\"wp-block-paragraph\">Torn\u00e1dov\u00e1 sez\u00f3na obvykle trv\u00e1 od konce zimy do poloviny l\u00e9ta, ale p\u0159esn\u00fd term\u00edn se m\u016f\u017ee li\u0161it podle regionu. Proudov\u00e1 p\u00e1s (jet stream), vysokohorsk\u00fd v\u011btrn\u00fd proud, hraje v\u00fdznamnou roli p\u0159i ur\u010dov\u00e1n\u00ed, kde a kdy se torn\u00e1da objev\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Tornado Alley<\/h2>\n\n<p class=\"wp-block-paragraph\">Tornado Alley je oblast ve st\u0159edn\u00edch Spojen\u00fdch st\u00e1tech, kde je vysok\u00e1 \u010detnost torn\u00e1d. Rozprost\u00edr\u00e1 se od severn\u00edho Texasu po ji\u017en\u00ed Ji\u017en\u00ed Dakota. Torn\u00e1da v\u0161ak nejsou omezena jen na Tornado Alley a mohou se vyskytnout kdekoli v zemi.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u0159ipravenost na torn\u00e1da<\/h2>\n\n<p class=\"wp-block-paragraph\">Torn\u00e1da mohou b\u00fdt smrteln\u00e1 a destruktivn\u00ed, ale existuj\u00ed kroky, kter\u00e9 m\u016f\u017eete podniknout, abyste se na n\u011b p\u0159ipravili a z\u016fstali v bezpe\u010d\u00ed:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>M\u011bjte p\u0159ipraven\u00fd pl\u00e1n a v\u011bnujte si, kam se uch\u00fdlit do \u00fakrytu.<\/li>\n<li>Sledujte p\u0159edpov\u011bdi po\u010das\u00ed a v\u00fdstrahy.<\/li>\n<li>P\u0159ipravte si nouzov\u00fd bal\u00ed\u010dek s nezbytn\u00fdmi z\u00e1sobami, jako jsou j\u00eddlo, voda, prvn\u00ed pomoc a l\u00e9ky.<\/li>\n<li>Zpevn\u011bte sv\u016fj domov pomoc\u00ed bou\u0159kov\u00fdch rolet nebo dal\u0161\u00edch ochrann\u00fdch opat\u0159en\u00ed.<\/li>\n<li>Procvi\u010dujte s rodinou cvi\u010dn\u00e9 sc\u00e9n\u00e1\u0159e p\u0159i torn\u00e1dech.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">V\u011bda o torn\u00e1dech a v\u00fdzkum<\/h2>\n\n<p class=\"wp-block-paragraph\">National Oceanic and Atmospheric Administration (NOAA) a Storm Prediction Center prov\u00e1d\u011bj\u00ed pr\u016fb\u011b\u017en\u00fd v\u00fdzkum, aby l\u00e9pe porozum\u011bly torn\u00e1d\u016fm a zlep\u0161ily syst\u00e9my p\u0159edpov\u011bd\u00ed a v\u00fdstrah. Str\u00e1nka NOAA Tornado Q&amp;A poskytuje cenn\u00e9 informace o v\u011bd\u011b o torn\u00e1dech a bezpe\u010dnosti.<\/p>\n\n<h2 class=\"wp-block-heading\">Torn\u00e1da mimo pevninsk\u00e9 \u00fazem\u00ed USA<\/h2>\n\n<p class=\"wp-block-paragraph\">I kdy\u017e jsou torn\u00e1da nej\u010dast\u011bj\u0161\u00ed v USA, mohou se vyskytnout kdekoliv na sv\u011bt\u011b. Havaj zaznamenal 39 torn\u00e1d v letech 1950\u20132010, z nich\u017e n\u011bkter\u00e1 byla vodn\u00ed torn\u00e1da (waterspouts). Vodn\u00ed torn\u00e1da jsou ku\u017eelovit\u00e9 sloupce, kter\u00e9 se tvo\u0159\u00ed nad vodou a mohou se p\u0159esunout na sou\u0161. I Alja\u0161ka za ur\u010dit\u00fdch podm\u00ednek za\u017e\u00edv\u00e1 vz\u00e1cn\u00e1 torn\u00e1da.<\/p>\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n<p class=\"wp-block-paragraph\">Torn\u00e1da jsou mocnou a nep\u0159edv\u00eddatelnou silou p\u0159\u00edrody, ale pochopen\u00edm jejich p\u0159\u00ed\u010din, rizik a opat\u0159en\u00ed pro p\u0159ipravenost m\u016f\u017eeme sn\u00ed\u017eit jejich dopad na na\u0161e \u017eivoty a komunity.<\/p>","protected":false},"excerpt":{"rendered":"<p>Torn\u00e1da: S\u00edla p\u0159\u00edrody Torn\u00e1da, n\u00e1siln\u00e9 bou\u0159e charakterizovan\u00e9 rotuj\u00edc\u00edmi sloupcemi vzduchu, jsou v USA b\u011b\u017en\u00fdm jevem, zejm\u00e9na b\u011bhem jarn\u00edch a letn\u00edch m\u011bs\u00edc\u016f. Centr\u00e1ln\u00ed a ji\u017en\u00ed regiony zem\u011b, zn\u00e1m\u00e9 jako Tornado Alley,&hellip;<\/p>\n","protected":false},"author":2,"featured_media":25577,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1278],"tags":[2940,2939,1945,2938,97],"class_list":["post-1300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-meteorology","tag-safety","tag-weather","tag-natural-disasters","tag-tornadoes","tag-science"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/1300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=1300"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/1300\/revisions"}],"predecessor-version":[{"id":25578,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/1300\/revisions\/25578"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/25577"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=1300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=1300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=1300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}