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<div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Webbplats"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Innehåll" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innehåll</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">dölj</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inledning</div> </a> </li> <li id="toc-Definitionsskillnad_på_orkan_och_orkanstyrka" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Definitionsskillnad_på_orkan_och_orkanstyrka"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Definitionsskillnad på orkan och orkanstyrka</span> </div> </a> <ul id="toc-Definitionsskillnad_på_orkan_och_orkanstyrka-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Namngivning" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Namngivning"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Namngivning</span> </div> </a> <ul id="toc-Namngivning-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Se_även" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Se_även"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Se även</span> </div> </a> <ul id="toc-Se_även-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referenser" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referenser"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Referenser</span> </div> </a> <ul id="toc-Referenser-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Externa_länkar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Externa_länkar"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Externa länkar</span> </div> </a> <ul id="toc-Externa_länkar-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Innehåll" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Växla innehållsförteckningen" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Växla innehållsförteckningen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Orkanstyrka</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Gå till en artikel på ett annat språk. Tillgänglig på 24 språk" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-24" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">24 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A3%D1%80%D0%B0%D0%B3%D0%B0%D0%BD" title="Ураган – bulgariska" lang="bg" hreflang="bg" data-title="Ураган" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Ork%C3%A1n" title="Orkán – tjeckiska" lang="cs" hreflang="cs" data-title="Orkán" data-language-autonym="Čeština" data-language-local-name="tjeckiska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Orkan" title="Orkan – danska" lang="da" hreflang="da" data-title="Orkan" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Hurrikan" title="Hurrikan – tyska" lang="de" hreflang="de" data-title="Hurrikan" data-language-autonym="Deutsch" data-language-local-name="tyska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dsb mw-list-item"><a href="https://dsb.wikipedia.org/wiki/Orkan" title="Orkan – lågsorbiska" lang="dsb" hreflang="dsb" data-title="Orkan" data-language-autonym="Dolnoserbski" data-language-local-name="lågsorbiska" class="interlanguage-link-target"><span>Dolnoserbski</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Orkaan_(tuul)" title="Orkaan (tuul) – estniska" lang="et" hreflang="et" data-title="Orkaan (tuul)" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-en badge-Q70894304 mw-list-item" title=""><a href="https://en.wikipedia.org/wiki/Hurricane" title="Hurricane – engelska" lang="en" hreflang="en" data-title="Hurricane" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-fr badge-Q70894304 mw-list-item" title=""><a href="https://fr.wikipedia.org/wiki/Ouragan" title="Ouragan – franska" lang="fr" hreflang="fr" data-title="Ouragan" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Orkaan" title="Orkaan – västfrisiska" lang="fy" hreflang="fy" data-title="Orkaan" data-language-autonym="Frysk" data-language-local-name="västfrisiska" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Sp%C3%A9irling" title="Spéirling – iriska" lang="ga" hreflang="ga" data-title="Spéirling" data-language-autonym="Gaeilge" data-language-local-name="iriska" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%97%88%EB%A6%AC%EC%BC%80%EC%9D%B8" title="허리케인 – koreanska" lang="ko" hreflang="ko" data-title="허리케인" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hsb mw-list-item"><a href="https://hsb.wikipedia.org/wiki/Orkan" title="Orkan – högsorbiska" lang="hsb" hreflang="hsb" data-title="Orkan" data-language-autonym="Hornjoserbsce" data-language-local-name="högsorbiska" class="interlanguage-link-target"><span>Hornjoserbsce</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Uragano" title="Uragano – ido" lang="io" hreflang="io" data-title="Uragano" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Orkaan" title="Orkaan – limburgiska" lang="li" hreflang="li" data-title="Orkaan" data-language-autonym="Limburgs" data-language-local-name="limburgiska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-nl badge-Q70894304 mw-list-item" title=""><a href="https://nl.wikipedia.org/wiki/Orkaan" title="Orkaan – nederländska" lang="nl" hreflang="nl" data-title="Orkaan" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%8F%E3%83%AA%E3%82%B1%E3%83%BC%E3%83%B3" title="ハリケーン – japanska" lang="ja" hreflang="ja" data-title="ハリケーン" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Orkan" title="Orkan – norskt bokmål" lang="nb" hreflang="nb" data-title="Orkan" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Orkan" title="Orkan – nynorska" lang="nn" hreflang="nn" data-title="Orkan" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-pap mw-list-item"><a href="https://pap.wikipedia.org/wiki/Horcan" title="Horcan – papiamento" lang="pap" hreflang="pap" data-title="Horcan" data-language-autonym="Papiamentu" data-language-local-name="papiamento" class="interlanguage-link-target"><span>Papiamentu</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Huragan" title="Huragan – polska" lang="pl" hreflang="pl" data-title="Huragan" data-language-autonym="Polski" data-language-local-name="polska" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Uragan" title="Uragan – rumänska" lang="ro" hreflang="ro" data-title="Uragan" data-language-autonym="Română" data-language-local-name="rumänska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Uragani" title="Uragani – albanska" lang="sq" hreflang="sq" data-title="Uragani" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Hurricane" title="Hurricane – Simple English" lang="en-simple" hreflang="en-simple" data-title="Hurricane" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Hurik%C3%A1n" title="Hurikán – slovakiska" lang="sk" hreflang="sk" data-title="Hurikán" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" class="interlanguage-link-target"><span>Slovenčina</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q34439356#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namnrymder"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Orkanstyrka" title="Visa innehållssidan [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Diskussion:Orkanstyrka" rel="discussion" title="Diskussion om innehållssidan [t]" accesskey="t"><span>Diskussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Ändra språkvariant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">svenska</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visningar"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Orkanstyrka"><span>Läs</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Orkanstyrka&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Orkanstyrka&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Orkanstyrka&action=history" title="Tidigare versioner av sidan [h]" accesskey="h"><span>Visa historik</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Verktyg" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Verktyg</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Verktyg</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">dölj</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Fler alternativ" > <div class="vector-menu-heading"> Åtgärder </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Orkanstyrka"><span>Läs</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Orkanstyrka&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Orkanstyrka&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Orkanstyrka&action=history"><span>Visa historik</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Allmänt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:L%C3%A4nkar_hit/Orkanstyrka" title="Lista över alla wikisidor som länkar hit [j]" accesskey="j"><span>Sidor som länkar hit</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Senaste_relaterade_%C3%A4ndringar/Orkanstyrka" rel="nofollow" title="Visa senaste ändringarna av sidor som den här sidan länkar till [k]" accesskey="k"><span>Relaterade ändringar</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:Specialsidor" title="Lista över alla specialsidor [q]" accesskey="q"><span>Specialsidor</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Orkanstyrka&oldid=54498591" title="Permanent länk till den här versionen av sidan"><span>Permanent länk</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Orkanstyrka&action=info" title="Mer information om denna sida"><span>Sidinformation</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citera&page=Orkanstyrka&id=54498591&wpFormIdentifier=titleform" title="Information om hur den här artikeln kan användas som referens"><span>Använd som referens</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FOrkanstyrka"><span>Hämta förkortad url</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FOrkanstyrka"><span>Ladda ner QR-kod</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Skriv ut/exportera </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Bok&bookcmd=book_creator&referer=Orkanstyrka"><span>Skapa en bok</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Orkanstyrka&action=show-download-screen"><span>Ladda ned som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Orkanstyrka&printable=yes" title="Utskriftsvänlig version av den här sidan [p]" accesskey="p"><span>Utskriftsvänlig version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> På andra projekt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a 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data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Utseende</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">dölj</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Från Wikipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="sv" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:ISS-34_Northern_hemisphere_mid-Atlantic_low_pressure_system.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/ISS-34_Northern_hemisphere_mid-Atlantic_low_pressure_system.jpg/250px-ISS-34_Northern_hemisphere_mid-Atlantic_low_pressure_system.jpg" decoding="async" width="250" height="166" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/ISS-34_Northern_hemisphere_mid-Atlantic_low_pressure_system.jpg/375px-ISS-34_Northern_hemisphere_mid-Atlantic_low_pressure_system.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/ISS-34_Northern_hemisphere_mid-Atlantic_low_pressure_system.jpg/500px-ISS-34_Northern_hemisphere_mid-Atlantic_low_pressure_system.jpg 2x" data-file-width="4256" data-file-height="2832" /></a><figcaption>Lågtryckssystem med orkanstyrka över Norra halvklotet fotograferat från rymdstationen <a href="/wiki/ISS" class="mw-redirect" title="ISS">ISS</a>.</figcaption></figure> <p>En <a href="/wiki/Storm" title="Storm">storm</a> med <b>orkanstyrka</b> har en medel<a href="/wiki/Vindhastighet" title="Vindhastighet">vindhastighet</a> på minst 32,7 <a href="/wiki/Meter_per_sekund" title="Meter per sekund">m/s</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup>, oavsett om det är över land eller hav. Andra vanliga <a href="/wiki/M%C3%A4tetal" title="Mätetal">mätetal</a> är 64 <a href="/wiki/Knop_(enhet)" title="Knop (enhet)">knop</a>, 118 km/h samt vindstyrkan 12 <a href="/wiki/Beauforts_skala" title="Beauforts skala">Beaufort</a>. Orkanstyrka kan uppnås i flera olika typer av luftvirvlar, såsom <a href="/wiki/L%C3%A5gtryck" title="Lågtryck">lågtryck</a> och <a href="/wiki/Tromb" title="Tromb">tromb</a>. När endast <a href="/wiki/Vindby" title="Vindby">vindbyar</a> når orkanstyrka, kallas dessa <i>orkanbyar</i>. </p><p>Lågtryck där medelvindhastigheten uppnår orkanstyrka kallas ofta för orkan, men egentligen är orkan en synonym för <a href="/wiki/Tropisk_cyklon" title="Tropisk cyklon">tropiska cykloner</a>. Sådana bildas, och tilltar i styrka, när havsvattnet är minst +27 grader <a href="/wiki/Grad_Celsius" title="Grad Celsius">Celsius</a>. <i>Orkaner</i> (eng: <i>Hurricanes</i>) kallas de tropiska cykloner som bildas på <a href="/wiki/Atlanten" title="Atlanten">Atlanten</a>, <i><a href="/wiki/Tyfon" title="Tyfon">tyfoner</a></i> i nordvästra <a href="/wiki/Stilla_havet" title="Stilla havet">Stilla havet</a> och <a href="/wiki/%C3%96stasien" title="Östasien">Östasien</a>, och <i>cykloner</i> vid <a href="/wiki/Oceanien" title="Oceanien">Oceanien</a> och <a href="/wiki/Indiska_oceanen" title="Indiska oceanen">Indiska oceanen</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Definitionsskillnad_på_orkan_och_orkanstyrka"><span id="Definitionsskillnad_p.C3.A5_orkan_och_orkanstyrka"></span>Definitionsskillnad på orkan och orkanstyrka</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Orkanstyrka&veaction=edit&section=1" title="Redigera avsnitt: Definitionsskillnad på orkan och orkanstyrka" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Orkanstyrka&action=edit&section=1" title="Redigera avsnitts källkod: Definitionsskillnad på orkan och orkanstyrka"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Orkaner drivs av avdunstningen från varm havsyta medan stormar med orkanstyrka i Europa uppstår när stora temperaturskillnader möts. Ibland kallas stormar med orkanstyrka för orkan, men definitionsmässigt förekommer det inte orkaner i exempelvis Sverige.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Namngivning">Namngivning</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Orkanstyrka&veaction=edit&section=2" title="Redigera avsnitt: Namngivning" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Orkanstyrka&action=edit&section=2" title="Redigera avsnitts källkod: Namngivning"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:After_Dagmar.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/After_Dagmar.jpg/250px-After_Dagmar.jpg" decoding="async" width="250" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/After_Dagmar.jpg/375px-After_Dagmar.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ec/After_Dagmar.jpg/500px-After_Dagmar.jpg 2x" data-file-width="2048" data-file-height="1536" /></a><figcaption>Effekter av <i>Orkanen Dagmar</i> i <a href="/wiki/Molde" title="Molde">Molde</a>, Norge i december 2011.</figcaption></figure> <p>Tropiska cykloner ges ofta personnamn. Det var romanen <i>Storm</i> från 1941, om en orkan som kallades Maria, som gav inspiration till kvinnonamn på orkaner.<sup id="cite_ref-VH_3-0" class="reference"><a href="#cite_note-VH-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> Fram till 1978 var det vanligt att ge tropiska cykloner kvinnonamn. Sedan började talesmän för kvinnors jämställdhet kräva att orkanerna även fick manliga namn vilket man då införde.<sup id="cite_ref-VH_3-1" class="reference"><a href="#cite_note-VH-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> Namngivningen baseras på listor med namn som återanvänds.<sup id="cite_ref-VH_3-2" class="reference"><a href="#cite_note-VH-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> Namn på särskilt ödeläggande orkaner, t.ex. <a href="/wiki/Orkanen_Katrina" title="Orkanen Katrina">Katrina</a> (2005), återanvänds däremot inte.<sup id="cite_ref-VH_3-3" class="reference"><a href="#cite_note-VH-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Traditionen att ge tropiska cykloner namn har även resulterat i att vissa stormar med orkanstyrka ges namn, som <a href="/wiki/Orkanen_Gudrun" title="Orkanen Gudrun">Orkanen Gudrun</a>, som svepte över norra Europa, år 2005. </p> <div class="mw-heading mw-heading2"><h2 id="Se_även"><span id="Se_.C3.A4ven"></span>Se även</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Orkanstyrka&veaction=edit&section=3" title="Redigera avsnitt: Se även" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Orkanstyrka&action=edit&section=3" title="Redigera avsnitts källkod: Se även"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Kraftiga_stormar_i_Sverige_under_2000-talet" title="Kraftiga stormar i Sverige under 2000-talet">Kraftiga stormar i Sverige under 2000-talet</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Referenser">Referenser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Orkanstyrka&veaction=edit&section=4" title="Redigera avsnitt: Referenser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Orkanstyrka&action=edit&section=4" title="Redigera avsnitts källkod: Referenser"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.smhi.se/kunskapsbanken/vad-betyder-olika-ord-om-vind-1.35876">SMHI om olika ord om vind</a> Läst 29 maj 2017</span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text">Michel Tjernberg (2019-09-22) <i><a rel="nofollow" class="external text" href="https://www.gp.se/nyheter/g%C3%B6teborg/50-%C3%A5r-sedan-stormen-1969-drabbade-g%C3%B6teborg-1.18366795">50 år sedan stormen 1969 drabbade Göteborg</a></i>, Göteborgs-Posten</span> </li> <li id="cite_note-VH-3">^ [<a href="#cite_ref-VH_3-0"><small>a</small></a> <a href="#cite_ref-VH_3-1"><small>b</small></a> <a href="#cite_ref-VH_3-2"><small>c</small></a> <a href="#cite_ref-VH_3-3"><small>d</small></a>] <span class="reference-text"><cite style="font-style:normal" class="journal"><a rel="nofollow" class="external text" href="http://varldenshistoria.se/fraga-oss/varfoer-brukar-orkaner-fa-kvinnonamn">”Varför brukar orkaner få kvinnonamn?”</a>. <i>Världens Historia</i>. 2012<span class="printonly">. <a rel="nofollow" class="external free" href="http://varldenshistoria.se/fraga-oss/varfoer-brukar-orkaner-fa-kvinnonamn">http://varldenshistoria.se/fraga-oss/varfoer-brukar-orkaner-fa-kvinnonamn</a></span><span class="reference-accessdate">. Läst 5 mars 2013</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Varf%C3%B6r+brukar+orkaner+f%C3%A5+kvinnonamn%3F&rft.jtitle=V%C3%A4rldens+Historia&rft.date=2012&rft_id=http%3A%2F%2Fvarldenshistoria.se%2Ffraga-oss%2Fvarfoer-brukar-orkaner-fa-kvinnonamn&rfr_id=info:sid/en.wikipedia.org:Orkanstyrka"><span style="display: none;"> </span></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Externa_länkar"><span id="Externa_l.C3.A4nkar"></span>Externa länkar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Orkanstyrka&veaction=edit&section=5" title="Redigera avsnitt: Externa länkar" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Orkanstyrka&action=edit&section=5" title="Redigera avsnitts källkod: Externa länkar"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.smhi.se/kunskapsbanken/meteorologi/orkaner-och-tropiska-cykloner-1.223">SMHI om orkan</a></li></ul> <style data-mw-deduplicate="TemplateStyles:r56287950">.mw-parser-output table.navbox{border:#aaa 1px solid;width:100%;margin:auto;margin-top:1em;clear:both;font-size:88%;text-align:center;padding:1px}.mw-parser-output link+table.navbox{margin-top:-1px}.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow,.mw-parser-output table.navbox th{text-align:center;padding-left:1em;padding-right:1em}.mw-parser-output .navbox-thlinkcolor .navbox-title button,.mw-parser-output .navbox-thlinkcolor .navbox-title .mw-collapsible-text,.mw-parser-output .navbox-thlinkcolor .navbox-title a{color:inherit}.mw-parser-output .nowraplinks a,.mw-parser-output .nowraplinks .selflink{white-space:nowrap}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right;font-weight:bold;padding-left:1em;padding-right:1em}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background:#fdfdfd}.mw-parser-output .navbox-list{border-color:#fdfdfd}.mw-parser-output .navbox-title,.mw-parser-output table.navbox th{background:#b0c4de}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background:#d0e0f5}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background:#deeafa}.mw-parser-output .navbox-even{background:#f7f7f7}.mw-parser-output .navbox-odd{background:transparent}</style><table cellspacing="0" class="navbox" style="border-spacing:0;"><tbody><tr><td style="padding:2px;"><table cellspacing="0" class="nowraplinks hlist auktoritetsdata navbox-inner" style="border-spacing:0;background:transparent;color:inherit;"><tbody><tr><th scope="row" class="navbox-group"><a href="/wiki/Auktoritetsdata" title="Auktoritetsdata">Auktoritetsdata</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;"><div style="padding:0em 0.25em;"> • <a href="/wiki/Library_of_Congress_Control_Number" title="Library of Congress Control Number">LCCN</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://id.loc.gov/authorities/subjects/sh85063195">sh85063195</a></span> • <a href="/wiki/Gemeinsame_Normdatei" title="Gemeinsame Normdatei">GND</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://d-nb.info/gnd/4160826-4">4160826-4</a></span> • <a href="/wiki/Nationella_parlamentsbiblioteket" title="Nationella parlamentsbiblioteket">NDL</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://id.ndl.go.jp/auth/ndlna/00562980">00562980</a></span> • <a href="/wiki/Tjeckiska_nationalbiblioteket" title="Tjeckiska nationalbiblioteket">NKC</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=ph120948&CON_LNG=ENG">ph120948</a></span></div></td></tr></tbody></table></td></tr></tbody></table>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; 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