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[o]" accesskey="o" class=""><span>Logg inn</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Fleire val" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personlege verktøy" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-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-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personlege verktøy</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Brukarmeny" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_nn.wikipedia.org&uselang=nn"><span>Gåver</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Spesial:Opprett_konto&returnto=Okkludert+front" title="Me oppfordrar til at du oppretter ein konto og loggar inn, men det er ikkje påkravd."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Opprett konto</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Spesial:Logg_inn&returnto=Okkludert+front" title="Det er ikkje obligatorisk å logga inn, men medfører mange fordelar. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logg inn</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Sider for utlogga bidragsytarar <a href="/wiki/Hjelp:Introduksjon" aria-label="Lær meir om redigering"><span>lær meir</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Spesial:Bidraga_mine" title="Liste over endringar gjorde frå denne IP-adressa [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Spesial:Diskusjonssida_mi" title="Diskusjon om endringar gjorde av denne ip-adressa [n]" accesskey="n"><span>Diskusjon</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <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="Nettstad"> <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="Innhald" 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">Innhald</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">gøym</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">Byrjinga</div> </a> </li> <li id="toc-Fronttypar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Fronttypar"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Fronttypar</span> </div> </a> <ul id="toc-Fronttypar-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Skildring_av_figurane" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Skildring_av_figurane"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Skildring av figurane</span> </div> </a> <ul id="toc-Skildring_av_figurane-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="Innhald" 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="Vis/skjul innhaldslista" > <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">Vis/skjul innhaldslista</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">Okkludert front</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 til ein artikkel på eit anna språk. Tilgjengeleg på 30 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-30" 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">30 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Okkludert_front" title="Okkludert front – norsk bokmål" lang="nb" hreflang="nb" data-title="Okkludert front" data-language-autonym="Norsk bokmål" data-language-local-name="norsk bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Ocklusionsfront" title="Ocklusionsfront – svensk" lang="sv" hreflang="sv" data-title="Ocklusionsfront" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AC%D8%A8%D9%87%D8%A9_%D9%85%D9%82%D9%81%D9%84%D8%A9" title="جبهة مقفلة – arabisk" lang="ar" hreflang="ar" data-title="جبهة مقفلة" data-language-autonym="العربية" data-language-local-name="arabisk" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A4%D1%80%D0%BE%D0%BD%D1%82_%D0%B0%D0%BA%D0%BB%D1%8E%D0%B7%D1%96%D1%96" title="Фронт аклюзіі – belarusisk" lang="be" hreflang="be" data-title="Фронт аклюзіі" data-language-autonym="Беларуская" data-language-local-name="belarusisk" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Front_ocl%C3%BAs" title="Front oclús – katalansk" lang="ca" hreflang="ca" data-title="Front oclús" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Okluzn%C3%AD_fronta" title="Okluzní fronta – tsjekkisk" lang="cs" hreflang="cs" data-title="Okluzní fronta" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Okklusion_(Meteorologie)" title="Okklusion (Meteorologie) – tysk" lang="de" hreflang="de" data-title="Okklusion (Meteorologie)" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Occluded_front" title="Occluded front – engelsk" lang="en" hreflang="en" data-title="Occluded front" data-language-autonym="English" data-language-local-name="engelsk" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Frente_ocluido_(meteorolog%C3%ADa)" title="Frente ocluido (meteorología) – spansk" lang="es" hreflang="es" data-title="Frente ocluido (meteorología)" data-language-autonym="Español" data-language-local-name="spansk" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Fronte_okluitu" title="Fronte okluitu – baskisk" lang="eu" hreflang="eu" data-title="Fronte okluitu" data-language-autonym="Euskara" data-language-local-name="baskisk" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Front_occlus_et_trowal" title="Front occlus et trowal – fransk" lang="fr" hreflang="fr" data-title="Front occlus et trowal" data-language-autonym="Français" data-language-local-name="fransk" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Fronte_oclu%C3%ADda" title="Fronte ocluída – galisisk" lang="gl" hreflang="gl" data-title="Fronte ocluída" data-language-autonym="Galego" data-language-local-name="galisisk" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%8F%90%EC%83%89%EC%A0%84%EC%84%A0" title="폐색전선 – koreansk" lang="ko" hreflang="ko" data-title="폐색전선" data-language-autonym="한국어" data-language-local-name="koreansk" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/Yanayin_tafiyar_iska" title="Yanayin tafiyar iska – hausa" lang="ha" hreflang="ha" data-title="Yanayin tafiyar iska" data-language-autonym="Hausa" data-language-local-name="hausa" class="interlanguage-link-target"><span>Hausa</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Okludirana_fronta" title="Okludirana fronta – kroatisk" lang="hr" hreflang="hr" data-title="Okludirana fronta" data-language-autonym="Hrvatski" data-language-local-name="kroatisk" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Okl%C5%ABzijas_fronte" title="Oklūzijas fronte – latvisk" lang="lv" hreflang="lv" data-title="Oklūzijas fronte" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%85%E0%B4%A7%E0%B4%BF%E0%B4%A7%E0%B4%BE%E0%B4%B0%E0%B4%A3%E0%B4%82" title="അധിധാരണം – malayalam" lang="ml" hreflang="ml" data-title="അധിധാരണം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Occlusiefront" title="Occlusiefront – nederlandsk" lang="nl" hreflang="nl" data-title="Occlusiefront" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" 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/%E9%96%89%E5%A1%9E%E5%89%8D%E7%B7%9A" title="閉塞前線 – japansk" lang="ja" hreflang="ja" data-title="閉塞前線" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Front_zokludowany" title="Front zokludowany – polsk" lang="pl" hreflang="pl" data-title="Front zokludowany" data-language-autonym="Polski" data-language-local-name="polsk" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Frente_oclusa" title="Frente oclusa – portugisisk" lang="pt" hreflang="pt" data-title="Frente oclusa" data-language-autonym="Português" data-language-local-name="portugisisk" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A4%D1%80%D0%BE%D0%BD%D1%82_%D0%BE%D0%BA%D0%BA%D0%BB%D1%8E%D0%B7%D0%B8%D0%B8" title="Фронт окклюзии – russisk" lang="ru" hreflang="ru" data-title="Фронт окклюзии" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Occluded_front" title="Occluded front – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="Occluded front" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Okluzija" title="Okluzija – slovensk" lang="sl" hreflang="sl" data-title="Okluzija" data-language-autonym="Slovenščina" data-language-local-name="slovensk" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A4%D1%80%D0%BE%D0%BD%D1%82_%D0%BE%D0%BA%D0%BB%D1%83%D0%B7%D0%B8%D1%98%D0%B5" title="Фронт оклузије – serbisk" lang="sr" hreflang="sr" data-title="Фронт оклузије" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Okluusiorintama" title="Okluusiorintama – finsk" lang="fi" hreflang="fi" data-title="Okluusiorintama" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A4%D1%80%D0%BE%D0%BD%D1%82_%D0%BE%D0%BA%D0%BB%D1%8E%D0%B7%D1%96%D1%97" title="Фронт оклюзії – ukrainsk" lang="uk" hreflang="uk" data-title="Фронт оклюзії" data-language-autonym="Українська" data-language-local-name="ukrainsk" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Fr%C3%B4ng_h%E1%BA%A5p_l%C6%B0u" title="Frông hấp lưu – vietnamesisk" lang="vi" hreflang="vi" data-title="Frông hấp lưu" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesisk" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%8C%AE%E5%9B%9A%E9%8B%92" title="錮囚鋒 – kantonesisk" lang="yue" hreflang="yue" data-title="錮囚鋒" data-language-autonym="粵語" data-language-local-name="kantonesisk" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%94%A2%E5%9B%9A%E9%94%8B" title="锢囚锋 – kinesisk" lang="zh" hreflang="zh" data-title="锢囚锋" data-language-autonym="中文" data-language-local-name="kinesisk" class="interlanguage-link-target"><span>中文</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/Q747330#sitelinks-wikipedia" title="Endra mellomspråklege lenkjer" class="wbc-editpage">Endra lenkjer</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="Namnerom"> <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/Okkludert_front" title="Vis innhaldssida [c]" accesskey="c"><span>Artikkel</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Diskusjon:Okkludert_front&action=edit&redlink=1" rel="discussion" class="new" title="Diskusjon om innhaldssida (sida finst ikkje) [t]" accesskey="t"><span>Diskusjon</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="Endre 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">norsk nynorsk</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div 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<div id="siteSub" class="noprint">Frå Wikipedia – det frie oppslagsverket</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="nn" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Kald_okklusjon.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Kald_okklusjon.jpg/220px-Kald_okklusjon.jpg" decoding="async" width="220" height="283" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Kald_okklusjon.jpg/330px-Kald_okklusjon.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Kald_okklusjon.jpg/440px-Kald_okklusjon.jpg 2x" data-file-width="2507" data-file-height="3227" /></a><figcaption>Kald okklusjon</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Varm_okklusjon.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Varm_okklusjon.jpg/220px-Varm_okklusjon.jpg" decoding="async" width="220" height="281" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Varm_okklusjon.jpg/330px-Varm_okklusjon.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Varm_okklusjon.jpg/440px-Varm_okklusjon.jpg 2x" data-file-width="2550" data-file-height="3253" /></a><figcaption>Varm okklusjon</figcaption></figure> <p>Ein <b>okkludert front</b> eller <b>okklusjon</b> er ein <a href="/wiki/V%C3%AArfront" title="Vêrfront">vêrfront</a> som oppstår når ein <a href="/wiki/Kaldfront" title="Kaldfront">kaldfront</a> tar igjen ein <a href="/wiki/Varmfront" title="Varmfront">varmfront</a>. <a href="/wiki/Varmsektor" title="Varmsektor">Varmsektoren</a> mellom varmfronten og kaldfronten blir løfta oppover, fordi den varme lufta er lettare enn den kalde. Området der dei tre frontane møter kvarandre blir kalla okklusjonspunktet (òg kalla eit trippelpunkt). I sjølve punktet kan det vere ganske rolege vindforhold, men i nærleiken av punktet kan vinden bli ganske kraftig. Fronten fører nesten alltid til skya vêr og gir ofte litt regn. I tillegg er torevêr òg mogeleg. </p><p>Okkluderte frontar oppstår om lag alltid i samband med fullt utvikla <a href="/wiki/L%C3%A5gtrykk" title="Lågtrykk">lågtrykk</a>, og når eit lågtrykk er i ferd med å døy ut er det ofte berre den okkluderte fronten som er igjen av frontsystemet. </p><p>Okkluderte frontar er avmerkte på eit vêrkart med fiolette linjer der ein halvsirkel og ein trekant annakvar gong markar retninga fronten flyttar seg i. </p> <div class="mw-heading mw-heading2"><h2 id="Fronttypar">Fronttypar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Okkludert_front&veaction=edit&section=1" title="Endre bolk: Fronttypar" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Okkludert_front&action=edit&section=1" title="Rediger kildekoden til seksjonen Fronttypar"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ein skil mellom to typar okkluderte frontar, <i>kald okklusjon</i> og <i>varm okklusjon</i>. Ein front blir kalla varmfront når varmluft erstattar kaldare luft, og kaldfront når kaldluft erstattar varmare luft. Området mellom ein kaldfront og ein varmfront blir kalla ein varmsektor. Når ein kaldfront tar igjen ein varmfront, blir varmsektoren løfta til vers, og kaldlufta bak kaldfronten kjem i kontakt med lufta føre varmfronten. Visst kaldlufta bak kaldfronten er kaldare enn lufta føre varmfronten blir det kalla ein kald okklusjon. Visst kaldlufta bak kaldfronten derimot er varmare enn kaldlufta føre varmfronten snakkar vi om ein varm okklusjon. </p><p>Temperaturskilnaden mellom lufta bak kaldfronten og lufta føre varmfronten er som regel liten. Likevel er tettleiksvariasjonane vanlegvis store nok til at ei av luftmassane blir heva. Visst temperaturskilnaden derimot blir for liten vil ingen av luftmassane klare å løfte den andre. Ein kan sjå på dette som ein tredje form for okklusjon. På midlare breidder, som over Europa, oppstår kald okklusjon oftast om sommaren, medan varm okklusjon oftast oppstår om vinteren. </p> <div class="mw-heading mw-heading2"><h2 id="Skildring_av_figurane">Skildring av figurane</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Okkludert_front&veaction=edit&section=2" title="Endre bolk: Skildring av figurane" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Okkludert_front&action=edit&section=2" title="Rediger kildekoden til seksjonen Skildring av figurane"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Figurane til høgre viser ei skjematisk oversikt over dei to okklusjonane, og kva skytypar og vêr som er assosiert med dei. Øvst på desse to figurane er det vist eit frontsystem. Den raudfarga linja er varmfronten, den blå linja er kaldfronten og den fiolette linja den okkluderte fronten. Dei oransje linjene er to vertikalsnitt av frontsystemet. Linje A er eit tverrsnitt av okklusjonen, medan linje B er eit tverrsnitt før okklusjonen. Denne figuren gjeld berre for nordlege halvkule </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Henta frå «<a dir="ltr" href="https://nn.wikipedia.org/w/index.php?title=Okkludert_front&oldid=3056808">https://nn.wikipedia.org/w/index.php?title=Okkludert_front&oldid=3056808</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Kategori:Kategoriar" title="Kategori:Kategoriar">Kategori</a>: <ul><li><a href="/wiki/Kategori:Frontar" title="Kategori:Frontar">Frontar</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Denne sida vart sist endra den 29. juni 2018 kl. 13:49.</li> <li id="footer-info-copyright">All tekst er tilgjengeleg under <a rel="nofollow" class="external text" href="http://creativecommons.org/licenses/by-sa/4.0/deed.no">Creative Commons-lisensen Namngjeving/Del på same vilkåra</a>. 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