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Geomagnetisk storm – Wikipedia

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<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">Geomagnetisk storm</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 46 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-46" 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">46 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D8%A7%D8%B5%D9%81%D8%A9_%D9%85%D8%BA%D9%86%D8%A7%D8%B7%D9%8A%D8%B3%D9%8A%D8%A9_%D8%A3%D8%B1%D8%B6%D9%8A%D8%A9" title="عاصفة مغناطيسية أرضية – arabiska" lang="ar" hreflang="ar" data-title="عاصفة مغناطيسية أرضية" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Tormenta_xeomagn%C3%A9tica" title="Tormenta xeomagnética – asturiska" lang="ast" hreflang="ast" data-title="Tormenta xeomagnética" data-language-autonym="Asturianu" data-language-local-name="asturiska" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BC%D0%B0%D0%B3%D0%BD%D0%B8%D1%82%D0%BD%D0%B0_%D0%B1%D1%83%D1%80%D1%8F" title="Геомагнитна буря – bulgariska" lang="bg" hreflang="bg" data-title="Геомагнитна буря" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Tempesta_geomagn%C3%A8tica" title="Tempesta geomagnètica – katalanska" lang="ca" hreflang="ca" data-title="Tempesta geomagnètica" data-language-autonym="Català" data-language-local-name="katalanska" 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/Magnetick%C3%A1_bou%C5%99e" title="Magnetická bouře – tjeckiska" lang="cs" hreflang="cs" data-title="Magnetická bouře" 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/Solstorm" title="Solstorm – danska" lang="da" hreflang="da" data-title="Solstorm" 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/Magnetischer_Sturm" title="Magnetischer Sturm – tyska" lang="de" hreflang="de" data-title="Magnetischer Sturm" data-language-autonym="Deutsch" data-language-local-name="tyska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Geomagnetiline_torm" title="Geomagnetiline torm – estniska" lang="et" hreflang="et" data-title="Geomagnetiline torm" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%97%CE%BB%CE%B9%CE%B1%CE%BA%CE%AE_%CE%BA%CE%B1%CF%84%CE%B1%CE%B9%CE%B3%CE%AF%CE%B4%CE%B1" title="Ηλιακή καταιγίδα – grekiska" lang="el" hreflang="el" data-title="Ηλιακή καταιγίδα" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Geomagnetic_storm" title="Geomagnetic storm – engelska" lang="en" hreflang="en" data-title="Geomagnetic storm" data-language-autonym="English" data-language-local-name="engelska" 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/Tormenta_geomagn%C3%A9tica" title="Tormenta geomagnética – spanska" lang="es" hreflang="es" data-title="Tormenta geomagnética" data-language-autonym="Español" data-language-local-name="spanska" 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/Ekaitz_geomagnetiko" title="Ekaitz geomagnetiko – baskiska" lang="eu" hreflang="eu" data-title="Ekaitz geomagnetiko" data-language-autonym="Euskara" data-language-local-name="baskiska" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B7%D9%88%D9%81%D8%A7%D9%86_%DA%98%D8%A6%D9%88%D9%85%D8%BA%D9%86%D8%A7%D8%B7%DB%8C%D8%B3%DB%8C" title="طوفان ژئومغناطیسی – persiska" lang="fa" hreflang="fa" data-title="طوفان ژئومغناطیسی" data-language-autonym="فارسی" data-language-local-name="persiska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Orage_magn%C3%A9tique" title="Orage magnétique – franska" lang="fr" hreflang="fr" data-title="Orage magnétique" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Stoirm_mhaighn%C3%A9adach" title="Stoirm mhaighnéadach – iriska" lang="ga" hreflang="ga" data-title="Stoirm mhaighnéadach" 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/%EC%A7%80%EC%9E%90%EA%B8%B0_%ED%8F%AD%ED%92%8D" title="지자기 폭풍 – koreanska" lang="ko" hreflang="ko" data-title="지자기 폭풍" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%A1%D5%A3%D5%B6%D5%AB%D5%BD%D5%A1%D5%AF%D5%A1%D5%B6_%D6%83%D5%B8%D5%A9%D5%B8%D6%80%D5%AB%D5%AF%D5%B6%D5%A5%D6%80" title="Մագնիսական փոթորիկներ – armeniska" lang="hy" hreflang="hy" data-title="Մագնիսական փոթորիկներ" data-language-autonym="Հայերեն" data-language-local-name="armeniska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AD%E0%A5%82%E0%A4%9A%E0%A5%81%E0%A4%AE%E0%A5%8D%E0%A4%AC%E0%A4%95%E0%A5%80%E0%A4%AF_%E0%A4%9D%E0%A4%82%E0%A4%9D%E0%A4%BE" title="भूचुम्बकीय झंझा – hindi" lang="hi" hreflang="hi" data-title="भूचुम्बकीय झंझा" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Geomagnetska_oluja" title="Geomagnetska oluja – kroatiska" lang="hr" hreflang="hr" data-title="Geomagnetska oluja" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Badai_geomagnetik" title="Badai geomagnetik – indonesiska" lang="id" hreflang="id" data-title="Badai geomagnetik" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Tempesta_solare" title="Tempesta solare – italienska" lang="it" hreflang="it" data-title="Tempesta solare" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A1%D7%A2%D7%A8%D7%94_%D7%92%D7%90%D7%95%D7%9E%D7%92%D7%A0%D7%98%D7%99%D7%AA" title="סערה גאומגנטית – hebreiska" lang="he" hreflang="he" data-title="סערה גאומגנטית" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BC%D0%B0%D0%B3%D0%BD%D0%B8%D1%82%D1%82%D1%96%D0%BA_%D0%B4%D0%B0%D1%83%D1%8B%D0%BB" title="Геомагниттік дауыл – kazakiska" lang="kk" hreflang="kk" data-title="Геомагниттік дауыл" data-language-autonym="Қазақша" data-language-local-name="kazakiska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Bahoza_jeomanyet%C3%AEk" title="Bahoza jeomanyetîk – kurdiska" lang="ku" hreflang="ku" data-title="Bahoza jeomanyetîk" data-language-autonym="Kurdî" data-language-local-name="kurdiska" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9C%D0%B0%D0%B3%D0%BD%D0%B8%D1%82_%D0%B1%D0%BE%D1%80%D0%BE%D0%BE%D0%BD%D1%83" title="Магнит бороону – kirgiziska" lang="ky" hreflang="ky" data-title="Магнит бороону" data-language-autonym="Кыргызча" data-language-local-name="kirgiziska" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Geom%C3%A1gneses_vihar" title="Geomágneses vihar – ungerska" lang="hu" hreflang="hu" data-title="Geomágneses vihar" data-language-autonym="Magyar" data-language-local-name="ungerska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%92%E1%83%94%E1%83%9D%E1%83%9B%E1%83%90%E1%83%92%E1%83%9C%E1%83%98%E1%83%A2%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%AC%E1%83%90%E1%83%9A%E1%83%98%E1%83%99%E1%83%9D%E1%83%9C%E1%83%98" title="გეომაგნიტური წალიკონი – mingrelianska" lang="xmf" hreflang="xmf" data-title="გეომაგნიტური წალიკონი" data-language-autonym="მარგალური" data-language-local-name="mingrelianska" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Ribut_geomagnetik" title="Ribut geomagnetik – malajiska" lang="ms" hreflang="ms" data-title="Ribut geomagnetik" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Magnetische_storm" title="Magnetische storm – nederländska" lang="nl" hreflang="nl" data-title="Magnetische storm" 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/%E7%A3%81%E6%B0%97%E5%B5%90" title="磁気嵐 – japanska" lang="ja" hreflang="ja" data-title="磁気嵐" 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/Geomagnetisk_storm" title="Geomagnetisk storm – norskt bokmål" lang="nb" hreflang="nb" data-title="Geomagnetisk storm" 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/Magnetisk_storm" title="Magnetisk storm – nynorska" lang="nn" hreflang="nn" data-title="Magnetisk storm" 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-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Burza_magnetyczna" title="Burza magnetyczna – polska" lang="pl" hreflang="pl" data-title="Burza magnetyczna" data-language-autonym="Polski" data-language-local-name="polska" 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/Tempestade_geomagn%C3%A9tica" title="Tempestade geomagnética – portugisiska" lang="pt" hreflang="pt" data-title="Tempestade geomagnética" data-language-autonym="Português" data-language-local-name="portugisiska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Furtun%C4%83_geomagnetic%C4%83" title="Furtună geomagnetică – rumänska" lang="ro" hreflang="ro" data-title="Furtună geomagnetică" data-language-autonym="Română" data-language-local-name="rumänska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BC%D0%B0%D0%B3%D0%BD%D0%B8%D1%82%D0%BD%D0%B0%D1%8F_%D0%B1%D1%83%D1%80%D1%8F" title="Геомагнитная буря – ryska" lang="ru" hreflang="ru" data-title="Геомагнитная буря" data-language-autonym="Русский" data-language-local-name="ryska" 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/Solar_magnetic_storms" title="Solar magnetic storms – Simple English" lang="en-simple" hreflang="en-simple" data-title="Solar magnetic storms" 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/Magnetick%C3%A1_b%C3%BArka" title="Magnetická búrka – slovakiska" lang="sk" hreflang="sk" data-title="Magnetická búrka" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%BC%D0%B0%D0%B3%D0%BD%D0%B5%D1%82%D0%BD%D0%B0_%D0%BE%D0%BB%D1%83%D1%98%D0%B0" title="Геомагнетна олуја – serbiska" lang="sr" hreflang="sr" data-title="Геомагнетна олуја" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Geomagnetska_oluja" title="Geomagnetska oluja – serbokroatiska" lang="sh" hreflang="sh" data-title="Geomagnetska oluja" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Aurinkomyrsky" title="Aurinkomyrsky – finska" lang="fi" hreflang="fi" data-title="Aurinkomyrsky" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%9E%E0%B8%B2%E0%B8%A2%E0%B8%B8%E0%B8%AA%E0%B8%B8%E0%B8%A3%E0%B8%B4%E0%B8%A2%E0%B8%B0" title="พายุสุริยะ – thailändska" lang="th" hreflang="th" data-title="พายุสุริยะ" data-language-autonym="ไทย" data-language-local-name="thailändska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Jeomanyetik_f%C4%B1rt%C4%B1na" title="Jeomanyetik fırtına – turkiska" lang="tr" hreflang="tr" data-title="Jeomanyetik fırtına" data-language-autonym="Türkçe" data-language-local-name="turkiska" 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typeof="mw:File/Thumb"><a href="/wiki/Fil:Magnetosphere_rendition.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Magnetosphere_rendition.jpg/400px-Magnetosphere_rendition.jpg" decoding="async" width="400" height="219" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Magnetosphere_rendition.jpg/600px-Magnetosphere_rendition.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Magnetosphere_rendition.jpg/800px-Magnetosphere_rendition.jpg 2x" data-file-width="1200" data-file-height="656" /></a><figcaption>Illustration av hur ett område med intensifierad <a href="/wiki/Solvind" title="Solvind">solvind</a> når jorden och ger upphov till en geomagnetisk storm som bland annat trycker ihop <a href="/wiki/Magnetosf%C3%A4r" title="Magnetosfär">magnetosfären</a>.</figcaption></figure> <p>En <b>geomagnetisk storm</b> (även kallad <b>magnetisk storm</b>) är ett <a href="/wiki/Rymdv%C3%A4der" title="Rymdväder">rymdväderfenomen</a> i jordens <a href="/wiki/Magnetosf%C3%A4r" title="Magnetosfär">magnetosfär</a> orsakad av en <a href="/wiki/Chockv%C3%A5g" title="Chockvåg">chockvåg</a> i <a href="/wiki/Solvind" title="Solvind">solvinden</a>, i sin tur orsakad av någon form av solaktivitet, vanligen en <a href="/wiki/Koronamassutkastning" title="Koronamassutkastning">koronamassutkastning</a> eller en höghastighetsvind från ett <a href="/w/index.php?title=Koronah%C3%A5l&amp;action=edit&amp;redlink=1" class="new" title="Koronahål [inte skriven än]">koronahål</a>. Vanligen varar stormen i något eller några få dygn. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Effekter">Effekter</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geomagnetisk_storm&amp;veaction=edit&amp;section=1" title="Redigera avsnitt: Effekter" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geomagnetisk_storm&amp;action=edit&amp;section=1" title="Redigera avsnitts källkod: Effekter"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>Huvudartikel: <a href="/wiki/Rymdv%C3%A4der" title="Rymdväder">Rymdväder</a></i> </p> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fil:Aurora_australis_20050911.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Aurora_australis_20050911.jpg/200px-Aurora_australis_20050911.jpg" decoding="async" width="200" height="198" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Aurora_australis_20050911.jpg/300px-Aurora_australis_20050911.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Aurora_australis_20050911.jpg/400px-Aurora_australis_20050911.jpg 2x" data-file-width="631" data-file-height="626" /></a><figcaption>Sydskensovalen avbildad i <a href="/wiki/Ultraviolett_ljus" class="mw-redirect" title="Ultraviolett ljus">ultraviolett ljus</a> av satelliten <a href="/wiki/IMAGE_(satellit)" title="IMAGE (satellit)">IMAGE</a>.</figcaption></figure> <p>Bland effekterna av geomagnetiska stormar kan nämnas: </p> <ul><li><b>Polarsken över större områden.</b> När <a href="/wiki/Magnetosf%C3%A4r" title="Magnetosfär">magnetosfären</a> trycks ihop av chockvågen i solvinden vidgas <a href="/wiki/Polarsken" title="Polarsken">polarskensovalerna</a>, så att <a href="/wiki/Norrsken" class="mw-redirect" title="Norrsken">norrsken</a> syns längre söderut och <a href="/wiki/Sydsken" class="mw-redirect" title="Sydsken">sydsken</a> längre norrut än vanligt.</li> <li><b>Höjda strålningsnivåer.</b> Stormen leder till att <a href="/wiki/Jon" title="Jon">joner</a> och <a href="/wiki/Elektron" title="Elektron">elektroner</a> i <a href="/wiki/Magnetosf%C3%A4r" title="Magnetosfär">magnetosfären</a> <a href="/wiki/Acceleration" title="Acceleration">accelereras</a> till höga <a href="/wiki/Energi" title="Energi">energier</a>, och <a href="/wiki/Str%C3%A5lning" title="Strålning">strålningsnivåerna</a> ökar därför både i magnetosfären (främst i <a href="/wiki/Str%C3%A5lningsb%C3%A4lte" class="mw-redirect" title="Strålningsbälte">strålningsbältena</a>) och i övre <a href="/wiki/Atmosf%C3%A4r" title="Atmosfär">atmosfären</a>. Detta kan ha stor påverkan på <a href="/wiki/Satellit" title="Satellit">satelliter</a>, men har ingen effekt nere på marken.</li> <li><b>Elkraftproblem.</b> När <a href="/wiki/Jordens_magnetf%C3%A4lt" title="Jordens magnetfält">jordens magnetfält</a> ändras <a href="/wiki/Elektromagnetisk_induktion" title="Elektromagnetisk induktion">induceras</a> <a href="/wiki/Elektrisk_str%C3%B6m" title="Elektrisk ström">elektrisk ström</a> i <a href="/wiki/Kraftledning" title="Kraftledning">kraftledningar</a> på jordens yta, vilket kan leda till överbelastning i <a href="/wiki/Transformator" title="Transformator">transformatorer</a> med skador och/eller stora elavbrott som följd. Tillsammans med riskerna för satelliter är detta den största ekonomiska risken med geomagnetiska stormar. I en studie från den amerikanska vetenskapsakademin, <a href="/wiki/National_Academy_of_Sciences" class="mw-redirect" title="National Academy of Sciences">National Academy of Sciences</a>, dras slutsatsen att elkraftnäten fortfarande (2009) är sårbara, och att en ovanligt stark <b>geomagnetisk storm</b> kan få konsekvenser som i ekonomiska termer skulle kunna jämföras med <a href="/wiki/Orkanen_Katrina" title="Orkanen Katrina">orkanen Katrinas</a> härjningar.<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><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></li></ul> <div class="mw-heading mw-heading2"><h2 id="Prognoser">Prognoser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geomagnetisk_storm&amp;veaction=edit&amp;section=2" title="Redigera avsnitt: Prognoser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geomagnetisk_storm&amp;action=edit&amp;section=2" title="Redigera avsnitts källkod: Prognoser"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Eftersom störningen som orsakar en geomagnetisk storm ytterst kommer från <a href="/wiki/Solen" title="Solen">solen</a> och typiskt tar något drygt dygn för att nå jorden kan man genom bevakning av solen tämligen väl förutse när risken för en geomagnetisk storm är stor. Prognoser för sannolikheten för att en storm ska utbryta inom de närmsta dygnen görs tillgängliga på <a href="/wiki/Internet" title="Internet">internet</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup> </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=Geomagnetisk_storm&amp;veaction=edit&amp;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=Geomagnetisk_storm&amp;action=edit&amp;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/Rymdv%C3%A4der" title="Rymdväder">Rymdväder</a></li> <li><a href="/wiki/Geomagnetisk_substorm" title="Geomagnetisk substorm">Geomagnetisk substorm</a></li> <li><a href="/wiki/Rymdfysik" title="Rymdfysik">Rymdfysik</a></li> <li><a href="/wiki/Magnetosf%C3%A4r" title="Magnetosfär">Magnetosfär</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=Geomagnetisk_storm&amp;veaction=edit&amp;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=Geomagnetisk_storm&amp;action=edit&amp;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="https://science.nasa.gov/science-news/science-at-nasa/2009/21jan_severespaceweather">Severe space weather</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210305105229/https://science.nasa.gov/science-news/science-at-nasa/2009/21jan_severespaceweather">Arkiverad</a> 5 mars 2021 hämtat från the <a href="/wiki/Internet_Archive#Wayback_Machine" title="Internet Archive">Wayback Machine</a>.. NASA news feature, 21 jan 2009, länkad 22 jan 2009.</span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://books.nap.edu/catalog.php?record_id=12507">Severe Space Weather Events -- Understanding Societal and Economic Impacts</a>. Workshop Report, Committee on the Societal and Economic Impacts of Severe Space Weather Events:A Workshop, National Research Council, 2008. <a href="/wiki/Special:Bokk%C3%A4llor/0-309-12770-X" title="Special:Bokkällor/0-309-12770-X">ISBN 0-309-12770-X</a>. Länkad 31 jan 2009.</span> </li> <li id="cite_note-3"><a href="#cite_ref-3">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.lund.irf.se/rwc/">Regional Warning Center Sweden</a> vid <a href="/wiki/Institutet_f%C3%B6r_rymdfysik" title="Institutet för rymdfysik">Institutet för rymdfysik</a> i <a href="/wiki/Lund" title="Lund">Lund</a>, länkad 31 jan 2009.</span> </li> <li id="cite_note-4"><a href="#cite_ref-4">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.spaceweather.com/">Spaceweather.com</a>, länkad 31 jan 2009.</span> </li> </ol></div> <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 class="navbox" style="border-spacing:0; ;"><tbody><tr><td style="padding:2px;"><table class="collapsible auto" style="width:100%;border-spacing:0;background:transparent;color:inherit;;"><tbody><tr><th style=";background:#FFFF00;" colspan="3" class="navbox-title"><div style="float:left; width:3em;text-align:left;"><div class="noprint plainlinks" style="background-color:transparent; padding:0; white-space:nowrap; font-weight:normal; font-size:80%; border:none;; color: inherit;"><a href="/wiki/Mall:Solen" title="Mall:Solen"><span title="Visa denna mall" style="border:none;;">v</span></a>&#160;<span style="font-size:80%;">•</span>&#160;<a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:Solen&amp;action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;"><a href="/wiki/Solen" title="Solen">Solen</a></span></th></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-group" style=";width:6.5em; background:#FFFF00; line-height:1.4em;;">Inre struktur</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"><div style="padding:0em 0.25em"><a href="/w/index.php?title=Solens_k%C3%A4rna&amp;action=edit&amp;redlink=1" class="new" title="Solens kärna [inte skriven än]">Kärnan</a><span style="font-weight:bold;">&#160;· </span> <a href="/w/index.php?title=Str%C3%A5lningszonen&amp;action=edit&amp;redlink=1" class="new" title="Strålningszonen [inte skriven än]">Strålningszonen</a><span style="font-weight:bold;">&#160;· </span> <a href="/w/index.php?title=Tachoklinen&amp;action=edit&amp;redlink=1" class="new" title="Tachoklinen [inte skriven än]">Tachoklinen</a><span style="font-weight:bold;">&#160;· </span> <a href="/w/index.php?title=Konvektionszonen&amp;action=edit&amp;redlink=1" class="new" title="Konvektionszonen [inte skriven än]">Konvektionszonen</a></div></td><td style="width:0%;padding:0px 0px 0px 2px;" rowspan="11"><span typeof="mw:File"><a href="/wiki/Fil:Sun920607.jpg" class="mw-file-description" title="Solen"><img alt="Solen" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Sun920607.jpg/200px-Sun920607.jpg" decoding="async" width="200" height="199" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Sun920607.jpg/300px-Sun920607.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Sun920607.jpg/400px-Sun920607.jpg 2x" data-file-width="466" data-file-height="463" /></a></span></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";width:6.5em; 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background:#FFFF00; line-height:1.4em;;"><a href="/wiki/Variationer_av_solaktiviteten" title="Variationer av solaktiviteten">Variation</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"><div style="padding:0em 0.25em"><a href="/wiki/Solfl%C3%A4ckscykeln" title="Solfläckscykeln">Solfläckscykeln</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Flare" title="Flare">Flare</a> (<i><a href="/wiki/Solfackla" title="Solfackla">solfackla</a></i>)<span style="font-weight:bold;">&#160;· </span> <a href="/w/index.php?title=Helioseismologi&amp;action=edit&amp;redlink=1" class="new" title="Helioseismologi [inte skriven än]">Helioseismologi</a><span style="font-weight:bold;">&#160;· </span> <a href="/w/index.php?title=Solmaximum&amp;action=edit&amp;redlink=1" class="new" title="Solmaximum [inte skriven än]">Solmaximum</a>/<a href="/w/index.php?title=Solminimum&amp;action=edit&amp;redlink=1" class="new" title="Solminimum [inte skriven än]">Solminimum</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Solvind" title="Solvind">Solvind</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";width:6.5em; background:#FFFF00; line-height:1.4em;;"><a href="/wiki/Heliosf%C3%A4ren" class="mw-redirect" title="Heliosfären">Heliosfären</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-even"><div style="padding:0em 0.25em"><a href="/wiki/Heliofysik" title="Heliofysik">Heliofysik</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Heliopausen" class="mw-redirect" title="Heliopausen">Heliopausen</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Interstell%C3%A4ra_mediet" title="Interstellära mediet">Interstellära mediet</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";width:6.5em; background:#FFFF00; line-height:1.4em;;"><a href="/w/index.php?title=Utforskningen_av_Solen&amp;action=edit&amp;redlink=1" class="new" title="Utforskningen av Solen [inte skriven än]">Utforskningen<br />av Solen</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-odd"><div style="padding:0em 0.25em"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950"></div><table class="navbox-subgroup" style="width:100%;border-spacing:0;;;;"><tbody><tr><td class="navbox-group" style=";background:#FFFF00;;">Historiska<br />och nutida</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/wiki/Advanced_Composition_Explorer" title="Advanced Composition Explorer">Advanced Composition Explorer</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Genesis_(rymdsond)" title="Genesis (rymdsond)">Genesis</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Helios_(rymdsonder)" title="Helios (rymdsonder)">Helios</a> (<a href="/wiki/Helios_1" title="Helios 1">Helios 1</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Helios_2" title="Helios 2">Helios 2</a>)<span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Parker_Solar_Probe" title="Parker Solar Probe">Parker Solar Probe</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Pioneerprogrammet" title="Pioneerprogrammet">Pioneerprogrammet</a> (<a href="/wiki/Pioneer_6" title="Pioneer 6">Pioneer 6</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Pioneer_7" title="Pioneer 7">Pioneer 7</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Pioneer_8" title="Pioneer 8">Pioneer 8</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Pioneer_9" title="Pioneer 9">Pioneer 9</a>)<span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Solar_and_Heliospheric_Observatory" title="Solar and Heliospheric Observatory">SOHO</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Ulysses_(rymdsond)" title="Ulysses (rymdsond)">Ulysses</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/WIND" title="WIND">WIND</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Solar_Terrestrial_Relations_Observatory" title="Solar Terrestrial Relations Observatory">STEREO</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Solar_Orbiter" title="Solar Orbiter">Solar Orbiter</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";background:#FFFF00;;">Framtida</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><a href="/w/index.php?title=Vigil&amp;action=edit&amp;redlink=1" class="new" title="Vigil [inte skriven än]">Vigil</a></div></td></tr></tbody></table><div></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";width:6.5em; background:#FFFF00; line-height:1.4em;;">Övrigt</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-even"><div style="padding:0em 0.25em"><a href="/wiki/1859_%C3%A5rs_geomagnetiska_storm" title="1859 års geomagnetiska storm">1859 års geomagnetiska storm</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Midnattssol" title="Midnattssol">Midnattssol</a>/<a href="/wiki/Polarnatt" title="Polarnatt">Polarnatt</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Polarsken" title="Polarsken">Polarsken</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Solenergi" title="Solenergi">Solenergi</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Solf%C3%B6rm%C3%B6rkelse" title="Solförmörkelse">Solförmörkelse</a><span style="font-weight:bold;">&#160;· </span><a href="/wiki/Solinstr%C3%A5lning" title="Solinstrålning">Solinstrålning</a> (<i><a href="/w/index.php?title=Solarkonstanten&amp;action=edit&amp;redlink=1" class="new" title="Solarkonstanten [inte skriven än]">solarkonstanten</a></i>)<span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Solljus" title="Solljus">Solljus</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Solnedg%C3%A5ng" title="Solnedgång">Solnedgång</a>/<a href="/wiki/Soluppg%C3%A5ng" title="Soluppgång">Soluppgång</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Solsymbol" title="Solsymbol">Solsymbol</a><span style="font-weight:bold;">&#160;· </span> <a href="/wiki/Soltid" title="Soltid">Soltid</a>/<a href="/wiki/Sol%C3%A5r" title="Solår">Solår</a></div></td></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-abovebelow" style=";background:#FFFF00;" colspan="3"><a href="/wiki/Solsystemet" title="Solsystemet">Solsystemet</a></td></tr></tbody></table></td></tr></tbody></table> <!-- NewPP limit report Parsed by mw‐web.eqiad.main‐5dc468848‐mczng Cached time: 20241122232906 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] CPU time usage: 0.108 seconds Real time usage: 0.139 seconds Preprocessor visited node count: 1406/1000000 Post‐expand include size: 34291/2097152 bytes Template argument size: 34413/2097152 bytes Highest expansion depth: 15/100 Expensive parser function count: 0/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 6940/5000000 bytes Lua time usage: 0.004/10.000 seconds Lua memory usage: 632925/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 81.563 1 -total 69.16% 56.412 3 Mall:Navbox 64.83% 52.875 1 Mall:Solen 21.03% 17.150 1 Mall:Wayback 10.08% 8.221 1 Mall:Navbox_subgroup 8.22% 6.701 1 Mall:Navbar 8.07% 6.586 1 Mall:ISBN 3.62% 2.955 2 Mall:Transkludera 3.47% 2.831 42 Mall:· --> <!-- Saved in parser cache with key svwiki:pcache:idhash:947372-0!canonical and timestamp 20241122232906 and revision id 54142850. 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