{"id":8620,"date":"2014-10-20T15:10:12","date_gmt":"2014-10-20T14:10:12","guid":{"rendered":"http:\/\/www.holmbygden.se\/?page_id=8620"},"modified":"2022-10-22T23:36:53","modified_gmt":"2022-10-22T21:36:53","slug":"norrsken","status":"publish","type":"page","link":"https:\/\/www.holmbygden.se\/vader\/norrsken\/","title":{"rendered":"Norrsken"},"content":{"rendered":"<p><strong>Holm ligger p\u00e5 den 62:a breddgraden varvid det finns goda chanser att se norrsken en klar vinternatt med mycket geomagnetisk aktivitet i atmosf\u00e4ren. <\/strong>Nedan visas automatiskt uppdaterade observationer och prognoser f\u00f6r att kunna se norrsken. Observera att tider h\u00e4r anges i UT. Svenskt tid \u00e4r +1h vintertid och +2h sommartid.<br \/>\n<span class=\"wtb-ew-v1\" style=\"width: 204px; display: inline-block;\"><script src=\"https:\/\/www.worldtimebuddy.com\/clock_widget.js?h=100&#038;bc=8BA1BB&#038;cn=&#038;wt=c1\"><\/script><i><a href=\"https:\/\/www.worldtimebuddy.com\/\">World Clock<\/a><\/i><noscript><a href=\"https:\/\/www.worldtimebuddy.com\/\">World Clock<\/a><\/noscript><script>window[wtb_event_widgets.pop()].init()<\/script><\/span><\/p>\n<p><strong>Norrskensbilder fr\u00e5n Holm \u00e5r 2022<\/strong><\/p>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 25%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-8620 gallery-columns-4 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.holmbygden.se\/vader\/norrsken\/01-norrsken\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"130\" src=\"https:\/\/www.holmbygden.se\/wp-content\/uploads\/2022\/03\/01-norrsken-200x130.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.holmbygden.se\/vader\/norrsken\/02-norrsken\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"130\" src=\"https:\/\/www.holmbygden.se\/wp-content\/uploads\/2022\/03\/02-norrsken-200x130.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.holmbygden.se\/vader\/norrsken\/03-norrsken\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"130\" src=\"https:\/\/www.holmbygden.se\/wp-content\/uploads\/2022\/03\/03-norrsken-200x130.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/www.holmbygden.se\/vader\/norrsken\/04-norrsken\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"130\" src=\"https:\/\/www.holmbygden.se\/wp-content\/uploads\/2022\/03\/04-norrsken-200x130.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.holmbygden.se\/vader\/norrsken\/05-norrsken\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"130\" src=\"https:\/\/www.holmbygden.se\/wp-content\/uploads\/2022\/03\/05-norrsken-200x130.jpeg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.holmbygden.se\/vader\/norrsken\/06-norrsken\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"130\" src=\"https:\/\/www.holmbygden.se\/wp-content\/uploads\/2022\/03\/06-norrsken-200x130.jpeg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/www.holmbygden.se\/vader\/norrsken\/07-norrsken\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"130\" src=\"https:\/\/www.holmbygden.se\/wp-content\/uploads\/2022\/03\/07-norrsken-200x130.jpeg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/www.holmbygden.se\/vader\/norrsken\/08-norrsken\/'><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"130\" src=\"https:\/\/www.holmbygden.se\/wp-content\/uploads\/2022\/03\/08-norrsken-200x130.jpeg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p style=\"text-align: left;\"><strong>Molnighet<\/strong><br \/>\nNorrsken f\u00f6ruts\u00e4tter klart v\u00e4der f\u00f6r god sikt. Se n\u00e4rmre i v\u00e4derprognos f\u00f6r <a href=\"https:\/\/www.holmbygden.se\/vader\/\" target=\"_blank\" rel=\"noopener\">Holm<\/a> eller <a href=\"https:\/\/www.holmbygden.se\/vader\/sundsvall\" target=\"_blank\" rel=\"noopener\">Sundsvall<\/a>. S\u00e4rskilda satellitbild \u00f6ver aktuell molnighet \u00f6ver Sverige hittar du <a href=\"http:\/\/www.smhi.se\/vadret\/nederbord-molnighet\/satellit-europa\/msg_ovw_euro4_sv.htm\" target=\"_blank\" rel=\"noopener\">h\u00e4r<\/a>.<\/p>\n<p style=\"text-align: left;\"><strong>Magnetogram f\u00f6r Sundsvall, senaste dygnet <\/strong>(<a href=\"http:\/\/www.sm3esx.se\/\" target=\"_blank\" rel=\"noopener\">k\u00e4lla<\/a>)\u00a0 Aktivitet nu: <a href=\"http:\/\/www.n3kl.org\/sun\/noaa.html\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" style=\"margin: 0px; border: 0px;\" src=\"http:\/\/www.n3kl.org\/sun\/images\/kpstatus.gif?\" alt=\"Status\" width=\"121\" height=\"21\" border=\"0\" \/><\/a><br \/>\n<em>Se tid upp till h\u00f6ger i diagrammet (UTC +1h = vintertid, UTC + 2h = sommartid).<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.sm3esx.se\/idag_data\/sam_data.png\" alt=\"Magnetogram.\" width=\"642\" height=\"376\" \/><br \/>\nMagnetogram f\u00f6r Sundsvall. St\u00f6rre avvikelser i magnetf\u00e4ltet ger upphov till mer norrsken. Bz (gr\u00f6nt) b\u00f6r vara under strecket (minusladdat) f\u00f6r att Norrsken ska ses bra. <em><a href=\"http:\/\/www.sm3esx.se\/\" target=\"_blank\" rel=\"noopener\">K\u00e4lla<\/a><\/em><em>. <a href=\"http:\/\/www.sm3esx.se\/SAM_beskrivning.htm\" target=\"_blank\" rel=\"noopener\">Hur l\u00e4ses tabellen?<\/a>\u00a0Se fler magnetogram <a href=\"http:\/\/flux.phys.uit.no\/Last24\/\" target=\"_blank\" rel=\"noopener\">h\u00e4r<\/a>.<\/em><\/p>\n<p><strong>Prognos f\u00f6r norrsken \u00f6ver det tre n\u00e4rmsta dagarna<\/strong> (<a href=\"http:\/\/www.spaceweatherlive.com\/sv\/polarskensaktivitet\/polarskensprognos\" target=\"_blank\" rel=\"noopener\">k\u00e4lla<\/a>)<br \/>\n<img decoding=\"async\" src=\"http:\/\/www.high-iso.de\/solar\/kp_high.png\" alt=\"3-timmarsprognos f\u00f6r K-index p\u00e5 h\u00f6ga breddgrader\" \/><br \/>\nStapeldiagrammet ger en prognos f\u00f6r norrsken de n\u00e4rmsta dagarna. &#8221;Kp-index&#8221; indikerar geomagnetisk aktivitet. 1-3=lugnt magnetf\u00e4lt, 4-5=aktivt magnetf\u00e4lt, 6-8=storm, 9=kraftig storm. Fr\u00e5n Kp-index 3 finns chans att norrsken kan ses fr\u00e5n Holm och Sundsvall (<a href=\"http:\/\/www.spaceweatherlive.com\/en\/help\/the-kp-index\" target=\"_blank\" rel=\"noopener\">k\u00e4lla<\/a>).<br \/>\n<em>L\u00e4r dig mer om Kp-index <a href=\"http:\/\/www.swpc.noaa.gov\/info\/Kindex.html\" target=\"_blank\" rel=\"noopener\">h\u00e4r<\/a>.<\/em><\/p>\n<p><strong>Prognos f\u00f6r norrsken om 30 min <\/strong>(<a href=\"http:\/\/www.swpc.noaa.gov\/ovation\/\" target=\"_blank\" rel=\"noopener\">k\u00e4lla<\/a>\u00a0\/ <a href=\"http:\/\/www.spaceweatherlive.com\/sv\/polarskensaktivitet\/polarskensovalen\" target=\"_blank\" rel=\"noopener\">k\u00e4lla<\/a>)<br \/>\n<img decoding=\"async\" src=\"http:\/\/services.swpc.noaa.gov\/images\/aurora-forecast-northern-hemisphere.jpg\" alt=\"\" \/><br \/>\nModellen ber\u00e4knar energin av polarskensovalen om 30 min baserat p\u00e5 data fr\u00e5n <a href=\"http:\/\/sv.wikipedia.org\/wiki\/Advanced_Composition_Explorer\" target=\"_blank\" rel=\"noopener\">ACE-satelliten<\/a>.\u00a0 Vid v\u00e4rden\u00a0 &lt;20 GW = lite\/inget norrsken, 20-50 GW=m\u00f6jlighet att se n\u00e4ra norrskenet,\u00a0&gt;50 = stor chans att se med mycket aktivitet och r\u00f6relse p\u00e5 himlen. &gt;100 GW = Norrsken kan ses hundratals mil bort. Modellen visar inte bara intensiteten av polarskensovalen utan ocks\u00e5 var man kan ser polarsken just nu. Den r\u00f6da linjen visar var man kan se l\u00e5gt polarsken vid horisonten. Norrsken kan allt\u00e5s ses norr om den r\u00f6da linjen. Sannolikheten graderas efter f\u00e4rgskalan.<\/p>\n<p><strong>Ber\u00e4knad chans till norrsken idag<\/strong> (<a href=\"https:\/\/www.spaceweatherlive.com\/sv\/norrsken-i-realtid\" target=\"_blank\" rel=\"noopener\">k\u00e4lla<\/a>)<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.spaceweatherlive.com\/images\/grafieken\/aurora-map2.jpg\" alt=\"\" width=\"569\" \/><br \/>\nPrognoser fr\u00e5n Alaska geomagnetic institute och SpaceWeatherLive.com. Norr om den smala linjen finns m\u00f6jlighet att se norrsken.<\/p>\n<p><strong>Se fler parametrar och realtidsdata p\u00e5 <a href=\"https:\/\/www.spaceweatherlive.com\/\" target=\"_blank\" rel=\"noopener\">spaceweatherlive.com<\/a><\/strong><br \/>\nDesto r\u00f6dare m\u00e4tarna och f\u00e4lten visar, ju h\u00f6gre chans f\u00f6r norrsken.<\/p>\n<p><strong>KP-index kommande dygn och det senaste tv\u00e5 dygnen<\/strong> (K\u00e4lla: <a href=\"https:\/\/seetheaurora.com\/live-data\" target=\"_blank\" rel=\"noopener\">seetheaurora.com<\/a>)<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"font-weight: bold; background-color: #eeeeee;\" src=\"https:\/\/services.swpc.noaa.gov\/images\/planetary-k-index.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/p>\n<p><strong>Tidigare aktivitet den senaste veckan<\/strong><br \/>\n<img decoding=\"async\" style=\"float: left;\" src=\"http:\/\/flux.phys.uit.no\/Kindice\/k_tro2a.gif\" alt=\"K-indices f\u00f6r Troms\u00f6 senaste veckan.\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ffffff;\"><br \/>\n.<\/span><br \/>\nSe fler realtidsm\u00e4tare \u00f6ver \u00f6ver rymdv\u00e4derdata fr\u00e5n <a href=\"http:\/\/www.spaceweatherlive.com\/sv\/polarskensaktivitet\" target=\"_blank\" rel=\"noopener\">Spaceweatherlive.com<\/a>, NOAA \/ Space Weather Prediction Center <a href=\"http:\/\/www.n3kl.com\/sun\/noaa.html\" target=\"_blank\" rel=\"noopener\">h\u00e4r<\/a> och <a href=\"http:\/\/www.swpc.noaa.gov\/\" target=\"_blank\" rel=\"noopener\">h\u00e4r<\/a>, eller direkt fr\u00e5n <a href=\"http:\/\/www.swpc.noaa.gov\/ace\/ace_rtsw_data.html\" target=\"_blank\" rel=\"noopener\">ACE-satelliten<\/a>.<br \/>\n<span style=\"color: #ffffff;\">.<\/span><\/p>\n<p><strong>Community f\u00f6r norrsken<br \/>\n<\/strong>Facebookgruppen<a href=\"https:\/\/www.facebook.com\/norrskensverige\/\" target=\"_blank\" rel=\"noopener\"> Norrsken Sverige<\/a> kan man f\u00f6lja via deras sida och enkelt f\u00e5 uppdateringar om Norrsken och se foton p\u00e5 p\u00e5g\u00e5ende norrsken \u00f6ver hela landet.<\/p>\n<p><strong>Vad \u00e4r Norrsken?<\/strong><br \/>\nNorrsken, aurora borealis,\u00a0beror p\u00e5 solstormar med elektromagnetisk energi som slungas ut fr\u00e5n solen och tr\u00e4ffar jordens magnetf\u00e4lt. D\u00e4rvid\u00a0energi frig\u00f6rs och bildar ett vackert sken. Vill du l\u00e4ra dig mer om norrsken finns en liten film om hela f\u00f6rloppet <a href=\"https:\/\/www.youtube.com\/watch?v=3Oy4Mr6c6-0\" target=\"_blank\" rel=\"noopener\">h\u00e4r<\/a>, en norsk dokument\u00e4r <a href=\"http:\/\/tv.nrk.no\/serie\/jakten-paa-nordlyset\/DNPR64000113\/sesong-1\/episode-1\" target=\"_blank\" rel=\"noopener\">h\u00e4r<\/a> eller flera kortare amerikanska utbildningsfilmer <a href=\"http:\/\/www.swpc.noaa.gov\/Education\/index.html\" target=\"_blank\" rel=\"noopener\">h\u00e4r<\/a>.<iframe loading=\"lazy\" style=\"text-align: left;\" src=\"\/\/www.youtube.com\/embed\/fVsONlc3OUY\" width=\"255\" height=\"143\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><strong>Senaste nytt om rymdv\u00e4dret fr\u00e5n Spaceweatherlive.com<\/strong> <a href=\"http:\/\/www.spaceweatherlive.com\/rss_SWL.xml\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" title=\"RSS-fl\u00f6de f\u00f6r Spaceweatherlive.com.\" src=\"https:\/\/www.holmbygden.se\/wp-content\/uploads\/2011\/12\/rss.png\" alt=\"\" width=\"14\" height=\"14\" \/><\/a><br \/>\n<ul><li>11\/11: <a href=\"https:\/\/www.spaceweatherlive.com\/en\/news\/view\/563\/20241111-coronal-hole-faces-earth.html\" target=\"_blank\" title=\"Coronal hole faces Earth\">Coronal hole faces Earth<\/a> ... <a href=\"https:\/\/www.spaceweatherlive.com\/en\/news\/view\/563\/20241111-coronal-hole-faces-earth.html\" target=\"_blank\" title=\"Coronal hole faces Earth\">read more<\/a><\/li><li>1\/11: <a href=\"https:\/\/www.spaceweatherlive.com\/en\/news\/view\/562\/20241101-x2-0-solar-flare.html\" target=\"_blank\" title=\"X2.0 solar flare\">X2.0 solar flare<\/a> ... <a href=\"https:\/\/www.spaceweatherlive.com\/en\/news\/view\/562\/20241101-x2-0-solar-flare.html\" target=\"_blank\" title=\"X2.0 solar flare\">read more<\/a><\/li><li>9\/10: <a href=\"https:\/\/www.spaceweatherlive.com\/en\/news\/view\/561\/20241009-x1-8-solar-flare-severe-geomagnetic-storm-watch.html\" target=\"_blank\" title=\"X1.8 solar flare, severe geomagnetic storm watch\">X1.8 solar flare, severe geomagnetic storm watch<\/a> ... <a href=\"https:\/\/www.spaceweatherlive.com\/en\/news\/view\/561\/20241009-x1-8-solar-flare-severe-geomagnetic-storm-watch.html\" target=\"_blank\" title=\"X1.8 solar flare, severe geomagnetic storm watch\">read more<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Holm ligger p\u00e5 den 62:a breddgraden varvid det finns goda chanser att se norrsken en klar vinternatt med mycket geomagnetisk aktivitet i atmosf\u00e4ren. Nedan visas automatiskt uppdaterade observationer och prognoser f\u00f6r att kunna se norrsken. Observera att tider h\u00e4r anges &hellip; <a href=\"https:\/\/www.holmbygden.se\/vader\/norrsken\/\">Forts\u00e4tt l\u00e4sa <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":752,"menu_order":10,"comment_status":"open","ping_status":"closed","template":"sidebar-page.php","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-8620","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.holmbygden.se\/wp-json\/wp\/v2\/pages\/8620","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.holmbygden.se\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.holmbygden.se\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.holmbygden.se\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.holmbygden.se\/wp-json\/wp\/v2\/comments?post=8620"}],"version-history":[{"count":0,"href":"https:\/\/www.holmbygden.se\/wp-json\/wp\/v2\/pages\/8620\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.holmbygden.se\/wp-json\/wp\/v2\/pages\/752"}],"wp:attachment":[{"href":"https:\/\/www.holmbygden.se\/wp-json\/wp\/v2\/media?parent=8620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}