{"id":4346,"date":"2020-05-18T15:35:12","date_gmt":"2020-05-18T13:35:12","guid":{"rendered":"https:\/\/site.uit.no\/spaceweather\/?page_id=4346"},"modified":"2020-10-26T16:08:33","modified_gmt":"2020-10-26T15:08:33","slug":"radio-blackouts-and-radiation-storms","status":"publish","type":"page","link":"https:\/\/site.uit.no\/spaceweather\/radio-blackouts-and-radiation-storms\/","title":{"rendered":"Radio Blackouts and Radiation storms"},"content":{"rendered":"<div class=\"responsive-tabs\">\n<h2 class=\"tabtitle\">Radio Blackouts and Radiation Storms<\/h2>\n<div class=\"tabcontent\">\n\n\t<script>\n\t    setInterval(function()\n        {\n            if(document.hasFocus()){\n               d = new Date();\n               image = jQuery('img#image_autorefresh_S9PRd7tLv5');\n               if(image.data(\"query\") == ''){\n\t               image.attr(\"src\", image.data(\"src\") + \"?\" + d.getTime());\n               }else{\n\t               image.attr(\"src\", image.data(\"src\") + \"?\" + d.getTime() + \"&\" + image.data(\"query\"));\n               }    \n            }\n        }, 60000);\n\n\t<\/script>\n\n\t<div class=\"aligncenter\">\n\t<img decoding=\"async\" src=\"https:\/\/spaceweather2.uit.no\/noswe\/pics\/solar_wind_output.png\" \n\t\t data-src=\"https:\/\/spaceweather2.uit.no\/noswe\/pics\/solar_wind_output.png\"\n\t     data-query=\"\"\n\t     alt=\"\"\t\n\t     class=\"image_autorefresh\" \n\t     id=\"image_autorefresh_S9PRd7tLv5\"\n\t     data-refresh=\"60\"\n\t     \t     \t     >\n\t\t<\/div>\n\t\n\n<\/div><h2 class=\"tabtitle\">Information<\/h2>\n<div class=\"tabcontent\">\n\n<p>The warning thresholds for the Radio Blackouts and Radiation Storms follow the <a href=\"https:\/\/www.swpc.noaa.gov\/noaa-scales-explanation\">NOAA Space Weather Scales<\/a> <\/p>\n<h4 style=\"font-family: Arial, Helvetica, sans-serif;text-align: center;font-weight: bold;font-size:22px;margin-bottom: 0px\">Radio blackouts<\/h4>\n<table style=\"width: 100%;margin-left: auto;margin-right: auto;font-family: Arial, Helvetica, sans-serif;font-size: 18px\">\n<tbody>\n<tr>\n<th style=\"font-weight: normal;font-size:20px\">Colour<\/th>\n<th style=\"font-weight: normal;font-size:20px\">Description<\/th>\n<th style=\"font-weight: normal;font-size:20px\">Physical Measure<br \/>\nGOES 0.1-0.8 nm X-ray flux<\/th>\n<th style=\"font-weight: normal;font-size:20px\">NOAA scale<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#228B22\"><\/td>\n<td width=\"20%\">Quiet<\/td>\n<td width=\"58%\">&lt;10<sup>-5<\/sup><\/td>\n<td width=\"20%\"><\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#F6EB14\"><\/td>\n<td>Minor<\/td>\n<td>M1<br \/>\n(10<sup>-5<\/sup>)<\/td>\n<td>R1<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#FFC800\"><\/td>\n<td>Moderate<\/td>\n<td>M5<br \/>\n(5 x 10<sup>-5<\/sup>)<\/td>\n<td>R2<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#FF9600\"><\/td>\n<td>Strong<\/td>\n<td>X1<br \/>\n(10<sup>-4<\/sup>)<\/td>\n<td>R3<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#FF0000\"><\/td>\n<td>Severe<\/td>\n<td>X10<br \/>\n(10<sup>-3<\/sup>)<\/td>\n<td>R4<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#C80000\"><\/td>\n<td>Extreme<\/td>\n<td>X20<br \/>\n(2 x 10<sup>-3<\/sup>)<\/td>\n<td>R5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 style=\"font-family: Arial, Helvetica, sans-serif;text-align: center;font-weight: bold;font-size:22px;margin-bottom: 0px\">Radiation Storms<\/h4>\n<table style=\"width: 100%;margin-left: auto;margin-right: auto;font-family: Arial, Helvetica, sans-serif;font-size: 18px\">\n<tbody>\n<tr>\n<th style=\"font-weight: normal;font-size:20px\">Colour<\/th>\n<th style=\"font-weight: normal;font-size:20px\">Description<\/th>\n<th style=\"font-weight: normal;font-size:20px\">Physical Measure<br \/>\nFlux level of &gt;10 MeV particles (ions)<\/th>\n<th style=\"font-weight: normal;font-size:20px\">NOAA scale<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#228B22\"><\/td>\n<td width=\"20%\">Quiet<\/td>\n<td width=\"58%\">&lt;10<\/td>\n<td width=\"20%\"><\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#F6EB14\"><\/td>\n<td>Minor<\/td>\n<td>10<\/td>\n<td>S1<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#FFC800\"><\/td>\n<td>Moderate<\/td>\n<td>10<sup>2<\/sup><\/td>\n<td>S2<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#FF9600\"><\/td>\n<td>Strong<\/td>\n<td>10<sup>3<\/sup><\/td>\n<td>S3<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#FF0000\"><\/td>\n<td>Severe<\/td>\n<td>10<sup>4<\/sup><\/td>\n<td>S4<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#C80000\"><\/td>\n<td>Extreme<\/td>\n<td>10<sup>5<\/sup><\/td>\n<td>S5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The warning thresholds for the Radio Blackouts and Radiation Storms follow the NOAA Space Weather Scales Radio blackouts Colour Description Physical Measure GOES 0.1-0.8 nm X-ray flux NOAA scale Quiet &lt;10-5 Minor M1 (10-5) R1 Moderate M5 (5 x 10-5) R2 Strong X1 (10-4) R3 Severe X10 (10-3) R4 Extreme &#8230;<\/p>\n","protected":false},"author":1082,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4346","page","type-page","status-publish","hentry","column","threecol"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Radio Blackouts and Radiation storms - Norwegian Centre for Space Weather (NOSWE)<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/site.uit.no\/spaceweather\/radio-blackouts-and-radiation-storms\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Radio Blackouts and Radiation storms - Norwegian Centre for Space Weather (NOSWE)\" \/>\n<meta property=\"og:description\" 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