{"id":64451,"date":"2025-04-29T16:02:48","date_gmt":"2025-04-29T16:02:48","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=64451"},"modified":"2025-04-30T20:20:49","modified_gmt":"2025-04-30T20:20:49","slug":"power-outage-on-the-iberian-peninsula-in-the-day-night-band","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/64451","title":{"rendered":"Power outage on the Iberian Peninsula in the Day Night Band"},"content":{"rendered":"\n<p>Power outages over the Iberian Peninsula on 28-29 April 2025 have caused wide-spread travel (and life) disruptions (<a href=\"https:\/\/www.reuters.com\/world\/europe\/large-parts-spain-portugal-hit-by-power-outage-2025-04-28\/\">Reuters link<\/a>). Day Night Band imagery from the NASA Worldview Site (<a href=\"https:\/\/worldview.earthdata.nasa.gov\/?v=-12.299984276447358,35.24371761181202,0.6179388534478498,42.091884895163936&amp;l=Reference_Labels_15m(hidden),Reference_Features_15m(hidden),Coastlines_15m,VIIRS_SNPP_DayNightBand_At_Sensor_Radiance(hidden),VIIRS_NOAA20_DayNightBand_At_Sensor_Radiance,VIIRS_NOAA21_CorrectedReflectance_TrueColor(hidden),VIIRS_NOAA20_CorrectedReflectance_TrueColor(hidden),VIIRS_SNPP_CorrectedReflectance_TrueColor(hidden),MODIS_Aqua_CorrectedReflectance_TrueColor(hidden),MODIS_Terra_CorrectedReflectance_TrueColor&amp;lg=true&amp;t=2025-04-29-T14%3A32%3A55Z\">link<\/a>), shown below, show a reduction in city lights especially over southern Spain on the 29th.  The NOAA-20 overpass on 29 April was shortly after 0140 UTC.  Skies at that time were mostly clear over southern Spain<\/p>\n\n\n<div\n\t\tclass=\"ssec_slider_juxtapose\"\n\t\tid=\"ssec_slider_juxtapose_87978691\"\n\t\tdata-left-src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_28April2025T.jpg\"\n\t\tdata-left-label=\"NOAA-20 Day Night Band Imagery, 28 April 2025\"\n\t\tdata-right-src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_29April2025T.jpg\"\n\t\tdata-right-label=\"NOAA-20 Day Night Band Imagery, 29 April 2025\"\n\t\tdata-width=\"2343\"\n\t\tdata-height=\"1394\"\n\t\tdata-left-orig-src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_28April2025T.jpg\"\n\t\tdata-right-orig-src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_29April2025T.jpg\">\n\t<span class=\"ssec_slider_juxtapose_fullscreen_button\">\n\t\t<span class=\"fullscreen-icon\"><svg viewBox=\"0 0 12 12\" preserveAspectRatio=\"xMidYMid\" tabindex=\"-1\">\n\t\t\t<polyline class=\"fill\" points=\"6,6 5.9,2 4.9,3 2.9,1 1,2.9 3,4.9 2,5.9\"\n\t\t\t\t\t  transform=\"translate(6,6)\"><\/polyline>\n\t\t\t<polyline class=\"fill\" points=\"6,6 5.9,2 4.9,3 2.9,1 1,2.9 3,4.9 2,5.9\"\n\t\t\t\t\t  transform=\"translate(6,6) rotate(90)\"><\/polyline>\n\t\t\t<polyline class=\"fill\" points=\"6,6 5.9,2 4.9,3 2.9,1 1,2.9 3,4.9 2,5.9\"\n\t\t\t\t\t  transform=\"translate(6,6) rotate(180)\"><\/polyline>\n\t\t\t<polyline class=\"fill\" points=\"6,6 5.9,2 4.9,3 2.9,1 1,2.9 3,4.9 2,5.9\"\n\t\t\t\t\t  transform=\"translate(6,6) rotate(270)\"><\/polyline>\n\t\t\t<\/svg>\n\t\t<\/span>\n\t<\/span>\n<\/div>\n\n\n\n\n\n<p>The 3-day animation below includes imagery from 27 April as well.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2343\" height=\"1394\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_27-28-29April2025step.gif\" alt=\"\" class=\"wp-image-64452\"\/><figcaption class=\"wp-element-caption\">NOAA-20 Day Night Band visible (0.7 \u00b5m) imagery, 27-29 April 2025 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>When <a href=\"https:\/\/worldview.earthdata.nasa.gov\/?v=-12.299984276447358,35.067880028318655,0.6179388534478507,42.267722478657305&amp;l=Reference_Labels_15m(hidden),Reference_Features_15m(hidden),Coastlines_15m,VIIRS_SNPP_DayNightBand_At_Sensor_Radiance(hidden),VIIRS_NOAA20_DayNightBand_At_Sensor_Radiance,VIIRS_NOAA21_CorrectedReflectance_TrueColor(hidden),VIIRS_NOAA20_CorrectedReflectance_TrueColor(hidden),VIIRS_SNPP_CorrectedReflectance_TrueColor(hidden),MODIS_Aqua_CorrectedReflectance_TrueColor(hidden),MODIS_Terra_CorrectedReflectance_TrueColor&amp;lg=true&amp;t=2025-04-30-T14%3A32%3A55Z\">NOAA-20 overflew Spain early on 30 April<\/a>, Day Night Band imagery did not show widespread outages, as shown below.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_30April2025T.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"2416\" height=\"1487\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_30April2025T.jpg\" alt=\"\" class=\"wp-image-64472\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_30April2025T.jpg 2416w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_30April2025T-300x185.jpg 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_30April2025T-1024x630.jpg 1024w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_30April2025T-768x473.jpg 768w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_30April2025T-1536x945.jpg 1536w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/04\/N20_DNB_NASAWorldview_Iberian_30April2025T-2048x1261.jpg 2048w\" sizes=\"auto, (max-width: 2416px) 100vw, 2416px\" \/><\/a><figcaption class=\"wp-element-caption\">NOAA-20 Day Night Band visible (0.7 \u00b5m) imagery, 30 April 2025 (Click to enlarge)<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Power outages over the Iberian Peninsula on 28-29 April 2025 have caused wide-spread travel (and life) disruptions (Reuters link). Day Night Band imagery from the NASA Worldview Site (link), shown below, show a reduction in city lights especially over southern Spain on the 29th. The NOAA-20 overpass on 29 April was shortly after 0140 UTC. [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":64490,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[78],"tags":[],"class_list":["post-64451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noaa-20"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/64451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=64451"}],"version-history":[{"count":7,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/64451\/revisions"}],"predecessor-version":[{"id":64485,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/64451\/revisions\/64485"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/64490"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=64451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=64451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=64451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}