{"id":70941,"date":"2026-06-20T23:59:00","date_gmt":"2026-06-20T23:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=70941"},"modified":"2026-06-22T03:47:11","modified_gmt":"2026-06-22T03:47:11","slug":"iron-fire-forces-evacuations-in-eureka-utah-and-the-starry-fire-forces-evacuations-in-anderson-alaska","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/70941","title":{"rendered":"Iron Fire forces evacuations in Eureka, Utah &#8212; and the Starry Fire forces evacuations in Anderson, Alaska"},"content":{"rendered":"\n<figure class=\"wp-block-video aligncenter\"><video autoplay controls loop muted src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/06\/260620_goes18_trueColorRGB_Iron_Fire_UT.mp4\" playsinline><\/video><figcaption class=\"wp-element-caption\"><em>1-minute GOES-18 True Color RGB images, from 1300 UTC on 20 June to 0215 UTC on 21 June<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">1-minute Mesoscale Domain Sector GOES-18 <em>(GOES-West)<\/em> True Color RGB images <strong><em>(above)<\/em><\/strong> showed the development of pyrocumulus clouds and and a dense smoke plume associated with the Iron Fire in northern Utah (south of Salt Lake City) on 20 June 2026. At the beginning of the animation, a widespread veil of low-altitude smoke from the previous day of burning blanketed the area.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1-minute GOES-18 GeoColor RGB images with an overlay of <strong><a href=\"https:\/\/cimss.ssec.wisc.edu\/ngfs\/\">Next Generation Fire System<\/a><\/strong> (NGFS) Fire Detection polygons <strong><em>(below)<\/em><\/strong> highlighted the growth of the Iron Fire during the day &#8212; and it eventually forced evacuations for parts of Eureka, Utah. The Iron Fire burned very hot, first reaching the 137.88\u00baC saturation temperature of GOES-18 ABI Shortwave Infrared (3.9 \u00b5m) detectors at <strong><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/06\/260620_1705utc_goes18_geoColorRGB_ngfsFireDetections_Iron_Fire_UT_saturation.png\">1705 UTC<\/a><\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video autoplay controls loop muted src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/06\/260620_goes18_geoColorRGB_ngfsFireDetections_Iron_Fire_UT.mp4\" playsinline><\/video><figcaption class=\"wp-element-caption\"><em>1-minute GOES-18 GeoColor RGB images with an overlay of NGFS Fire Detection polygons, along with plots of surface reports, from 1300 UTC on 20 June to 0215 UTC on 21 June<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Farther to the north over Interior Alaska, 1-minute GOES-18 Fire Temperature RGB images with NGFS polygons <strong><em>(below)<\/em><\/strong> displayed the thermal signature of the Starry Fire &#8212; which forced an evacuation of the Anderson area on the evening of 20 June (local time). Early fire detection using GOES-18 was a challenge in this case, due to the presence of widespread dense convective clouds.<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video autoplay controls loop muted src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/06\/260620_goes18_fireTemperatureRGB_ngfsFireDetections_Starry_Fire_AK.mp4\" playsinline><\/video><figcaption class=\"wp-element-caption\"><em>1-minute GOES-18 Fire Temperature RGB images with an overlay of NGFS Fire Detection polygons, along with plots of surface reports, from 0300-0600 UTC on 21 June<\/em><\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>1-minute Mesoscale Domain Sector GOES-18 (GOES-West) True Color RGB images (above) showed the development of pyrocumulus clouds and and a dense smoke plume associated with the Iron Fire in northern Utah (south of Salt Lake City) on 20 June 2026. At the beginning of the animation, a widespread veil of low-altitude smoke from the previous [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":70945,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6,114,158,53,45],"tags":[],"class_list":["post-70941","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fire-detection","category-goes-18","category-ngfs","category-real-earth","category-redgreenblue-rgb-images"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/70941","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\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=70941"}],"version-history":[{"count":17,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/70941\/revisions"}],"predecessor-version":[{"id":70960,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/70941\/revisions\/70960"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/70945"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=70941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=70941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=70941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}