{"id":19551,"date":"2015-09-19T21:59:45","date_gmt":"2015-09-19T21:59:45","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=19551"},"modified":"2015-09-20T15:51:22","modified_gmt":"2015-09-20T15:51:22","slug":"grass-fire-in-colorado","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/19551","title":{"rendered":"Grass fire in Colorado"},"content":{"rendered":"<p><div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2015\/09\/150918_goes15_goes13_visible_swir_CO_grassfire_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2015\/09\/150918_G15_G13_VIS_SWIR_CO_GRASSFIRE_40.GIF\" alt=\"GOES-15 (left panels) and GOES-13 (right panels) Visible (0.63 \u00b5m) and Shortwave infrared (3.9 \u00b5m) images [click to play animation]\" width=\"480\" height=\"360\" \/><\/a><p class=\"wp-caption-text\">GOES-15 (left panels) and GOES-13 (right panels) Visible (0.63 \u00b5m) and Shortwave infrared (3.9 \u00b5m) images [click to play animation]<\/p><\/div>GOES-15<em> (GOES-West)<\/em> and GOES-13 <em>(GOES-East)<\/em> Visible (0.63 \u00b5m) and Shortwave infrared (3.9 \u00b5m) images <em><strong>(above; click to play animation; also available as an <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2015\/09\/150918_goes15_goes13_visible_swir_CO_grassfire_anim.mp4\">MP4 movie file<\/a>)<\/strong><\/em> showed the smoke plume and &#8220;hot spot&#8221; <em>(dark black to red pixels)<\/em> associated with a large and fast-burning grass fire in north-central Colorado on the afternoon of <a href=\"http:\/\/www.wpc.ncep.noaa.gov\/dailywxmap\/index_20150918.html\"><strong>18 September 2015<\/strong><\/a>. The smoke plume was more apparent in the GOES-13 visible images, due a more favorable &#8220;forward scattering&#8221; sun-satellite geometry. The fire burned an estimated 12,669 acres, and dense smoke forced the closure of Interstate 76 for about an hour in the afternoon.<\/p>\n<p>On the following day, the fire burn scar could be seen in a comparison of Suomi NPP VIIRS\u00a0 true-color and false-color images from the <a href=\"http:\/\/realearth.ssec.wisc.edu\"><strong>SSEC RealEarth<\/strong><\/a> site <em><strong>(below)<\/strong><\/em>.<\/p>\n<p><div style=\"width: 491px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2015\/09\/150919_1937utc_suomi_npp_viirs_truecolor_falsecolor_CO_grassfire_burn_scar_anim.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2015\/09\/150919_1937utc_suomi_npp_viirs_truecolor_falsecolor_CO_grassfire_burn_scar_anim.gif\" alt=\"Suomi NPP VIIRS true-color and false-color images [click to enlarge]\" width=\"481\" height=\"330\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS true-color and false-color images [click to enlarge]<\/p><\/div>Due to the darker color and the lack of vegetation, the grass fire burn scar also exhibited a much warmer signature on the Terra MODIS Land Surface Temperature (LST) product <em><strong>(below)<\/strong><\/em> &#8212; LST values were as high as 112\u00ba F <em>(darker orange color enhancement)<\/em> within the burn scar, compared to LST values in the 80s and 90s F in surounding areas.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2015\/09\/MODIS_LST_20150919_1727.png\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2015\/09\/MODIS_LST_20150919_1727.png\" alt=\"Terra MODIS Land Surface Temperature product [click to enlarge]\" width=\"480\" height=\"399\" \/><\/a><p class=\"wp-caption-text\">Terra MODIS Land Surface Temperature product [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>GOES-15 (GOES-West) and GOES-13 (GOES-East) Visible (0.63 \u00b5m) and Shortwave infrared (3.9 \u00b5m) images (above; click to play animation; also available as an MP4 movie file) showed the smoke plume and &#8220;hot spot&#8221; (dark black to red pixels) associated with a large and fast-burning grass fire in north-central Colorado on the afternoon of 18 September [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":19553,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,6,11,43,12,53,45,49,48],"tags":[],"class_list":["post-19551","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-quality","category-fire-detection","category-goes-13","category-goes-15","category-modis","category-real-earth","category-redgreenblue-rgb-images","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/19551","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=19551"}],"version-history":[{"count":9,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/19551\/revisions"}],"predecessor-version":[{"id":19561,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/19551\/revisions\/19561"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/19553"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=19551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=19551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=19551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}