{"id":23800,"date":"2017-04-25T23:59:59","date_gmt":"2017-04-25T23:59:59","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=23800"},"modified":"2017-04-28T15:47:30","modified_gmt":"2017-04-28T15:47:30","slug":"goes-16-daytime-and-nighttime-images-of-the-west-mims-fire-in-georgia","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/23800","title":{"rendered":"GOES-16 daytime and nighttime images of the West Mims Fire in Georgia"},"content":{"rendered":"<p><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/170425_goes16_visible_shortwaveIR_GA_fires_zoom_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/320x1280_AGOES16_B127_G16_VIS_SWIR_GA_FIRES_ZOOM_3PANEL_25APR2017_2017115_221720_0003PANELS.GIF\" alt=\"GOES-16 Blue Visible (0.47 \u00b5m, top), Red Visible (0.64 \u00b5m, center) and Shortwave Infrared (3.9 \u00b5m, bottom) images, with hourly surface plots in yellow [click to play animation]\" width=\"640\" height=\"480\" \/><\/a><p class=\"wp-caption-text\">GOES-16 &#8220;Blue&#8221; Visible (0.47 \u00b5m, top), &#8220;Red&#8221; Visible (0.64 \u00b5m, center) and Shortwave Infrared (3.9 \u00b5m, bottom) images, with hourly surface plots in yellow [click to play animation]<\/p><\/div><em>** The GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing. **<\/em><\/p>\n<p>A daytime comparison of GOES-16 <a href=\"http:\/\/www.goes-r.gov\/spacesegment\/abi.html\"><strong>ABI<\/strong><\/a> &#8220;Blue&#8221; Visible (<a href=\"http:\/\/www.goes-r.gov\/education\/docs\/ABI-bands-FS\/ABI%20Band%201%20Fact%20Sheet_Revised%202.24.15.pdf\"><strong>0.47 \u00b5m<\/strong><\/a>), &#8220;Red&#8221; Visible (<a href=\"http:\/\/www.goes-r.gov\/education\/docs\/ABI-bands-FS\/ABI%20Fact%20Sheet%20Band%202.pdf\"><strong>0.64 \u00b5m<\/strong><\/a>) and Shortwave Infrared (<a href=\"http:\/\/www.goes-r.gov\/education\/docs\/ABI-bands-FS\/ABIBand7ShortwaveWindowFINAL.pdf\"><strong>3.9 \u00b5m<\/strong><\/a>) images<em><strong> (above; <\/strong>also available as an<strong> <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/170425_goes16_visible_shortwaveIR_GA_fires_zoom_anim.mp4\">MP4 animation<\/a>)<\/strong><\/em> displayed the smoke plume and &#8220;hot spots&#8221; <em>(black to yellow to red pixels)<\/em> associated with the <a href=\"https:\/\/inciweb.nwcg.gov\/incident\/5153\/\"><strong>West Mims Fire<\/strong><\/a> that was burning in far southeastern Georgia on <a href=\"http:\/\/www.wpc.ncep.noaa.gov\/dailywxmap\/index_20170425.html\"><strong>25 April 2017<\/strong><\/a> (this fire complex had been burning since 06 April, during which time the <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/170404-25_GA_drought_monitor_anim.gif\"><strong>drought conditions<\/strong><\/a> had been worsening across that region). Downwind of the fire, in far northeastern Florida, smoke reduced the surface visibility to 2 miles at <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/170425_KJAX_SFCMG.GIF\"><strong>Jacksonville<\/strong><\/a> and 5 miles at <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/170425_KFHB_SFCMG.GIF\"><strong>Fernandina Beach<\/strong><\/a>.<\/p>\n<p>During the subsequent nighttime hours &#8212; as the fires were beginning to decrease in both intensity and areal coverage &#8212; a comparison of &#8220;Snow\/Ice&#8221; Near-Infrared (<a href=\"http:\/\/www.goes-r.gov\/education\/docs\/ABI-bands-FS\/ABI_Band%205_snow-ice_factsheet_FINAL.pdf\"><strong>1.61 \u00b5m<\/strong><\/a>), &#8220;Cloud-Top Phase&#8221; Near-Infrared (<a href=\"http:\/\/www.goes-r.gov\/education\/docs\/ABI-bands-FS\/ABIBand6CloudParticleSizeFactSheetFINAL.pdf\"><strong>2.24 \u00b5m<\/strong><\/a>) and Shortwave Infrared <a href=\"http:\/\/www.goes-r.gov\/education\/docs\/ABI-bands-FS\/ABIBand7ShortwaveWindowFINAL.pdf\"><strong>(3.9 \u00b5m<\/strong><\/a>) images <em><strong>(below;<\/strong> also available as an<strong> <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/170425_goes16_nearIR_shortwaveIR_GA_fires_zoom_anim.mp4\">MP4 animation<\/a>)<\/strong> <\/em>showed that a bright glow from the most intense fires was evident in both of the Near-Infrared spectral bands.<\/p>\n<p><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/170425_goes16_nearIR_shortwaveIR_GA_fires_zoom_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/320x1280_AGOES16_B567_G16_NIR_SWIR_GA_FIRES_ZOOM_3PANEL_25APR2017_2017116_003720_0003PANELS.GIF\" alt=\"GOES-16 \" width=\"640\" height=\"480\" \/><\/a><p class=\"wp-caption-text\">GOES-16 &#8220;Snow\/Ice&#8221; Near-Infrared (1.61 \u00b5m, top), &#8220;Cloud-Top Phase&#8221; Near-Infrared (2.24 \u00b5m, center) and Shortwave Infrared (3.9 \u00b5m, bottom) images, with hourly surface plots in yellow [click to play animation]<\/p><\/div>Although the spatial resolution of the 1.61 \u00b5m Band 5 is <strong>1 km<\/strong> (at satellite sub-point) versus <strong>2 km<\/strong> for the 2.24 \u00b5m Band 6, the bright nighttime fire signature was more defined on the 2.24 \u00b5m imagery; this is explained by examining a plot of the Spectral Response Function (SRF) for each band <em><strong>(below; <\/strong>courtesy of<\/em> <em>Mat Gunshor, CIMSS<strong>)<\/strong><\/em>. For a very hot fire target &#8212; represented by the red 1200 K line &#8212; the 2.24 \u00b5m Band 6 SRF is located near the peak of the 1200 K curve, so more of the fire-emitted radiance can be sensed by Band 6 (in spite of its lower spatial resolution).<\/p>\n<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/ABI_Band_5_6_7_Spectral_Response_Functions_Fires.png\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/04\/ABI_Band_5_6_7_Spectral_Response_Functions_Fires.png\" alt=\"Spectral Response Function plots for GOES-16 ABI Band 5 (1.61 \u00b5m), Band 6 (2.24 \u00b5m) and Band 7 (3.9 \u00b5m) [click to enlarge]\" width=\"640\" height=\"498\" \/><\/a><p class=\"wp-caption-text\">Spectral Response Function plots for GOES-16 ABI Band 5 (1.61 \u00b5m), Band 6 (2.24 \u00b5m) and Band 7 (3.9 \u00b5m) [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>** The GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing. ** A daytime comparison of GOES-16 ABI &#8220;Blue&#8221; Visible (0.47 \u00b5m), &#8220;Red&#8221; Visible (0.64 \u00b5m) and Shortwave Infrared (3.9 \u00b5m) images (above; also available as an MP4 animation) displayed the smoke plume and &#8220;hot spots&#8221; (black to yellow to [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":23802,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,6,74],"tags":[],"class_list":["post-23800","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-quality","category-fire-detection","category-goes-16"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/23800","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=23800"}],"version-history":[{"count":15,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/23800\/revisions"}],"predecessor-version":[{"id":23816,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/23800\/revisions\/23816"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/23802"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=23800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=23800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=23800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}