{"id":63324,"date":"2025-03-05T21:59:54","date_gmt":"2025-03-05T21:59:54","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=63324"},"modified":"2025-03-11T19:11:12","modified_gmt":"2025-03-11T19:11:12","slug":"ngfs-detection-of-a-barrier-island-fire-in-texas-goes-and-viirs","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/63324","title":{"rendered":"NGFS detection of a barrier island fire in Texas:  GOES and VIIRS"},"content":{"rendered":"\n<figure class=\"wp-block-video\"><video height=\"786\" style=\"aspect-ratio: 1392 \/ 786;\" width=\"1392\" controls loop src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/goeseast_abi_radc_true_color_night_s20250305163117_e20250305191117_f32.mp4\"><\/video><\/figure>\n\n\n\n<p>CSPP Geosphere imagery on 5 March, above, (<a href=\"https:\/\/geosphere.ssec.wisc.edu\/#playing:true;coordinate:-2044628,2868006;zoom:8;coverage:radc;product:%5B%7B%22n%22:%22true_color_night%22,%22a%22:1%7D%5D;map_borders:off;num_frames:32;start_time:2025-03-05T16:31:17Z;timeframe:Start%20Time;\">direct link to imagery<\/a>), shows the development of a smoke plume from a fire at the north end of San Jose Island. When did the Next Generation Fire System first identify the fire that caused the smoke plume? The NGFS Alerts Dashboard, below, shows a detection over Aransas County.<\/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\/03\/NGFSDashboard_AransasCounty.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"690\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFSDashboard_AransasCounty-1024x690.png\" alt=\"\" class=\"wp-image-63328\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFSDashboard_AransasCounty-1024x690.png 1024w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFSDashboard_AransasCounty-300x202.png 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFSDashboard_AransasCounty-768x518.png 768w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFSDashboard_AransasCounty-1536x1035.png 1536w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFSDashboard_AransasCounty.png 1620w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">NGFS Alerts Dashboard at 1908 UTC on 5 March 2024 (Click to enlarge);  note that only CONUS scanning is shown for the Aransas County detection because Mesosectors were viewing elsewhere<\/figcaption><\/figure>\n\n\n\n<p>What did those CONUS (every five minute) detections show?The animation below shows NGFS Microphysics, Fire Temperature RGB and Band 7 (Shortwave infrared, 3.9 \u00b5m) imagery from GOES-16. The NGFS detection occurred at 1646 UTC. The fire develops quickly and the Fire Temperature RGB and Band 7 imagery <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFSBand07FireTRGB_5March2025_1701.png\">show a very obvious fire signal by 1701 UTC<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFS_FourPanel_5March2025_1636_to_1701step.gif\"><img decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFS_FourPanel_5March2025_1636_to_1701step.gif\" alt=\"\" class=\"wp-image-63326\" style=\"width:1086px;height:auto\"\/><\/a><figcaption class=\"wp-element-caption\">GOES-16 NGFS Microphysics RGB (upper left), Google Map (upper right), GOES-16 Band 7 Shortwave Infrared  (3.9 \u00b5m, lower left) and GOES-16 Fire Temperature RGB (lower right), 1636-1701 UTC on 5 March 2025 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>NGFS detections also occur with VIIRS imagery that has much greater spatial resolution, as fine as 375m for some infrared (and visible) channels.  The NOAA-21 overpass shows a smoke plume in the GeoColor imagery below, and three separate fire detections in these Real Earth screenshots (<a href=\"https:\/\/re-ngfs.ssec.wisc.edu\/s\/xcOT\">from here<\/a>).<\/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\/03\/RENOAA21_GeoColor_5March2025_1922c.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"547\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_GeoColor_5March2025_1922c-1024x547.png\" alt=\"\" class=\"wp-image-63335\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_GeoColor_5March2025_1922c-1024x547.png 1024w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_GeoColor_5March2025_1922c-300x160.png 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_GeoColor_5March2025_1922c-768x410.png 768w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_GeoColor_5March2025_1922c-1536x820.png 1536w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_GeoColor_5March2025_1922c.png 1610w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">NOAA-21 NGFS Fire Detections superimposed on GeoColor imagery, 1922 UTC on 5 March 2024 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p>A zoomed-in view of the NGFS detections and the NGFS Microphysics is shown below.  Of particular note is that VIIRS data resolves three separate fires.<\/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\/03\/RENOAA21_NGFS_N21Microphysics_5March2025_1922c.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"547\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_NGFS_N21Microphysics_5March2025_1922c-1024x547.png\" alt=\"\" class=\"wp-image-63336\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_NGFS_N21Microphysics_5March2025_1922c-1024x547.png 1024w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_NGFS_N21Microphysics_5March2025_1922c-300x160.png 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_NGFS_N21Microphysics_5March2025_1922c-768x410.png 768w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_NGFS_N21Microphysics_5March2025_1922c-1536x820.png 1536w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/RENOAA21_NGFS_N21Microphysics_5March2025_1922c.png 1610w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">VIIRS-based NGFS fire detections plotted on top of an NGFS Microphysics RGB, 1922 UTC on 5 March 2025 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p>What did GOES show at the same time? That&#8217;s shown below in a toggle between GeoColor and the NGFS Microphysics RGB. The advantages of the higher-resolution VIIRS imagery shown above is obvious.  VIIRS coverage is somewhat limited over CONUS; it is much more plentiful over Alaska where GOES pixel sizes have become large because of the distance to Alaska from the sub-satellite point of GOES-18. <\/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\/03\/G16GeoCOlorNGFSMicrophysics_1921UTC_5March2024toggle.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"1610\" height=\"860\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/G16GeoCOlorNGFSMicrophysics_1921UTC_5March2024toggle.gif\" alt=\"\" class=\"wp-image-63337\"\/><\/a><figcaption class=\"wp-element-caption\">GOES-16 GeoColor and NGFS MIcrophysics, 1921 UTC on 5 March 2025 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p>This detection on 5 March was over a relatively uninhabited region, where satellite detection will likely give the earliest alert for responders. On 4 March, when much of south Texas was <a href=\"https:\/\/www.spc.noaa.gov\/products\/fire_wx\/2025\/250304_1700_fwdy1_print.html\">within a critical fire weather outlook from SPC<\/a>, a fire developed within the pixels that included at the <a href=\"https:\/\/x.com\/NWSCorpus\/status\/1897074952744132984\">NWS Corpus Christi office<\/a>!  The NGFS detections for that (brief) grassland fire are shown below.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFSMicroRGB_4March2025_2151_to_2236step.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"1571\" height=\"1071\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2025\/03\/NGFSMicroRGB_4March2025_2151_to_2236step.gif\" alt=\"\" class=\"wp-image-63332\"\/><\/a><figcaption class=\"wp-element-caption\">NGFS MIcrophysics and Fire Detections near Corpus Christi TX, 2151 &#8211; 2236 UTC on 4 March 2025 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p>This example on 4 March demonstrates why it&#8217;s important for a weather office to have windows!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CSPP Geosphere imagery on 5 March, above, (direct link to imagery), shows the development of a smoke plume from a fire at the north end of San Jose Island. When did the Next Generation Fire System first identify the fire that caused the smoke plume? The NGFS Alerts Dashboard, below, shows a detection over Aransas [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":63330,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,158,131],"tags":[],"class_list":["post-63324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-ngfs","category-noaa-21"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/63324","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=63324"}],"version-history":[{"count":8,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/63324\/revisions"}],"predecessor-version":[{"id":63422,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/63324\/revisions\/63422"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/63330"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=63324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=63324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=63324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}