{"id":38421,"date":"2020-09-19T23:01:11","date_gmt":"2020-09-19T23:01:11","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=38421"},"modified":"2020-09-22T02:48:31","modified_gmt":"2020-09-22T02:48:31","slug":"pyrocumulonibus-cloud-from-the-mullen-fire-in-wyoming","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/38421","title":{"rendered":"Pyrocumulonimbus clouds produced by the Mullen Fire in Wyoming"},"content":{"rendered":"<p><div style=\"width: 651px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/09\/200919_goes16_visible_shortwaveInfrared_longwaveInfrared_WY_pyroCb_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/09\/G16_VIS_SWIR_IR_WY_PYROCB_19SEP2020_B2713_2020263_204116_0003PANELS_FRAME00045.GIF\" alt=\"GOES-16 \u201cRed\u201d Visible (0.64 \u00b5m, top), Shortwave Infrared (3.9 \u00b5m, center) and \u201cClean\u201d Infrared Window (10.35 \u00b5m, bottom) images, with hourly plots of surface reports [click to play animation | MP4]\" width=\"641\" height=\"572\" \/><\/a><p class=\"wp-caption-text\">GOES-16 \u201cRed\u201d Visible <em>(0.64 \u00b5m, top),<\/em> Shortwave Infrared<em> (3.9 \u00b5m, center)<\/em> and \u201cClean\u201d Infrared Window <em>(10.35 \u00b5m, bottom)<\/em> images, with hourly plots of surface reports [click to play animation | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/09\/200919_goes16_visible_shortwaveInfrared_longwaveInfrared_WY_pyroCb_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>GOES-16\u00a0<em>(GOES-East)<\/em>\u00a0\u201cRed\u201d Visible (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band02.pdf\"><strong>0.64 \u00b5m<\/strong><\/a>), Shortwave Infrared (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band07.pdf\"><strong>3.9 \u00b5m<\/strong><\/a>) and \u201cClean\u201d Infrared Window (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band13.pdf\"><strong>10.35 \u00b5m<\/strong><\/a>) images\u00a0<em><strong>(above)<\/strong><\/em> showed a series of pyrocumulonimbus (pyroCb) pulses emanating from the <a href=\"https:\/\/inciweb.nwcg.gov\/incident\/7208\"><strong>Mullen Fire<\/strong><\/a> in southeastern Wyoming on <a href=\"https:\/\/www.wpc.ncep.noaa.gov\/dailywxmap\/index_20200919.html\"><strong>19 September 2020<\/strong><\/a>. Each of the\u00a0 pulses exhibited 10.35 \u00b5m brightness temperatures of -40\u00baC and colder\u00a0 <em>(shades of blue)<\/em> \u2014 assuring the heterogeneous nucleation of all supercooled water droplets to form ice crystals, thereby meeting the criteria of a pyroCb.<\/p>\n<p>The coldest cloud-top infrared brightness temperatures were around -47\u00baC, which corresponded to altitudes near 11 km according to <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/09\/200920_00UTC_KRIW_RAOB_DATA.TEXT\"><strong>rawinsonde data<\/strong><\/a> from Riverton, Wyoming <em><strong>(below)<\/strong><\/em>.<\/p>\n<div style=\"width: 653px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/09\/200920_00UTC_KRIW_RAOB.GIF\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/09\/200920_00UTC_KRIW_RAOB.GIF\" alt=\"Plot of 00 UTC rawinsonde data from Riverton, Wyoming [click to enlarge]\" width=\"643\" height=\"483\" \/><\/a><p class=\"wp-caption-text\">Plot of 00 UTC rawinsonde data from Riverton, Wyoming [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>GOES-16\u00a0(GOES-East)\u00a0\u201cRed\u201d Visible (0.64 \u00b5m), Shortwave Infrared (3.9 \u00b5m) and \u201cClean\u201d Infrared Window (10.35 \u00b5m) images\u00a0(above) showed a series of pyrocumulonimbus (pyroCb) pulses emanating from the Mullen Fire in southeastern Wyoming on 19 September 2020. Each of the\u00a0 pulses exhibited 10.35 \u00b5m brightness temperatures of -40\u00baC and colder\u00a0 (shades of blue) \u2014 assuring the heterogeneous nucleation [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":38424,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6,74],"tags":[],"class_list":["post-38421","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fire-detection","category-goes-16"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38421","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=38421"}],"version-history":[{"count":6,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38421\/revisions"}],"predecessor-version":[{"id":38428,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38421\/revisions\/38428"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/38424"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=38421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=38421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=38421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}