{"id":38092,"date":"2020-08-25T23:59:58","date_gmt":"2020-08-25T23:59:58","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=38092"},"modified":"2020-08-26T21:50:10","modified_gmt":"2020-08-26T21:50:10","slug":"laura-becomes-a-hurricane-in-the-gulf-of-mexico","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/38092","title":{"rendered":"Laura becomes a hurricane in the Gulf of Mexico"},"content":{"rendered":"<p><div style=\"width: 651px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/08\/200825_goes16_visible_infrared_Hurricane_Laura_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/08\/laura_vis-20200825_180125.png\" alt=\"GOES-16 \u201cRed\u201d Visible (0.64 \u00b5m) and \u201cClean\u201d Infrared Window (10.35 \u00b5m) images [click to play animation | MP4]\" width=\"641\" height=\"299\" \/><\/a><p class=\"wp-caption-text\">GOES-16 \u201cRed\u201d Visible <em>(0.64 \u00b5m)<\/em> and \u201cClean\u201d Infrared Window<em> (10.35 \u00b5m)<\/em> images [click to play animation | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/08\/200825_goes16_visible_infrared_Hurricane_Laura_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>1-minute\u00a0<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/23225\"><strong>Mesoscale Domain Sector<\/strong><\/a>\u00a0GOES-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>) and\u00a0\u201cClean\u201d Infrared Window (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band13.pdf\"><strong>10.35 \u00b5m<\/strong><\/a>) images <em><strong>(above)<\/strong> <\/em>showed <a href=\"https:\/\/www.nhc.noaa.gov\/archive\/2020\/LAURA.shtml?\"><strong>Laura<\/strong><\/a> during the the 12-hour period after it intensified from a Tropical Storm to a Hurricane in the southern Gulf of Mexico at 1215 UTC on 25 August 2020. Numerous convective overshooting tops were observed, some exhibiting cloud-top infrared brightness temperatures as cold as -87\u00baC.<\/p>\n<p>A comparison of NOAA-20 <a href=\"https:\/\/www.ospo.noaa.gov\/Products\/atmosphere\/mirs\/index.html\"><strong>MiRS<\/strong><\/a> Microwave (88 GHz), GOES-16 &#8220;Red&#8221; Visible (0.64 \u00b5m) and GOES-16 &#8220;Clean&#8221; Infrared Window (10.35 \u00b5m) images at 1851 UTC <em><strong>(below)<\/strong> <\/em>revealed a curved convective band wrapping around the eye of Laura.<\/p>\n<p><div style=\"width: 653px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/08\/200825_1851utc_noaa20mirsMicrowave_goes16Visible_goes16Infrared_Hurricane_Laura_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/08\/200825_1851utc_noaa20mirsMicrowave_goes16Visible_goes16Infrared_Hurricane_Laura_anim.gif\" alt=\"NOAA-20 MIRS Microwave (88 GHz), GOES16 \" width=\"643\" height=\"300\" \/><\/a><p class=\"wp-caption-text\">NOAA-20 MiRS Microwave<em> (88 GHz),<\/em> GOES-16 &#8220;Red&#8221; Visible <em>(0.64 \u00b5m)<\/em> and GOES-16 &#8220;Clean&#8221; Infrared Window <em>(10.35 \u00b5m)<\/em> images at 1851 UTC [click to enlarge]<\/p><\/div>In a toggle between Infrared Window images from Suomi NPP (11.45 \u00b5m) and GOES-16 (10.35 \u00b5m) at 1943 UTC <em><strong>(below),<\/strong><\/em> the coldest cloud-top infrared brightness temperature was -91.9\u00baC in the Suomi NPP image (compared to -87.0\u00baC on the GOES-16 image). The northwestward <a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/webapps\/parallax\/overview_updated.html\"><strong>parallax displacement<\/strong><\/a>\u00a0associated with GOES-16 imagery over the southern Gulf of Mexico was also apparent.<\/p>\n<div style=\"width: 653px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/08\/200825_1943utc_suomiNPP_goes16_infrared_Hurricane_Laura_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/08\/200825_1943utc_suomiNPP_goes16_infrared_Hurricane_Laura_anim.gif\" alt=\"Infrared Window images from Suomi NPP (11.45 \u00b5m) and GOES-16 (10.35 \u00b5m) images at 1943 UTC [click to enlarge]\" width=\"643\" height=\"300\" \/><\/a><p class=\"wp-caption-text\">Infrared Window images from Suomi NPP<em> (11.45 \u00b5m)<\/em> and GOES-16 <em>(10.35 \u00b5m)<\/em> at 1943 UTC [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>1-minute\u00a0Mesoscale Domain Sector\u00a0GOES-16\u00a0(GOES-East)\u00a0\u201cRed\u201d Visible (0.64 \u00b5m) and\u00a0\u201cClean\u201d Infrared Window (10.35 \u00b5m) images (above) showed Laura during the the 12-hour period after it intensified from a Tropical Storm to a Hurricane in the southern Gulf of Mexico at 1215 UTC on 25 August 2020. Numerous convective overshooting tops were observed, some exhibiting cloud-top infrared brightness temperatures [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":38094,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,79,78,49,2,48],"tags":[],"class_list":["post-38092","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-microwave","category-noaa-20","category-suomi_npp","category-tropical-cyclones","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38092","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=38092"}],"version-history":[{"count":6,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38092\/revisions"}],"predecessor-version":[{"id":38099,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/38092\/revisions\/38099"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/38094"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=38092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=38092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=38092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}