{"id":36027,"date":"2020-03-24T23:59:12","date_gmt":"2020-03-24T23:59:12","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=36027"},"modified":"2020-03-27T02:07:14","modified_gmt":"2020-03-27T02:07:14","slug":"lake-erie-mesovortex","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/36027","title":{"rendered":"Lake Erie mesovortex, and an undular bore over the Dakotas"},"content":{"rendered":"<p><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/03\/200324_goes16_visible_ascat_Lake_Erie_mesovortex_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/03\/le_vis-20200324_162756.png\" alt=\"GOES-16 \" width=\"640\" height=\"299\" \/><\/a><p class=\"wp-caption-text\">GOES-16 &#8220;Red&#8221; Visible<em> (0.64 \u00b5m)<\/em> images [click to play animation | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/03\/200324_goes16_visible_ascat_Lake_Erie_mesovortex_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>Two interesting small-scale features were seen in GOES-16<em> (GOES-East)<\/em> imagery on <a href=\"https:\/\/www.wpc.ncep.noaa.gov\/dailywxmap\/index_20200324.html\"><strong>24 March 2020<\/strong><\/a>. First of all, 1-minute <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/23225\"><strong>Mesoscale Domain Sector<\/strong><\/a>\u00a0&#8220;Red&#8221; Visible (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band02.pdf\"><strong>0.64 \u00b5m<\/strong><\/a>) images <em><strong>(above)<\/strong><\/em> showed a mesovortex that was migrating west-northwestward across Lake Erie during the day. This feature had a diameter of around 10 miles &#8212; such a small-scale circulation was not captured by Metop-A <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/03\/le_vis-20200324_150056.png\"><strong>ASCAT surface scatterometer data<\/strong><\/a>.<\/p>\n<p>During the preceding overnight hours, an early signature of the mesovortex was evident in Suomi NPP VIIRS Shortwave Infrared (3.74 \u00b5m) and &#8220;Fog product&#8221; Brightness Temperature Difference (BTD) images at 0806 UTC <em><strong>(below)<\/strong><\/em>.<\/p>\n<p><div style=\"width: 652px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/03\/200324_viirs_shortwaveInfrared_fogBTD_Lake_Erie_mesovortex_anim.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/03\/200324_viirs_shortwaveInfrared_fogBTD_Lake_Erie_mesovortex_anim.gif\" alt=\"Suomi NPP VIIRS Shortwave Infrared (3.74 \u00b5m) and &quot;Fog product&quot; Brightness Temperature Difference (BTD) images [click to enlarge]\" width=\"642\" height=\"300\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS Shortwave Infrared<em> (3.74 \u00b5m)<\/em> and &#8220;Fog product&#8221; Brightness Temperature Difference (BTD) images [click to enlarge]<\/p><\/div>The second feature of interest was a pre-cold-frontal undular bore that was moving eastward across the Dakotas, as seen in Day Cloud Phase Distinction Red-Green-Blue (RGB) images <em><strong>(below)<\/strong><\/em>.<\/p>\n<div style=\"width: 652px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/03\/200324_goes16_dayCloudPhaseDistinction_Dakotas_undular_bore_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/03\/dak_bore-20200324_170118.png\" alt=\"GOES-16 Day Cloud Phase Distinction RGB images [click to play animation | MP4]\" width=\"642\" height=\"300\" \/><\/a><p class=\"wp-caption-text\">GOES-16 Day Cloud Phase Distinction RGB images [click to play animation | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2020\/03\/200324_goes16_dayCloudPhaseDistinction_Dakotas_undular_bore_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Two interesting small-scale features were seen in GOES-16 (GOES-East) imagery on 24 March 2020. First of all, 1-minute Mesoscale Domain Sector\u00a0&#8220;Red&#8221; Visible (0.64 \u00b5m) images (above) showed a mesovortex that was migrating west-northwestward across Lake Erie during the day. This feature had a diameter of around 10 miles &#8212; such a small-scale circulation was not [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":36029,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,58,45,25,49,48],"tags":[],"class_list":["post-36027","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-metop","category-redgreenblue-rgb-images","category-satellite-winds","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/36027","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=36027"}],"version-history":[{"count":6,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/36027\/revisions"}],"predecessor-version":[{"id":36048,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/36027\/revisions\/36048"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/36029"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=36027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=36027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=36027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}