{"id":36079,"date":"2020-03-31T23:50:35","date_gmt":"2020-03-31T23:50:35","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=36079"},"modified":"2020-04-01T19:10:35","modified_gmt":"2020-04-01T19:10:35","slug":"contrails-over-wisconsin-and-a-mesovortex-moving-across-indiana","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/36079","title":{"rendered":"Contrails over Wisconsin, and a mesovortex moving across Indiana"},"content":{"rendered":"

\"GOES-16<\/a>

GOES-16 “Red” Visible (0.64 \u00b5m)<\/em>, Near-Infrared “Cirrus” (1.37 \u00b5m),<\/em> Near-Infrared “Snow\/Ice” (1.61 \u00b5m),<\/em> Upper-level Water Vapor (6.2 \u00b5m),<\/em> Mid-level Water Vapor (6.9 \u00b5m),<\/em> Low-level Water Vapor (7.3 \u00b5m),<\/em> “Clean” Infrared Window (10.35 \u00b5m)<\/em> and Day Cloud Phase Distinction RGB images [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>A sequence of GOES-16 (GOES-East)<\/em> “Red” Visible (0.64 \u00b5m<\/strong><\/a>), Near-Infrared “Cirrus” (1.37 \u00b5m<\/strong><\/a>), Near-Infrared “Snow\/Ice” (1.61 \u00b5m<\/strong><\/a>), Upper-level Water Vapor (6.2 \u00b5m<\/strong><\/a>), Mid-level Water Vapor (6.9 \u00b5m<\/strong><\/a>), Low-level Water Vapor (7.3 \u00b5m<\/strong><\/a>), “Clean” Infrared Window (10.35 \u00b5m<\/strong><\/a>) and Day Cloud Phase Distinction<\/strong><\/a> Red-Green-Blue (RGB)\u00a0 images (above)<\/strong><\/em> showed both circular and linear contrails over southern Wisconsin on 31 March 2020<\/strong><\/a>. The circular contrail was likely created by military aircraft (Wisconsin Air National Guard) performing training operations.<\/p>\n

A toggle between GOES-16 Visible and Cirrus images at 1601 UTC (below)<\/strong> <\/em>indicated that the darker signature seen in Visible imagery was actually the shadow from the high-altitude contrails being cast upon the top of the low-level stratus clouds.<\/p>\n

\"GOES-16<\/a>

GOES-16 “Red” Visible (0.64 \u00b5m),<\/em> and Near-Infrared “Cirrus” (1.37 \u00b5m)<\/em> images [click to enlarge]<\/p><\/div>Another feature of interest was revealed by 1-minute Mesoscale Domain Sector<\/strong><\/a> GOES-16 Visible images — a mesovortex that was moving southwestward from southwest Michigan across northwestern Indiana (below)<\/strong><\/em>. However, the small-scale circulation of the vortex was not captured by 1-minute GOES-16 Derived Motion Winds<\/strong><\/a>.<\/p>\n

\"GOES-16<\/a>

GOES-16 “Red” Visible (0.64 \u00b5m)<\/em> images, with Derived Motion Winds plotted in yellow [click to play animation | MP4<\/strong><\/a>]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

A sequence of GOES-16 (GOES-East) “Red” Visible (0.64 \u00b5m), Near-Infrared “Cirrus” (1.37 \u00b5m), Near-Infrared “Snow\/Ice” (1.61 \u00b5m), Upper-level Water Vapor (6.2 \u00b5m), Mid-level Water Vapor (6.9 \u00b5m), Low-level Water Vapor (7.3 \u00b5m), “Clean” Infrared Window (10.35 \u00b5m) and Day Cloud Phase Distinction Red-Green-Blue (RGB)\u00a0 images (above) showed both circular and linear contrails over southern Wisconsin […]<\/p>\n","protected":false},"author":18,"featured_media":36082,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,45,25],"tags":[],"class_list":["post-36079","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-redgreenblue-rgb-images","category-satellite-winds"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/36079","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=36079"}],"version-history":[{"count":5,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/36079\/revisions"}],"predecessor-version":[{"id":36081,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/36079\/revisions\/36081"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/36082"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=36079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=36079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=36079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}