{"id":47438,"date":"2022-08-03T23:59:00","date_gmt":"2022-08-03T23:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=47438"},"modified":"2022-12-20T16:46:36","modified_gmt":"2022-12-20T16:46:36","slug":"severe-thunderstorms-across-the-upper-midwest-6","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/47438","title":{"rendered":"30-second imagery of severe thunderstorms across the Upper Midwest"},"content":{"rendered":"

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GOE S-16 \u201cRed\u201d Visible (0.64 \u00b5m) images, with time-matched SPC Storm Reports plotted in red [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>Overlapping 1-minute GOES-16 (GOES-East)<\/em> Mesoscale Domain Sectors provided 30-second \u201cRed\u201d Visible (0.64 \u00b5m<\/strong><\/a>) images (above)<\/strong><\/em>, which included time-matched plots of SPC Storm Reports<\/strong><\/a> \u2014 showing clusters of thunderstorms that moved eastward across parts of Illinois, Indiana and Lower Michigan on 03 August 2022<\/strong><\/a>.<\/p>\n

The corresponding 30-second GOES-16 \u201cClean\u201d Infrared Window (10.35 \u00b5m<\/strong><\/a>) images\u00a0(below)<\/strong><\/em> indicated that the coldest overshooting tops exhibited infrared brightness temperatures around -80\u00baC (violet pixels within areas of brighter white enhancement). In addition, an animation of 30-second GOES-16 Visible\/Infrared Sandwich RGB images is available here<\/strong><\/a>.<\/p>\n

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GOES-16 \u201cClean\u201d Infrared Window (10.35 \u00b5m) images, with time-matched SPC Storm Reports plotted in cyan [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>In a toggle between NOAA-20 VIIRS<\/strong><\/a> Infrared (11.45 \u00b5m) and GOES-16 ABI<\/strong><\/a> \u201cClean\u201d Infrared Window (10.35 \u00b5m) images valid at 1924 UTC (below)<\/strong><\/em>, the northwestward shift in GOES-16 image cloud-top features was associated with parallax<\/strong><\/a> (which in this case was a distance around 18-19km<\/strong><\/a> for the maximum Cloud Top Heights<\/strong><\/a> of 50,000-52,000 feet<\/strong><\/a>). The coldest NOAA-20 cloud-top infrared brightness temperatures at that time were around -84\u00baC (over far southern Lake Michigan), compared to around -77\u00baC with GOES-16 (identical color enhancements were applied to both images).<\/p>\n

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NOAA-20 Infrared Window (11.45 \u00b5m) and GOES-16 \u201cClean\u201d Infrared Window (10.35 \u00b5m) images valid at 1924 UTC [click to enlarge]<\/p><\/div>However, in a toggle between NOAA-20 Infrared Window (11.45 \u00b5m) and GOES-16 Cloud Top Temperature<\/strong><\/a> (CTT) derived product images valid at 1924 UTC (below)<\/strong><\/em>, the coldest sensed cloud-top temperature values over far southern Lake Michigan were closer (-84\u00baC with NOAA-20, vs -80\u00baC with the GOES-16 CTT product).<\/p>\n

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NOAA-20 Infrared Window (11.45 \u00b5m) and GOES-16 Cloud Top Temperature derived product images valid at 1924 UTC [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

Overlapping 1-minute GOES-16 (GOES-East) Mesoscale Domain Sectors provided 30-second \u201cRed\u201d Visible (0.64 \u00b5m) images (above), which included time-matched plots of SPC Storm Reports \u2014 showing clusters of thunderstorms that moved eastward across parts of Illinois, Indiana and Lower Michigan on 03 August 2022. The corresponding 30-second GOES-16 \u201cClean\u201d Infrared Window (10.35 \u00b5m) images\u00a0(below) indicated that […]<\/p>\n","protected":false},"author":18,"featured_media":47443,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,78,45,3,48],"tags":[],"class_list":["post-47438","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-noaa-20","category-redgreenblue-rgb-images","category-severe-convection","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/47438","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=47438"}],"version-history":[{"count":26,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/47438\/revisions"}],"predecessor-version":[{"id":49432,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/47438\/revisions\/49432"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/47443"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=47438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=47438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=47438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}