{"id":70269,"date":"2026-05-04T23:59:00","date_gmt":"2026-05-04T23:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=70269"},"modified":"2026-05-09T00:48:23","modified_gmt":"2026-05-09T00:48:23","slug":"blowing-dust-across-parts-of-illinois-and-indiana","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/70269","title":{"rendered":"Blowing dust across parts of Illinois and Indiana"},"content":{"rendered":"

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1-minute GOES-19 GeoColor RGB images, with either plots of surface observations or map labels, from 1900-2340 UTC on 04 May [click to play MP4 animation]<\/p><\/div>1-minute Mesoscale Domain Sector GOES-19 (GOES-East)<\/em>\u00a0GeoColor RGB images (above)<\/strong><\/em> showed areas of blowing dust — lofted by strong southwest winds (with gusts in the 30-40 mph range) blowing across recently-plowed agricultural fields — that were being transported northeastward from central Illinois to northern Indiana on 04 May 2026<\/strong><\/a>.<\/p>\n

A Blowing Dust Advisory<\/strong><\/a> had been issued for the entire region earlier in the day — and three Dust Storm Warnings<\/strong><\/a> were later issued for parts of central Illinois (below)<\/strong><\/em>\u00a0as the plumes of blowing dust began to increase during the afternoon hours. Blowing dust reduced the surface visibility to 1.75 miles at Danville (KDNV<\/strong><\/a>), 5 miles at Rantoul (KTIP<\/strong><\/a>) and 7 miles at Kankakee (KIKK<\/strong><\/a>).<\/p>\n

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GOES-19 True Color RGB image at 2038 UTC on 04 May, with 3 Dust Storm Warning polygons (bold tan) that had been issued over central Illinois [click to enlarge]<\/p><\/div>1-minute GOES-19 True Color RGB and Dust RGB images created using Geo2Grid<\/strong><\/a> (below)<\/em><\/strong> provided a comparison of the two RGB combinations — plumes of blowing dust were first apparent in the Dust RGB images (shades of magenta), but then the airborne dust began to exhibit a better signature in True Color RGB images (hazy shades of tan) later in the day as forward scattering increased from the GOES-19 satellite perspective.<\/p>\n

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1-minute GOES-19 True Color RGB (left) and Dust RGB images (right), from 1900 UTC on 04 May to 0000 UTC on 05 May [click to play animated GIF]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

1-minute Mesoscale Domain Sector GOES-19 (GOES-East)\u00a0GeoColor RGB images (above) showed areas of blowing dust — lofted by strong southwest winds (with gusts in the 30-40 mph range) blowing across recently-plowed agricultural fields — that were being transported northeastward from central Illinois to northern Indiana on 04 May 2026. A Blowing Dust Advisory had been issued […]<\/p>\n","protected":false},"author":18,"featured_media":70270,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,132,159,53,45],"tags":[],"class_list":["post-70269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air-quality","category-geo2grid","category-goes-19","category-real-earth","category-redgreenblue-rgb-images"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/70269","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=70269"}],"version-history":[{"count":18,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/70269\/revisions"}],"predecessor-version":[{"id":70323,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/70269\/revisions\/70323"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/70270"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=70269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=70269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=70269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}