{"id":13754,"date":"2013-08-23T20:55:14","date_gmt":"2013-08-23T20:55:14","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=13754"},"modified":"2013-08-23T20:55:14","modified_gmt":"2013-08-23T20:55:14","slug":"river-valley-fog-in-southwestern-wisconsin-2","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/13754","title":{"rendered":"River valley fog in southwestern Wisconsin"},"content":{"rendered":"<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/08\/130823_0800z_suomi_npp_viirs_fog_dnb_WI_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"Suomi NPP VIIRS &quot;Fog\/stratus product&quot; and Day\/Night Band images\" alt=\"Suomi NPP VIIRS &quot;Fog\/stratus product&quot; and Day\/Night Band images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/08\/130823_0800z_suomi_npp_viirs_fog_dnb_WI_anim.gif\" width=\"480\" height=\"325\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS &#8220;Fog\/stratus product&#8221; and Day\/Night Band images<\/p><\/div>\n<p>A comparison of AWIPS images of Suomi NPP VIIRS IR brightness temperature difference (BTD) &#8220;Fog\/stratus product&#8221; and 0.7 um Day\/Night Band images <em><strong>(above)<\/strong><\/em> revealed the formation of nocturnal river valley fog across parts of southwestern Wisconsin and the adjacent Upper Mississippi River Valley region at 08:00 UTC or 3:00 AM local time on 23 August 2013. Overlays of METAR surface reports and cloud ceiling\/surface visibility indicated that the fog was restricting visibilities to 1\/4 mile at a few locations.<\/p>\n<p>A comparison of the 375-meter resolution <em>(projected onto a 1-km AWIPS grid)<\/em> VIIRS BTD &#8220;Fog\/stratus product&#8221; image with the corresponding 4-km resolution GOES-13 BTD Fog\/stratus product <em><strong>(below)<\/strong><\/em> demonstrated the advantage of better spatial resolution for detecting these fine-scale river valley fog features.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/08\/130823_08z_viirs_goes_fog_WI_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"Suomi NPP VIIRS and GOES-13 IR brightness temperature difference &quot;Fog\/stratus product&quot; images\" alt=\"Suomi NPP VIIRS and GOES-13 IR brightness temperature difference &quot;Fog\/stratus product&quot; images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/08\/130823_08z_viirs_goes_fog_WI_anim.gif\" width=\"480\" height=\"325\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS and GOES-13 IR brightness temperature difference &#8220;Fog\/stratus product&#8221; images<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A comparison of AWIPS images of Suomi NPP VIIRS IR brightness temperature difference (BTD) &#8220;Fog\/stratus product&#8221; and 0.7 um Day\/Night Band images (above) revealed the formation of nocturnal river valley fog across parts of southwestern Wisconsin and the adjacent Upper Mississippi River Valley region at 08:00 UTC or 3:00 AM local time on 23 August [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,11,49,48],"tags":[],"class_list":["post-13754","post","type-post","status-publish","format-standard","hentry","category-fog-detection","category-goes-13","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/13754","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=13754"}],"version-history":[{"count":1,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/13754\/revisions"}],"predecessor-version":[{"id":13755,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/13754\/revisions\/13755"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=13754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=13754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=13754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}