{"id":43749,"date":"2021-12-11T10:26:00","date_gmt":"2021-12-11T10:26:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=43749"},"modified":"2021-12-11T15:48:20","modified_gmt":"2021-12-11T15:48:20","slug":"lightningcast-in-cold-air","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/43749","title":{"rendered":"LightningCast in cold air"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/12\/LightningProbability0700_to_1000_11Dec2021anim.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"1220\" height=\"628\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/12\/LightningProbability0700_to_1000_11Dec2021anim.gif\" alt=\"\" class=\"wp-image-43750\" \/><\/a><figcaption>RealEarth presentation of GOES-16 Clean Window infrared along with contours of LightningCast Probability (10 (blue), 25 (cyan), 50 (green) and 75 (purple) %).  GLM Flash Extent Density is also shown.  Data are every 5 minutes from 0700 &#8211; 1000 UTC on 11 December 2021 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p>LightningCast probabilities are part of the ProbSevere portfolio, and they are available in RealEarth (<a href=\"https:\/\/cimss.ssec.wisc.edu\/severe_conv\/pltg.html\">link<\/a>).  This machine-learning product relates Band 13 and Band 15 observations to the probability of lightning occurrence (in daytime, Band 2 and Band 5 are also used).  When your blogger was awakened by thunder (at 0826 UTC), as cold rain fell on the roof, he naturally thought:  <em>&#8220;I wonder what LightningCast is doing?&#8221;<\/em>  The animation above shows probabilities increasing as lightning developed over southern Wisconsin.  Initial lead time for lightning from the probabilities is not big &#8212; but probabilities do expand and encompass the region that is experiencing lightning.  The time of the lightning did match the closest approach of the surface low, as shown in <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/12\/sfc121121_131002.gif\">this 0900 UTC<\/a> surface analysis.<\/p>\n\n\n\n<p>That lightning was produced in near-freezing surface temperatures reflects the vigor of this extratropical system that spawned a deadly tornado outbreak over the mid-Mississippi River Valley and lower Ohio River Valley (<a href=\"https:\/\/www.spc.noaa.gov\/climo\/reports\/211210_rpts.html\">SPC Storm Reports<\/a>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LightningCast probabilities are part of the ProbSevere portfolio, and they are available in RealEarth (link). This machine-learning product relates Band 13 and Band 15 observations to the probability of lightning occurrence (in daytime, Band 2 and Band 5 are also used). When your blogger was awakened by thunder (at 0826 UTC), as cold rain fell [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":43752,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76,74,30],"tags":[],"class_list":["post-43749","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glm","category-goes-16","category-lightning"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/43749","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\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=43749"}],"version-history":[{"count":1,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/43749\/revisions"}],"predecessor-version":[{"id":43753,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/43749\/revisions\/43753"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/43752"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=43749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=43749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=43749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}