{"id":2294,"date":"2009-03-17T00:55:21","date_gmt":"2009-03-17T00:55:21","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=2294"},"modified":"2009-04-30T15:47:44","modified_gmt":"2009-04-30T15:47:44","slug":"undular-bore-in-florida","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/2294","title":{"rendered":"Undular bore in Florida"},"content":{"rendered":"<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/03\/090317_g13_vis_anim.gif\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" title=\"GOES-13 visible images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/03\/090317_g13_vis_anim.gif\" alt=\"GOES-13 visible images\" width=\"480\" height=\"360\" \/><\/a><p class=\"wp-caption-text\">GOES-13 visible images<\/p><\/div>\n<p>GOES-13 visible imagery <em><strong>(above)<\/strong><\/em> showed\u00c2\u00a0 an undular bore that was propagating southward across the Florida peninsula\u00c2\u00a0 on <a title=\"17 March 2009 daily weather map\" href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20090317.html\" target=\"_blank\"><strong>17 March 2009<\/strong><\/a>. This bore feature appeared to play a role in the initiation of a line of convective clouds that developed over central and southern Florida after about 15 UTC <em>(10am local time)<\/em>. The resulting precipitation was farily light, however, with rainfall amounts of 0.10 inch or less.<\/p>\n<p>A MODIS true color image <em><strong>(below, <\/strong>displayed using<strong> <a title=\"SSEC Google Earth imagery\" href=\"http:\/\/www.ssec.wisc.edu\/media\/spotlight\/google-earth.htm\" target=\"_blank\">Google Earth<\/a>)<\/strong><\/em> revealed that there were at least 10 individual cloud bands <em>(also known as &#8220;solitons&#8221;)<\/em> associated with this undular bore. The fact that this particular bore feature appeared to help with convective initiation might seem counter-intuitive, given that the propagation of bores requires a <strong>stable<\/strong> layer to propagate &#8212; but the convection may have fired along the leading edge of the cold frontal boundary <em>(which was likely out ahead of the undular bore)<\/em>.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/03\/090317_modis_truecolor_google.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" title=\"MODIS true color image (viewed using Google Earth)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/03\/090317_modis_truecolor_google.jpg\" alt=\"MODIS true color image\" width=\"480\" height=\"369\" \/><\/a><p class=\"wp-caption-text\">MODIS true color image (viewed using Google Earth)<\/p><\/div>\n<p>The photo below shows the leading edge of the undular bore clouds <em>(taken just south of Melbourne, along the coast, around 9:00 am local time)<\/em>.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/03\/090317_bore.jpg\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" title=\"Photograph of bore clouds (courtesy of Dan Hartung, UW-Madison\/AOS student)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/03\/090317_bore.jpg\" alt=\"Photograph of bore clouds (courtesy of , UW-Madison)\" width=\"480\" height=\"319\" \/><\/a><p class=\"wp-caption-text\">Photograph of bore clouds (courtesy of Dan Hartung (UW-Madison\/AOS student)<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>GOES-13 visible imagery (above) showed\u00c2\u00a0 an undular bore that was propagating southward across the Florida peninsula\u00c2\u00a0 on 17 March 2009. This bore feature appeared to play a role in the initiation of a line of convective clouds that developed over central and southern Florida after about 15 UTC (10am local time). The resulting precipitation was [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11,32,12,3],"tags":[],"class_list":["post-2294","post","type-post","status-publish","format-standard","hentry","category-goes-13","category-google-earth","category-modis","category-severe-convection"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2294","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=2294"}],"version-history":[{"count":4,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2294\/revisions"}],"predecessor-version":[{"id":2297,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2294\/revisions\/2297"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=2294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=2294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=2294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}