{"id":545,"date":"2007-10-10T23:55:28","date_gmt":"2007-10-10T23:55:28","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/2007\/10\/10\/lee-waves-downwind-of-the-baraboo-bluffs\/"},"modified":"2007-10-12T12:12:06","modified_gmt":"2007-10-12T12:12:06","slug":"lee-waves-downwind-of-the-baraboo-bluffs","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/545","title":{"rendered":"Lee waves downwind of the Baraboo Bluffs"},"content":{"rendered":"<p><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2007\/10\/071010_g12_vis_anim.gif\" title=\"GOES-12 visible images (Animated GIF)\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2007\/10\/071010_g12_vis_anim.gif\" title=\"GOES-12 visible images (Animated GIF)\" alt=\"GOES-12 visible images (Animated GIF)\" align=\"middle\" height=\"361\" width=\"480\" \/><\/a><\/p>\n<p>&#8220;Lee waves&#8221; are sometimes seen just downwind of significant topography (such as high mountain ranges) when strong winds are perpendicular to the ridge lines &#8212; but even relatively subtle  terrain features can produce <em>lee wave clouds<\/em> that are evident on satellite imagery (one such example of lee wave clouds in a region of subtle terrain was seen over the <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/2007\/08\/09\/wave-clouds-over-the-bay-of-fundy\/\" title=\"Bay of Fundy wave clouds\" target=\"_blank\"><strong>Bay of Fundy<\/strong><\/a><strong> <\/strong>in<strong> <\/strong>Canada in August 2007). <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2007\/10\/071010_G12_VIS_WINDS.GIF\" title=\"GOES-12 visible image + surface winds\/gusts\" target=\"_blank\"><strong>Brisk northwesterly winds<\/strong><\/a> were prevalent across much of southern Wisconsin during the day on <a href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20071010.html\" title=\"10 October 2007 daily weather map\" target=\"_blank\"><strong>10 October 2007<\/strong><\/a>, and an animation of GOES-12 visible channel imagery <em><strong>(above)<\/strong><\/em> revealed a packet of quasi-stationary lee waves immediately downwind of the Baraboo Bluffs.<\/p>\n<p>An AWIPS high resolution topography image  <em><strong>(below)<\/strong><\/em> shows that the narrow Baraboo Bluffs terrain feature <em>(located just to the south-southeast of Baraboo\/Wisconsin Dells airport, station identifier KDLL) <\/em>only has a maximum altitude of about 1503 feet above sea level <em>(brown enhancement)<\/em>, but that was high enough to act as a barrier to the boundary layer winds and induce the lower tropospheric wave cloud features. Aircraft flying in the vicinity of such lee waves can encounter turbulence at times &#8212; however, in this case there was only one isolated <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2007\/10\/071010_G12_VIS_TURB.GIF\" title=\"GOES-12 visible image + pilot report\" target=\"_blank\"><strong>pilot report of turbulence<\/strong><\/a> at 3500 feet above ground level over far southwestern Wisconsin (well to the west of the lee wave cloud features).<\/p>\n<p><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2007\/10\/071010_topo.jpg\" title=\"AWIPS topography image\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2007\/10\/071010_topo.jpg\" title=\"AWIPS topography image\" alt=\"AWIPS topography image\" align=\"middle\" height=\"458\" width=\"480\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Lee waves&#8221; are sometimes seen just downwind of significant topography (such as high mountain ranges) when strong winds are perpendicular to the ridge lines &#8212; but even relatively subtle terrain features can produce lee wave clouds that are evident on satellite imagery (one such example of lee wave clouds in a region of subtle terrain [&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":[21,10,19],"tags":[],"class_list":["post-545","post","type-post","status-publish","format-standard","hentry","category-aviation","category-general-interpretation","category-goes-12"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/545","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=545"}],"version-history":[{"count":0,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/545\/revisions"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}