{"id":2547,"date":"2009-05-13T17:25:10","date_gmt":"2009-05-13T17:25:10","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=2547"},"modified":"2009-05-20T18:26:27","modified_gmt":"2009-05-20T18:26:27","slug":"enhanced-v-storm-top-signature-over-nebraska","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/2547","title":{"rendered":"Enhanced-V storm top signature over Nebraska"},"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\/05\/090513_modis_ev_anim.gif\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" title=\"MODIS 11.0 \u00c2\u00b5m IR image + storm reports + cloud-to-ground lightning data\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/05\/090513_modis_ev_anim.gif\" alt=\"MODIS 11.0 \u00c2\u00b5m IR image + storm reports + lightning data\" width=\"480\" height=\"360\" \/><\/a><p class=\"wp-caption-text\">MODIS 11.0 \u00c2\u00b5m IR image + storm reports + cloud-to-ground lightning data<\/p><\/div>\n<p>A well-defined &#8220;enhanced-v&#8221; storm top signature was seen on MODIS 11.0 \u00c2\u00b5m IR window image <strong><em>(above)<\/em><\/strong> over Nebraska around 08:09 UTC <em>(3:09 am local time)<\/em> on <a title=\"13 May 2009 daily weather map\" href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20090513.html\" target=\"_blank\"><strong>13 May 2009<\/strong><\/a>. The magnitude of the cold\/warm cloud top temperature couplet was rather large <strong>(-72\u00c2\u00ba C to -50\u00c2\u00ba C)<\/strong> for this particular enhanced-v feature. Also note the presence of a\u00c2\u00a0 cloud-top packet of gravity waves, which could be seen propagating westward away from region of the enhanced-v signature. Hail as large as 1.0 inch in diameter was being reported, and there were a large number of both negative and positive cloud-to-ground lightning strikes in the enhanced-v region around the time of the MODIS IR image.<\/p>\n<p>A comparison of the 1-km resolution MODIS 11.0 \u00c2\u00b5m IR image and the corresponding 4-km resolution GOES-12 10.7 \u00c2\u00b5m IR image <strong><em>(below)<\/em><\/strong> shows the advantage of better spatial resolution for displaying cloud top temperature structure. Also note the slight parallax error on the GOES-12 image, with the features being shifted several miles to the northwest <em>(due to the large satellite viewing angle of the geostationary satellite)<\/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\/05\/090513_modis_goes_ir_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"MODIS 11.0 \u00c2\u00b5m IR image + GOES-12 10.7 \u00c2\u00b5m IR image\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/05\/090513_modis_goes_ir_anim.gif\" alt=\"MODIS 11.0 \u00c2\u00b5m IR image + GOES-12 10.7 \u00c2\u00b5m IR image\" width=\"480\" height=\"360\" \/><\/a><p class=\"wp-caption-text\">MODIS 11.0 \u00c2\u00b5m IR image + GOES-12 10.7 \u00c2\u00b5m IR image<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A well-defined &#8220;enhanced-v&#8221; storm top signature was seen on MODIS 11.0 \u00c2\u00b5m IR window image (above) over Nebraska around 08:09 UTC (3:09 am local time) on 13 May 2009. The magnitude of the cold\/warm cloud top temperature couplet was rather large (-72\u00c2\u00ba C to -50\u00c2\u00ba C) for this particular enhanced-v feature. Also note the presence [&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":[19,30,12,3],"tags":[],"class_list":["post-2547","post","type-post","status-publish","format-standard","hentry","category-goes-12","category-lightning","category-modis","category-severe-convection"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2547","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=2547"}],"version-history":[{"count":8,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2547\/revisions"}],"predecessor-version":[{"id":2549,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2547\/revisions\/2549"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=2547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=2547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=2547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}