{"id":12938,"date":"2013-05-15T23:59:50","date_gmt":"2013-05-15T23:59:50","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=12938"},"modified":"2013-05-17T15:19:34","modified_gmt":"2013-05-17T15:19:34","slug":"tornado-outbreak-in-the-dallasft-worth-texas-area","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/12938","title":{"rendered":"Tornado outbreak in the Dallas\/Ft. Worth area in north Texas"},"content":{"rendered":"<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/05\/130515-16_g15_g13_vis_TX_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\" \" title=\"GOES-15 (left) and GOES-13 (right) 0.63 \u00c2\u00b5m visible channel images (click image to play animation)\" alt=\"GOES-15 (left) and GOES-13 (right) 0.63 \u00c2\u00b5m visible channel images (click image to play animation)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/05\/130515-16_G15_G13_VIS_TX_13.GIF\" width=\"480\" height=\"359\" \/><\/a><p class=\"wp-caption-text\">GOES-15 (left) and GOES-13 (right) 0.63 \u00c2\u00b5m visible channel images (click image to play animation)<\/p><\/div>\n<p>An outbreak of tornadoes across the Dallas\/Ft. Worth area in north Texas on <a title=\"15 May 2013 daily weather map\" href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20130515.html\"><strong>15 May 2013<\/strong><\/a> produced up to 16 tornadoes (<a title=\"NWS Dallas\/Ft. Worth summary\" href=\"http:\/\/www.srh.noaa.gov\/fwd\/?n=tornadoes051513\"><strong>NWS summary<\/strong><\/a>) which were responsible for 6 fatalities. Hail as large as 4.0 inches in diameter and a wind gust as high as 80 mph also accompanied these severe thunderstorms (<a title=\"SPC storm reports\" href=\"http:\/\/www.spc.noaa.gov\/climo\/reports\/130515_rpts.html\"><strong>SPC storm reports<\/strong><\/a>). A McIDAS image comparison of GOES-15 <em>(GOES-West)<\/em> and GOES-13 <em>(GOES-East)<\/em> 0.63 \u00c2\u00b5m visible channel data <em><strong>(above; click image to play animation)<\/strong><\/em>\u00c2\u00a0 showed the rapid development of convection across the north Texas region, with the storms exhibiting a number of overshooting tops. The locations of Granbury (G) and Cleburne (C) were noted on the images, where EF-4 and EF-3 tornado damage occurred.<\/p>\n<p>A similar comparison of GOES-15 <em>(GOES-West)<\/em> and GOES-13 <em>(GOES-East)<\/em> 10.7 \u00c2\u00b5m IR channel images <em><strong>(below; click image to play animation)<\/strong><\/em> showed the cold cloud top IR brightness temperatures associated with these storms, which were as cold as -63 C <em>(darker red color enhancement)<\/em> in the vicinity of Granbury and Cleburne around the time of the tornadoes.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/05\/130515-16_g15_g13_ir_TX_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\" \" title=\"GOES-15 (left) and GOES-13 (right) 10.7 \u00c2\u00b5m IR channel images (click image to play animation)\" alt=\"GOES-15 (left) and GOES-13 (right) 10.7 \u00c2\u00b5m IR channel images (click image to play animation)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/05\/130515-16_G15_G13_IR_TX_13.GIF\" width=\"480\" height=\"360\" \/><\/a><p class=\"wp-caption-text\">GOES-15 (left) and GOES-13 (right) 10.7 \u00c2\u00b5m IR channel images (click image to play animation)<\/p><\/div>\n<p>&nbsp;<\/p>\n<div style=\"width: 489px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/05\/130515_g13_sounder_li_TX_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\" \" title=\"GOES-13 sounder Lifted Index derived product images (click image to play animation)\" alt=\"GOES-13 sounder Lifted Index derived product images (click image to play animation)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/05\/NA_GOES_Sounder_DPI_LI_20130515_2300.png\" width=\"479\" height=\"340\" \/><\/a><p class=\"wp-caption-text\">GOES-13 sounder Lifted Index derived product images (click image to play animation)<\/p><\/div>\n<p>These storms developed along an axis of instability and moisture that was located to the east of a dryline that was bulging eastward across north Texas &#8212; the GOES-13 sounder Lifted Index (LI) derived product images <em><strong>(above; click image to play animation)<\/strong><\/em> revealed LI values as low as -12.4 C <em>(dark purple color enhancement)<\/em> at 23:00 UTC, and the GOES-13 sounder Total Precipitable Water (TPW) derived product images <em><strong>(below; click image to play animation)<\/strong><\/em> showed that TPW values were as high as 46.7 mm or 1.84 inches <em>(darker red color enhancement)<\/em> at 22:00 UTC. METAR surface reports are plotted on the sounder images (Granbury is station identifier KGDJ, and Cleburne is station identifier KCPT).<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/05\/130515_g13_sounder_tpw_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\" \" title=\"GOES-13 sounder Total Precipitable Water derived product images (click image to play animation)\" alt=\"GOES-13 sounder Total Precipitable Water derived product images (click image to play animation)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/05\/NA_GOES_Sounder_DPI_TPW_20130515_2200.png\" width=\"480\" height=\"341\" \/><\/a><p class=\"wp-caption-text\">GOES-13 sounder Total Precipitable Water derived product images (click image to play animation)<\/p><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An outbreak of tornadoes across the Dallas\/Ft. Worth area in north Texas on 15 May 2013 produced up to 16 tornadoes (NWS summary) which were responsible for 6 fatalities. Hail as large as 4.0 inches in diameter and a wind gust as high as 80 mph also accompanied these severe thunderstorms (SPC storm reports). A [&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":[15,11,43,3],"tags":[],"class_list":["post-12938","post","type-post","status-publish","format-standard","hentry","category-goes-sounder","category-goes-13","category-goes-15","category-severe-convection"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12938","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=12938"}],"version-history":[{"count":5,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12938\/revisions"}],"predecessor-version":[{"id":12940,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/12938\/revisions\/12940"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=12938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=12938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=12938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}