{"id":14095,"date":"2013-10-09T21:45:10","date_gmt":"2013-10-09T21:45:10","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=14095"},"modified":"2013-10-11T02:52:13","modified_gmt":"2013-10-11T02:52:13","slug":"tropical-storm-karens-transition-to-an-extratropical-coastal-low","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/14095","title":{"rendered":"Tropical Storm Karen&#8217;s transition to an extratropical coastal low"},"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\/10\/131004-09_850_vorticity_karen_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"850-hPa relative vorticity product (click image to play animation)\" alt=\"850-hPa relative vorticity product (click image to play animation)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/10\/131004_18z_850_vorticity_TS_Karen.jpg\" width=\"480\" height=\"413\" \/><\/a><p class=\"wp-caption-text\">850-hPa relative vorticity product (click image to play animation)<\/p><\/div>\n<p>A sequence of images of the satellite-wind-derived <a title=\"850 hPa relative vorticity product\" href=\"http:\/\/tropic.ssec.wisc.edu\/misc\/winds\/info.winds.vor.html\"><strong>850 hPa relative vorticity product<\/strong><\/a> at 6-hour intervals covering the period <a title=\"04 October 2013 daily weather map\" href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20131004.html\"><strong>04 October<\/strong><\/a> to <a title=\"09 October 2013 daily weather map\" href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20131009.html\"><strong>09 October 2013<\/strong><\/a> <em><strong>(above; click image to play animation)<\/strong><\/em> showed that the vorticity associated with <a title=\"Tropical Storm Karen\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/14065\"><strong>Tropical Storm Karen<\/strong><\/a> over the Gulf of Mexico on 04 October could be followed northeastward as the storm made the transition to an extratropical low as it movved inland and interacted with a frontal boundary, then eventually organizing into a slow-moving coastal low along the US East Coast.<\/p>\n<p>A comparison of 1-km resolution MODIS 0.65 \u00c2\u00b5m visible channel, 11.0 \u00c2\u00b5m IR channel, and 6.7 \u00c2\u00b5m water vapor channel images <em><strong>(below)<\/strong><\/em> showed the organization of the coastal low at 18:10 UTC on 09 October, which featured deep offshore\u00c2\u00a0 convection with IR cloud-top temperatures as cold as -75\u00c2\u00ba C.<\/p>\n<div style=\"width: 488px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/10\/131009_1810z_modis_vis_ir_wv_karen_remnants_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\" \" title=\"MODIS 0.65 \u00c2\u00b5m visible channel, 11.0 \u00c2\u00b5m IR channel, and 6.7 \u00c2\u00b5m water vapor channel images (09 October)\" alt=\"MODIS 0.65 \u00c2\u00b5m visible channel, 11.0 \u00c2\u00b5m IR channel, and 6.7 \u00c2\u00b5m water vapor channel images (09 October)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/10\/131009_1810z_modis_vis_ir_wv_karen_remnants_anim.gif\" width=\"478\" height=\"284\" \/><\/a><p class=\"wp-caption-text\">MODIS 0.65 \u00c2\u00b5m visible channel, 11.0 \u00c2\u00b5m IR channel, and 6.7 \u00c2\u00b5m water vapor channel images (09 October)<\/p><\/div>\n<p style=\"text-align: center;\"><strong>===== 10 October Update =====<\/strong><\/p>\n<p>A comparison of 1-km resolution Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel and 11.45 \u00c2\u00b5m IR channel images at 17:59 UTC on 10 October <em><strong>(below)<\/strong><\/em> revealed that some strong convective elements had moved inland over southeastern Virginia and northeastern North Carolina, producing heavy rainfall.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/10\/131010_1759z_suomi_npp_viirs_vis_ir_karen_remnants_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel and 11.45 \u00c2\u00b5m IR chanel images (10 October)\" alt=\"Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel and 11.45 \u00c2\u00b5m IR chanel images (10 October)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2013\/10\/131010_1759z_suomi_npp_viirs_vis_ir_karen_remnants_anim.gif\" width=\"480\" height=\"285\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS 0.64 \u00c2\u00b5m visible channel and 11.45 \u00c2\u00b5m IR chanel images (10 October)<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A sequence of images of the satellite-wind-derived 850 hPa relative vorticity product at 6-hour intervals covering the period 04 October to 09 October 2013 (above; click image to play animation) showed that the vorticity associated with Tropical Storm Karen over the Gulf of Mexico on 04 October could be followed northeastward as the storm made [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":14097,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16,12,25,49,2,48],"tags":[],"class_list":["post-14095","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-heavy-rain-flooding","category-modis","category-satellite-winds","category-suomi_npp","category-tropical-cyclones","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/14095","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=14095"}],"version-history":[{"count":3,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/14095\/revisions"}],"predecessor-version":[{"id":14099,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/14095\/revisions\/14099"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/14097"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=14095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=14095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=14095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}