{"id":65607,"date":"2025-06-29T19:59:00","date_gmt":"2025-06-29T19:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=65607"},"modified":"2025-06-30T21:05:03","modified_gmt":"2025-06-30T21:05:03","slug":"tropical-depression-2-becomes-tropical-storm-barry-in-the-far-southwestern-gulf-of-mexico","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/65607","title":{"rendered":"Tropical Depression 2 becomes Tropical Storm Barry in the far southwestern Gulf of Mexico"},"content":{"rendered":"<p><div style=\"width: 3000px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250628_g19_ir_vis_glm_TD2.mp4\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250628_2100utc_g19_ir_vis_glm_TD2.png\" width=\"2990\" height=\"1656\" \/><\/a><p class=\"wp-caption-text\">1-minute GOES-19 Infrared (left) and Visible (right) images with an overlay of GLM Flash Points, from 1601 UTC on 28 June to 0045 UTC on 29 June [click to play MP4 animation]<\/p><\/div>1-minute Mesoscale Domain Sector GOES-19 <em>(GOES-East)<\/em> Infrared and Visible images <em><strong>(above)<\/strong><\/em> showed persistent deep convection (with sporadic lightning activity) near the center of circulation of <a href=\"https:\/\/www.nhc.noaa.gov\/archive\/2025\/BARRY.shtml?\"><strong>Tropical Depression 2<\/strong><\/a> (TD2), which developed in the Bay of Campeche (just off the coast of Mexico) around <a href=\"https:\/\/www.nhc.noaa.gov\/archive\/2025\/al02\/al022025.discus.001.shtml\"><strong>2100 UTC<\/strong><\/a> on 28 June 2025. Periodic convective bursts contained overshooting tops that exhibited infrared brightness temperatures as cold as -80C (brighter white pixels embedded within darker black regions), but overall the system remained somewhat disorganized throughout the day.<\/p>\n<p>A GOES-19 Visible image at 1619 UTC with an overlay of Metop-C ASCAT winds <em><strong>(below)<\/strong><\/em> depicted a surface circulation, with wind speeds in the 20-25 knot range within the southeast quadrant.<\/p>\n<p><div style=\"width: 3000px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250628_1619utc_g19_ir_vis_ascat_TD2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250628_1619utc_g19_ir_vis_ascat_TD2.png\" width=\"2990\" height=\"1656\" \/><\/a><p class=\"wp-caption-text\">GOES-19 Infrared and Visible images at 1619 UTC on 28 June, with an an overlay of Metop-C ASCAT scatterometer winds on the Visible image [click to enlarge]<\/p><\/div>GOES-19 Infrared images with an overlay of <a href=\"https:\/\/tropic.ssec.wisc.edu\/misc\/winds\/info.winds.shr.html\"><strong>deep-layer wind shear<\/strong><\/a> <em><strong>(below)<\/strong><\/em> indicated that TD2 was embedded within an environment of high wind shear, which was an unfavorable factor in terms of further intensification.<\/p>\n<div style=\"width: 1064px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250628_g19_ir_shear_TD2_anim.gif\" width=\"1054\" height=\"704\" \/><p class=\"wp-caption-text\">GOES-19 Infrared images with an overlay of contours and streamlines of deep-layer wind shear at 0100 UTC on 29\u00a0 June<\/p><\/div>\n<p style=\"text-align: center;\"><strong>===== 29 June Update =====<\/strong><\/p>\n<p><div style=\"width: 3000px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250629_g19_ir_vis_glm_TS_Barry.mp4\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250629_1800utc_g19_ir_vis_glm_TS_Barry.png\" width=\"2990\" height=\"1656\" \/><\/a><p class=\"wp-caption-text\">1-minute GOES-19 Infrared and Visible images with an overlay of GLM Flash Points, from 1341-1900 UTC on 29 June [click to play MP4 animation]<\/p><\/div>By 1500 UTC on 29 June, TD2 had become better organized, and was named Tropical Storm Barry. For a short time, the partially exposed low-level circulation center was evident in 1-minute GOES-19 Visible images <em><strong>(above)<\/strong><\/em>.<\/p>\n<p>A DMSP-17 SSMIS Microwave image at 1301 UTC <em><strong>(below)<\/strong><\/em> showed no evidence of a closed eye structure, with only signatures of convection immediately south and east of the storm center.<\/p>\n<div style=\"width: 1062px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250629_1303utc_dmsp17_ssmis_microwave_TS_Barry.gif\" width=\"1052\" height=\"699\" \/><p class=\"wp-caption-text\">DMSP-17 SSMIS Microwave (85 GHz) image at 1301 UTC on 29 June<\/p><\/div>\n<p>As was the case during the previous day, TS Barry was still in an unfavorable environment characterized by high values of deep-layer wind shear <em><strong>(below)<\/strong><\/em>.<\/p>\n<div style=\"width: 1064px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250629_g19_ir_1500utc_shear_TS_Barry.gif\" width=\"1054\" height=\"704\" \/><p class=\"wp-caption-text\">GOES-19 Infrared images with an overlay of contours and streamlines of deep-layer wind shear at 1500 UTC on 29 June<\/p><\/div>\n<p>On the other hand, the <a href=\"https:\/\/tropic.ssec.wisc.edu\/real-time\/mtpw2\/product.php?color_type=tpw_nrl_colors&amp;prod=global2&amp;timespan=48hrs&amp;anim=html5\"><strong>MIMIC Total Precipitable Water<\/strong><\/a> product <em><strong>(below)<\/strong><\/em> showed abundant moisture in the vicinity of TS Barry, which helped to sustain the development of deep convection near the storm center.<\/p>\n<div style=\"width: 1062px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250629_1500utc_mimicTPW_TS_Barry.gif\" width=\"1052\" height=\"699\" \/><p class=\"wp-caption-text\">MIMIC Total Precipitable Water product at 1500 UTC on 29 June, with an overly of the position of TS Barry at 1200 UTC<\/p><\/div>\n<p>It is interesting to note that TD2 passed over a small patch of slightly warmer Sea Surface Temperature not long before intensifying to become TS Barry <em><strong>(below)<\/strong><\/em> &#8212; although it&#8217;s not clear what role (if any) this played in system intensification.<\/p>\n<div style=\"width: 1063px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/06\/250629_sst_TS_Barry.gif\" width=\"1053\" height=\"699\" \/><p class=\"wp-caption-text\">Sea Surface Temperature at 2233 UTC on 28 June, with an overlay of the position of TS Barry at 1200 UTC on 29 June<\/p><\/div>\n<p>Wind Shear, Sea Surface Temperature, MIMIC TPW and DMSP Microwave images were sourced from the <a href=\"https:\/\/tropic.ssec.wisc.edu\"><strong>CIMSS Tropical Cyclones<\/strong><\/a> site.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1-minute Mesoscale Domain Sector GOES-19 (GOES-East) Infrared and Visible images (above) showed persistent deep convection (with sporadic lightning activity) near the center of circulation of Tropical Depression 2 (TD2), which developed in the Bay of Campeche (just off the coast of Mexico) around 2100 UTC on 28 June 2025. Periodic convective bursts contained overshooting tops [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":65620,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[56,76,159,30,58,79,25,2],"tags":[],"class_list":["post-65607","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dmsp","category-glm","category-goes-19","category-lightning","category-metop","category-microwave","category-satellite-winds","category-tropical-cyclones"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/65607","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=65607"}],"version-history":[{"count":28,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/65607\/revisions"}],"predecessor-version":[{"id":65653,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/65607\/revisions\/65653"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/65620"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=65607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=65607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=65607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}