{"id":71803,"date":"2026-08-13T23:59:00","date_gmt":"2026-08-13T23:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=71803"},"modified":"2026-08-14T02:45:59","modified_gmt":"2026-08-14T02:45:59","slug":"tropical-storm-lala-develops-southeast-of-hawaii","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/71803","title":{"rendered":"Tropical Storm Lala develops southeast of Hawai`i"},"content":{"rendered":"\n<figure class=\"wp-block-video aligncenter\"><video autoplay controls loop muted src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/08\/260813_g18_vis_glm_Lala.mov\" playsinline><\/video><figcaption class=\"wp-element-caption\"><em>1-minute GOES-18 Visible images with an overlay of GLM Flash Points, from 1914 UTC on 13 August to 0013 UTC on 14 August<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">1-minute Mesoscale Domain Sector GOES-18 <em>(GOES-West)<\/em> Visible images <strong><em>(above)<\/em><\/strong> and Infrared Window images <strong><em>(below)<\/em><\/strong> showed the slow organization of cloud features associated with <strong><a href=\"https:\/\/www.nhc.noaa.gov\/archive\/2026\/LALA.shtml?\">Tropical Storm Lala<\/a><\/strong> southeast of Hawai&#8217;i on 13 August 2026. Overlays of GOES-18 GLM Flash Points indicated that lightning activity was sparse during that time period. Lala was moving through an environment of very low <strong><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/08\/260813_goes18_infrared_2100utcShear_Lala_anim.gif\">deep-layer wind shear<\/a><\/strong> and traversing fairly warm <strong><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/08\/260813_sst_Lala.gif\">Sea Surface Temperatures<\/a><\/strong> &#8212; factors which favored further intensification as Lala approached Hawai&#8217;i.<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video autoplay controls loop muted src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/08\/260813_g18_ir_glm_Lala.mov\" playsinline><\/video><figcaption class=\"wp-element-caption\"><em>1-minute GOES-18 Infrared Window images with an overlay of GLM Flash Points, from 1914 UTC on 13 August to 0013 UTC on 14 August<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">During the preceding nighttime hours, before Potential Tropical Cyclone One-C had intensified to become Tropical Storm Lala, VIIRS Day\/Night Band images from NOAA-20 and NOAA-21 <strong><em>(below)<\/em><\/strong> displayed the faint signature of cloud features &#8212; faint because the Moon had not yet risen at that location, so the only source of illumination was atmospheric airglow.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/08\/260813_1035utc_noaa21_viirs_dayNightBand_Lala.png\"><img decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/08\/260813_1035utc_noaa21_viirs_dayNightBand_Lala.png\" alt=\"\"\/><\/a><figcaption class=\"wp-element-caption\"><em>NOAA-21 VIIRS Day\/Night Band image valid at 1035 UTC on 13 August [click to enlarge]<\/em><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/08\/260813_1131utc_noaa20_viirs_dayNightBand_Lala.png\"><img decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/08\/260813_1131utc_noaa20_viirs_dayNightBand_Lala.png\" alt=\"\"\/><\/a><figcaption class=\"wp-element-caption\"><em>NOAA-20 VIIRS Day\/Night Band image valid at 1131 UTC on 13 August [click to enlarge]<\/em><\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Visible images (above) and Infrared Window images (below) showed the slow organization of cloud features associated with Tropical Storm Lala southeast of Hawai&#8217;i on 13 August 2026. Overlays of GOES-18 GLM Flash Points indicated that lightning activity was sparse during that time period. Lala was moving through an environment [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":71805,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76,114,30,78,131,2,48],"tags":[],"class_list":["post-71803","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glm","category-goes-18","category-lightning","category-noaa-20","category-noaa-21","category-tropical-cyclones","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/71803","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=71803"}],"version-history":[{"count":3,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/71803\/revisions"}],"predecessor-version":[{"id":71807,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/71803\/revisions\/71807"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/71805"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=71803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=71803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=71803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}