{"id":69899,"date":"2026-04-14T15:59:00","date_gmt":"2026-04-14T15:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=69899"},"modified":"2026-04-14T21:02:44","modified_gmt":"2026-04-14T21:02:44","slug":"super-typhoon-sinlaku-approaches-saipan-in-the-mariana-islands","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/69899","title":{"rendered":"Typhoon Sinlaku makes landfall on Saipan and Tinian in the Mariana Islands"},"content":{"rendered":"<p><div style=\"width: 1290px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/04\/260413_himawari9_visible_Typhoon_Sinlaku_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/04\/HIM09_VIS_SINLAKU_13APR2026_B3_2026104_020215_0001PANEL_FRAME00133.GIF\" width=\"1280\" height=\"960\" \/><\/a><p class=\"wp-caption-text\">2.5-minute Himawari-9 Visible (0.64 \u00b5m) images, from 2032 UTC on 13 April to 0802 UTC on 14 April [click to play animated GIF]<\/p><\/div>2.5-minute Target Sector JMA Himawari-9 AHI Visible images <em><strong>(above)<\/strong><\/em> showed Super Typhoon Sinlaku as its eye approached Saipan (station identifier PGSN) in the Mariana Islands on 13-14 April 2026. Mesovrticies were evident within the eye. After reaching its peak intensity on 12 April (<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/69842\"><strong>blog post 1<\/strong><\/a> | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/69847\"><strong>blog\u00a0 post 2<\/strong><\/a>), Sinlaku was in the process of a gradual weakening trend, decreasing from Category 5 intensity to Category 4 intensity by 0000 UTC on 14 April (<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/04\/260414_0300utc_pgtw_discussion.text\"><strong>JTWC discussion<\/strong><\/a>).<\/p>\n<p>A longer animation of Himawari-9 Infrared images <em><strong>(below)<\/strong><\/em>\u00a0showed Sinlaku making landfall on the islands of Saipan and Tinian, as a Category 4 storm around 1432 UTC on 14 April.<\/p>\n<p><div style=\"width: 1290px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/04\/260413_260414_himawari9_infrared_Typhoon_Sinlaku_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/04\/HIM09_IR_SINLAKU_13APR2026_B13_2026104_060215_0001PANEL_FRAME00229.GIF\" width=\"1280\" height=\"960\" \/><\/a><p class=\"wp-caption-text\">2.5-minute Himawari-9 Infrared (10.4 \u00b5m) images, from 2032 UTC on 13 April to 1519 UTC on 14 April [click to play animated GIF]<\/p><\/div>Microwave imagery (<a href=\"https:\/\/tropic.ssec.wisc.edu\"><strong>source<\/strong><\/a>) from ATMS <em><strong>(below)<\/strong><\/em> displayed the large outer eyewall ring that remained after Sinlaku had undergone a recent eyewall replacement cycle. The islands of Saipan and Tinian were located within this large eyewall.<\/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\/2026\/04\/260414_1559utc_atms_microwave_Sinlaku.gif\" alt=\"ATMS Microwave (183 GHz) image at 1559 UTC on 14 April\" width=\"1052\" height=\"601\" \/><p class=\"wp-caption-text\">ATMS Microwave (183 GHz) image at 1559 UTC on 14 April<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>2.5-minute Target Sector JMA Himawari-9 AHI Visible images (above) showed Super Typhoon Sinlaku as its eye approached Saipan (station identifier PGSN) in the Mariana Islands on 13-14 April 2026. Mesovrticies were evident within the eye. After reaching its peak intensity on 12 April (blog post 1 | blog\u00a0 post 2), Sinlaku was in the process [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":69907,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[89,73,79,2],"tags":[],"class_list":["post-69899","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-atms","category-himawari-9","category-microwave","category-tropical-cyclones"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/69899","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=69899"}],"version-history":[{"count":15,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/69899\/revisions"}],"predecessor-version":[{"id":69917,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/69899\/revisions\/69917"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/69907"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=69899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=69899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=69899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}