{"id":52574,"date":"2023-05-25T09:59:00","date_gmt":"2023-05-25T09:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=52574"},"modified":"2023-05-26T20:28:53","modified_gmt":"2023-05-26T20:28:53","slug":"super-typhoon-mawar-reaches-category-5-intensity","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/52574","title":{"rendered":"Super Typhoon Mawar reaches Category 5 intensity"},"content":{"rendered":"

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JMA Himawari-9 \u201cRed\u201d Visible (0.64 \u00b5m, top) and \u201cClean\u201d Infrared Window (10.4 \u00b5m, bottom) images [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>Target Sector<\/strong><\/a>\u00a0(2.5-minute interval)\u00a0JMA<\/strong><\/a>\u00a0Himawari-9 Visible and Infrared images\u00a0(above)<\/strong><\/em> covered the period +\/- 2 hours when Super Typhoon Mawar reached Category 5<\/strong><\/a> intensity at 0600 UTC on 25 May 2023. Mesovortices within the eye were evident in Visible imagery, with the eye exhibiting a “stadium effect” geometry (two signatures that are often associated with intense tropical cyclones).<\/p>\n

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DMSP-17 SSMIS Microwave (85 GHz) image at 0911 UTC [click to enlarge]<\/p><\/div>A DMSP-17 SSMIS Microwave (85 GHz) image at 0911 UTC from the CIMSS Tropical Cyclones<\/strong><\/a> site (above)<\/strong><\/em> showed Mawar to the west of Guam, with a well-defined, completely closed eyewall along with a spiral band wrapping into the storm center from the south. Later in the day, Mawar further intensified to 155 knots at 1800 UTC (JTWC advisory<\/strong><\/a> | ADT<\/strong><\/a> | SATCON<\/strong><\/a> | D-MINT<\/strong><\/a> | D-PRINT<\/strong><\/a>) — and a DMSP-18 SSMIS Microwave image at 1905 UTC (below)<\/strong><\/em> revealed a distinct pair of spiral bands.<\/p>\n

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DMSP-18 SSMIS Microwave (85 GHz) image at 1905 UTC [click to enlarge]<\/p><\/div>As also mentioned in this blog post<\/strong><\/a>, a Suomi-NPP VIIRS Day\/Night Band (0.7 \u00b5m) image valid at 1655 UTC<\/strong><\/a> (below)<\/strong><\/em> revealed mesospheric airglow waves (reference<\/strong><\/a>) radiating hundreds of miles northward through westward away from Mawar — these vertically-propagating gravity waves were generated by deep convection within Mawar’s eyewall.<\/p>\n

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Suomi-NPP VIIRS Day\/Night Band (0.7 \u00b5m) image, valid at 1655 UTC on 25 May [click to enlarge]<\/p><\/div>A long animation of Himawari-9 \u201cClean\u201d Infrared Window (10.4 \u00b5m) images (below)<\/strong><\/em> showed that the eye of Mawar exhibited a small amount of trochoidal motion during the day.<\/p>\n

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JMA Himawari-9 \u201cClean\u201d Infrared Window (10.4 \u00b5m) images [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

Target Sector\u00a0(2.5-minute interval)\u00a0JMA\u00a0Himawari-9 Visible and Infrared images\u00a0(above) covered the period +\/- 2 hours when Super Typhoon Mawar reached Category 5 intensity at 0600 UTC on 25 May 2023. Mesovortices within the eye were evident in Visible imagery, with the eye exhibiting a “stadium effect” geometry (two signatures that are often associated with intense tropical cyclones). […]<\/p>\n","protected":false},"author":18,"featured_media":52577,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[56,73,79,49,2,48],"tags":[],"class_list":["post-52574","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dmsp","category-himawari-9","category-microwave","category-suomi_npp","category-tropical-cyclones","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/52574","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=52574"}],"version-history":[{"count":10,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/52574\/revisions"}],"predecessor-version":[{"id":52654,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/52574\/revisions\/52654"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/52577"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=52574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=52574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=52574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}