{"id":23924,"date":"2017-05-07T23:59:49","date_gmt":"2017-05-07T23:59:49","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=23924"},"modified":"2017-05-08T16:23:26","modified_gmt":"2017-05-08T16:23:26","slug":"cyclone-donna-in-the-south-pacific-ocean","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/23924","title":{"rendered":"Cyclone Donna in the South Pacific Ocean"},"content":{"rendered":"<p><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/170503-06_himawari8_infrared_Cyclone_Donna_anim.mp4\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/960x1280_AHIM08_B13_HIM08_IR_DONNA_03-06MAY2017_2017123_180000_0001PANEL.GIF\" alt=\"Himawari-8 Infrared Window (10.4 \u00b5m) images [click to play MP4 animation]\" width=\"640\" height=\"480\" \/><\/a><p class=\"wp-caption-text\">Himawari-8 Infrared Window (10.4 \u00b5m) images [click to play MP4 animation]<\/p><\/div>Cyclone Donna (18P) formed in the South Pacific Ocean (northeast of Vanuatu) on 02 May 2017. Himawari-8 Infrared Window (10.4 \u00b5m) images during the 03-06 May period<em><strong> (above)<\/strong><\/em> revealed the formation of multiple convective bursts, many exhibiting cloud-top IR brightness temperatures of -90\u00ba C and colder.<\/p>\n<p>On 07 May, Cyclone Donna rapidly intensified from a Category 2 to a Category 4 storm (<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/Cyclone_Donna_SATCON..gif\"><strong>SATCON<\/strong><\/a> | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/Cyclone_Donna_ADT.gif\"><strong>ADT<\/strong><\/a>) &#8212; and Himawari-8 Infrared Window images <em><strong>(below)<\/strong><\/em> showed the presence of a large eye for a few hours. Environmental factors favoring rapid intensification included <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/170506_2235utc_sst_Cyclone_Donna.jpeg\"><strong>warm sea surface temperatures and light vertical wind shear<\/strong><\/a>.<\/p>\n<p><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/170507_himawari8_infrared_Cyclone_Donna_anim.mp4\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/960x1280_AHIM08_B13_HIM08_IR_DONNA_07MAY2017_2017127_121000_0001PANEL.GIF\" alt=\"Himawari-8 Infrared Window (10.4 \u00b5m) images [click to play MP4 animation]\" width=\"640\" height=\"480\" \/><\/a><p class=\"wp-caption-text\">Himawari-8 Infrared Window (10.4 \u00b5m) images [click to play MP4 animation]<\/p><\/div>A comparison of <a href=\"https:\/\/pmm.nasa.gov\/gpm\/flight-project\/gmi\"><strong>GMI<\/strong><\/a> Microwave (85 GHz) and Himawari-8 Infrared Window (10.4 \u00b5m) images from the <a href=\"http:\/\/tropic.ssec.wisc.edu\"><strong>CIMSS Tropical Cyclones<\/strong><\/a> site <em><strong>(below)<\/strong><\/em> showed that the actual diameter of the eye was much larger on microwave imagery around 1400 UTC on 07 May.<\/p>\n<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/170507_1400utc_himawari8_infrared_GMI_microwave_Cyclone_Donna_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/05\/170507_1400utc_himawari8_infrared_GMI_microwave_Cyclone_Donna_anim.gif\" alt=\"GMI Microwave (85 GHz) and Himawari-8 Infrared Window (10.4 \u00b5m) images [click to enlarge]\" width=\"640\" height=\"510\" \/><\/a><p class=\"wp-caption-text\">GMI Microwave (85 GHz) and Himawari-8 Infrared Window (10.4 \u00b5m) images [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cyclone Donna (18P) formed in the South Pacific Ocean (northeast of Vanuatu) on 02 May 2017. Himawari-8 Infrared Window (10.4 \u00b5m) images during the 03-06 May period (above) revealed the formation of multiple convective bursts, many exhibiting cloud-top IR brightness temperatures of -90\u00ba C and colder. On 07 May, Cyclone Donna rapidly intensified from a [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":23926,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62,47,2],"tags":[],"class_list":["post-23924","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-himawari-8","category-other-satellites","category-tropical-cyclones"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/23924","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=23924"}],"version-history":[{"count":6,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/23924\/revisions"}],"predecessor-version":[{"id":23931,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/23924\/revisions\/23931"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/23926"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=23924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=23924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=23924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}