{"id":42103,"date":"2021-08-21T22:03:45","date_gmt":"2021-08-21T22:03:45","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=42103"},"modified":"2021-08-22T04:00:08","modified_gmt":"2021-08-22T04:00:08","slug":"henri-becomes-a-hurricane-off-the-us-east-coast","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/42103","title":{"rendered":"Henri becomes a hurricane off the US East Coast"},"content":{"rendered":"<div style=\"width: 649px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/08\/210821_goes16_visible_infrared_Hurricane_Henri_anim.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/08\/henri_vis-20210821_150054.png\" alt=\"\" width=\"639\" height=\"298\" \/><\/a><p class=\"wp-caption-text\">GOES-16 \u201cRed\u201d Visible (0.64 \u00b5m) and \u201cClean\u201d Infrared Window (10.35 \u00b5m) images [click to play animation | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/08\/210821_goes16_visible_infrared_Hurricane_Henri_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>\n<p>Tropical Storm <a href=\"https:\/\/www.nhc.noaa.gov\/archive\/2021\/HENRI.shtml?\"><strong>Henri<\/strong><\/a> intensified to become a hurricane at 1500 UTC on 21 August 2021\u00a0 &#8212; and 1\u2013minute\u00a0<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/23225\"><strong>Mesoscale Domain Sector<\/strong><\/a>\u00a0GOES-16\u00a0<em>(GOES-East)<\/em>\u00a0\u201cRed\u201d Visible (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band02.pdf\"><strong>0.64 \u00b5m<\/strong><\/a>) images<em>\u00a0<\/em>and \u201cClean\u201d Infrared Window (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band13.pdf\"><strong>10.35 \u00b5m<\/strong><\/a>) images\u00a0<em><strong>(above)<\/strong><\/em> showed Henri during the 1400-2300 UTC period. Visible images indicated that a small-diameter inner core began to form later in the day.<\/p>\n<p>Henri was moving through an environment of light to moderate deep-layer wind shear, as seen in an animation of GOES-16 Infrared images from the <a href=\"http:\/\/tropic.ssec.wisc.edu\"><strong>CIMSS Tropical Cyclones<\/strong><\/a> site <em><strong>(below)<\/strong><\/em>,<\/p>\n<div style=\"width: 655px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/08\/210821_goes16_infrared_20utc_shear_Henri_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/08\/210821_goes16_infrared_20utc_shear_Henri_anim.gif\" width=\"645\" height=\"431\" \/><\/a><p class=\"wp-caption-text\">GOES-16 Infrared images, with contours of deep-layer wind shear [click to enlarge]<\/p><\/div>\n<p>During the preceding nighttime hours, a toggle between Suomi NPP VIIRS Infrared and Day\/Night Band images at 0710 UTC <em><strong>(below)<\/strong><\/em> showed a large convective burst east of the surface center.<\/p>\n<div style=\"width: 653px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/08\/210821_0710utc_suomiNPP_viirs_innfraredWindow_dayNightBand_Henri_anim.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/08\/210821_0710utc_suomiNPP_viirs_innfraredWindow_dayNightBand_Henri_anim.gif\" alt=\"\" width=\"643\" height=\"300\" \/><\/a><p class=\"wp-caption-text\">Suomi NPP VIIRS Infrared Window (11.45 \u00b5m) and Day\/Night Band (0.7 \u00b5m) images [click to enlarge]<\/p><\/div>\n<p>\u00a0<\/p>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tropical Storm Henri intensified to become a hurricane at 1500 UTC on 21 August 2021\u00a0 &#8212; and 1\u2013minute\u00a0Mesoscale Domain Sector\u00a0GOES-16\u00a0(GOES-East)\u00a0\u201cRed\u201d Visible (0.64 \u00b5m) images\u00a0and \u201cClean\u201d Infrared Window (10.35 \u00b5m) images\u00a0(above) showed Henri during the 1400-2300 UTC period. Visible images indicated that a small-diameter inner core began to form later in the day. Henri was moving [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":42111,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,49,2,48],"tags":[],"class_list":["post-42103","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-suomi_npp","category-tropical-cyclones","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/42103","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=42103"}],"version-history":[{"count":9,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/42103\/revisions"}],"predecessor-version":[{"id":42114,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/42103\/revisions\/42114"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/42111"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=42103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=42103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=42103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}