{"id":43623,"date":"2021-12-02T23:59:00","date_gmt":"2021-12-02T23:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=43623"},"modified":"2021-12-03T23:28:18","modified_gmt":"2021-12-03T23:28:18","slug":"lower-tropospheric-vortex-north-of-hawaii","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/43623","title":{"rendered":"Lower-tropospheric vortex north of Hawai&#8217;i"},"content":{"rendered":"<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/12\/211202_goes17_visible_derivedMotionWinds_HI_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/12\/hi_vis_dmw-20211202_210117.png\" width=\"640\" height=\"310\"><\/a><p class=\"wp-caption-text\">GOES-17 &#8220;Red&#8221; Visible (0.64 \u00b5m) images, with and without plots of Derived Motion Winds [click to play animated GIF | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/12\/211202_goes17_visible_derivedMotionWinds_HI_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>\n<p>GOES-17 <em>(GOES-West)<\/em> &#8220;Red&#8221; Visible (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band02.pdf\"><strong>0.64 \u00b5m<\/strong><\/a>) images, with and without plots of Visible <a href=\"https:\/\/rammb2.cira.colostate.edu\/trainings\/visit\/training_sessions\/goes_r_derived_motion_vectors\/\"><strong>Derived Motion Winds<\/strong><\/a> <strong><em>(above)<\/em><\/strong> showed a lower-tropospheric vortex propagating west-northwestward to the north of Hawai&#8217;i on 02 December 2021. There were no ship or buoy reports in the vicinity of the vortex, but Derived Motion Wind speeds were 20-25 knots or less during this time period.<\/p>\n<p>Convergence near the center of the vortex was aiding in the development of some shallow convection &#8212; and GOES-17 <a href=\"https:\/\/rammb.cira.colostate.edu\/training\/visit\/quick_guides\/QuickGuide_DayCloudPhaseDistinction_final_v2.pdf\"><strong>Day Cloud Phase Distinction<\/strong><\/a> RGB images <em><strong>(below)<\/strong><\/em> indicated that the tops of many cloud features comprising the vortex were glaciating (exhibiting shades of green to yellow),<\/p>\n<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/12\/211202_goes17_dayCloudPhaseDistnction_HI_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/12\/hi_rgb2-20211202_210117.png\" width=\"640\" height=\"310\"><\/a><p class=\"wp-caption-text\">GOES-17 Day Cloud Phase Distinction RGB images [click to play animated GIF | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/12\/211202_goes17_dayCloudPhaseDistnction_HI_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>GOES-17 (GOES-West) &#8220;Red&#8221; Visible (0.64 \u00b5m) images, with and without plots of Visible Derived Motion Winds (above) showed a lower-tropospheric vortex propagating west-northwestward to the north of Hawai&#8217;i on 02 December 2021. There were no ship or buoy reports in the vicinity of the vortex, but Derived Motion Wind speeds were 20-25 knots or less [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":43627,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80,25],"tags":[],"class_list":["post-43623","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-17","category-satellite-winds"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/43623","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=43623"}],"version-history":[{"count":6,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/43623\/revisions"}],"predecessor-version":[{"id":43655,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/43623\/revisions\/43655"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/43627"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=43623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=43623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=43623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}