{"id":43346,"date":"2021-11-16T23:59:00","date_gmt":"2021-11-16T23:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=43346"},"modified":"2021-11-18T23:04:33","modified_gmt":"2021-11-18T23:04:33","slug":"actinoform-cloud-in-the-east-pacific","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/43346","title":{"rendered":"Actinoform cloud in the East Pacific"},"content":{"rendered":"<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/11\/211116_goes17_East_Pacific_actinoform_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/11\/GOES-17_ABI_RadC_true_color_2021320_235617Z.png\" width=\"640\" height=\"590\"><\/a><p class=\"wp-caption-text\">GOES-17 True Color RGB images [click to play animated GIF | <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/11\/211116_goes17_East_Pacific_actinoform_anim.mp4\"><strong>MP4<\/strong><\/a>]<\/p><\/div>\n<p>GOES-17 <em>(GOES-West)<\/em>&nbsp;True Color RGB images created using&nbsp;<a href=\"https:\/\/www.ssec.wisc.edu\/software\/geo2grid\/\"><strong>Geo2Grid<\/strong><\/a>&nbsp;<em><strong>(above)<\/strong><\/em> showed a cyclonically-rotating <a href=\"https:\/\/journals.ametsoc.org\/bams\/article\/85\/10\/1585\/58317\/ACTINOFORM-CLOUDS-Overlooked-Examples-of-Cloud\"><strong>actinoform cloud<\/strong><\/a> feature that was moving west-southwestward across the East Pacific Ocean (about midway between Hawai&#8217;i and California) on 16 November 2021.<\/p>\n<p>In GOES-17 Day Cloud Phase Distinction RGB images <em><strong>(below)<\/strong><\/em>, the increasing shades of green exhibited by the curved bands of shallow convection suggested that those features were likely mixed-phase clouds &#8212; composed of a combination of liquid\/supercooled water droplets and ice particles.&nbsp;<\/p>\n<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/11\/211116_goes17_dayCloudPhaseDistinctionRGB_East_Pacific_actinoform_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/11\/GOES-17_ABI_RadC_cloud_phase_distinction_2021320_204617Z.png\" width=\"640\" height=\"590\"><\/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\/11\/211116_2326utc_goes17_visible_dayCloudPhaseDistinctionRGB_cloudTopPhase_East_Pacific_actinoform_anim.gif\"><strong>MP4<\/strong><\/a>]<\/p><\/div>\n<p>Similarly, in a toggle between NOAA-20 VIIRS True Color and False Color RGB images viewed using <a href=\"http:\/\/realearth.ssec.wisc.edu\"><strong>RealEarth<\/strong><\/a> <em><strong>(below)<\/strong><\/em>, darker shades of cyan suggested the presence of mixed-phase banded cloud elements within the core of the actinoform feature.<\/p>\n<div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/11\/211116_2218utc_noaa20_viirs_trueColorRGB_falseColorRGB_East_Pacific_actinoform_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2021\/11\/211116_2218utc_noaa20_viirs_trueColorRGB_falseColorRGB_East_Pacific_actinoform_anim.gif\" width=\"640\" height=\"310\"><\/a><p class=\"wp-caption-text\">NOAA-20 VIIRS True Color and False Color images at 2218 UTC [click to enlarge]<\/p><\/div>\n<p>Other examples of actinoform clouds can be examined by scrolling through <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?s=actinoform\"><strong>this link<\/strong><\/a>.<\/p>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>GOES-17 (GOES-West)&nbsp;True Color RGB images created using&nbsp;Geo2Grid&nbsp;(above) showed a cyclonically-rotating actinoform cloud feature that was moving west-southwestward across the East Pacific Ocean (about midway between Hawai&#8217;i and California) on 16 November 2021. In GOES-17 Day Cloud Phase Distinction RGB images (below), the increasing shades of green exhibited by the curved bands of shallow convection suggested [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":43349,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80,78,53,45,48],"tags":[],"class_list":["post-43346","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-17","category-noaa-20","category-real-earth","category-redgreenblue-rgb-images","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/43346","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=43346"}],"version-history":[{"count":9,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/43346\/revisions"}],"predecessor-version":[{"id":43386,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/43346\/revisions\/43386"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/43349"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=43346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=43346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=43346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}