{"id":2930,"date":"2009-07-06T22:24:16","date_gmt":"2009-07-06T22:24:16","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=2930"},"modified":"2009-07-07T02:20:28","modified_gmt":"2009-07-07T02:20:28","slug":"convective-storm-tops-and-different-sizes-of-cloud-ice-crystals","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/2930","title":{"rendered":"Convective storm tops and different sizes of cloud ice crystals"},"content":{"rendered":"<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/07\/090706_modis_vis_ir_swir_anim.gif\"><img loading=\"lazy\" decoding=\"async\" alt=\"MODIS visible, 11.0 \u00c2\u00b5m IR window, and 3.7 \u00c2\u00b5m shortwave IR images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/07\/090706_modis_vis_ir_swir_anim.gif\" title=\"MODIS visible, 11.0 \u00c2\u00b5m IR window, and 3.7 \u00c2\u00b5m shortwave IR images\" width=\"480\" height=\"456\" \/><\/a><p class=\"wp-caption-text\">MODIS visible, 11.0 \u00c2\u00b5m IR window, and 3.7 \u00c2\u00b5m shortwave IR images<\/p><\/div>\n<p>AWIPS images of the 1-km resolution MODIS visible, 11.0 \u00c2\u00b5m IR window, and 3.7 \u00c2\u00b5m shortwave IR channel data <strong><em>(above)<\/em><\/strong> showed some interesting differences in the appearance of convective storm tops over the northern and central Rocky Mountain region on <strong>06 July 2009<\/strong>. Note that some portions of the storm tops appear significantly <strong>warmer<\/strong> <em>(darker gray colors)<\/em> on the 3.7 \u00c2\u00b5m image &#8212; this is due to solar reflection off of <em>smaller<\/em> ice particles within the upper anvil layer. Such differences in cloud top particle size are not apparent on the visible or the standard IR window images (nor do they necessarily correspond to differences seen in the IR brightness temperature patterns on the storm tops). Storms forming with <em>stronger<\/em> updrafts may produce a higher concentration of <em>smaller<\/em> ice crystals within the anvil region of the storm top, due to less time for the ice particles to grow in size during their rapid ascent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AWIPS images of the 1-km resolution MODIS visible, 11.0 \u00c2\u00b5m IR window, and 3.7 \u00c2\u00b5m shortwave IR channel data (above) showed some interesting differences in the appearance of convective storm tops over the northern and central Rocky Mountain region on 06 July 2009. Note that some portions of the storm tops appear significantly warmer (darker [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12,3],"tags":[],"class_list":["post-2930","post","type-post","status-publish","format-standard","hentry","category-modis","category-severe-convection"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2930","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=2930"}],"version-history":[{"count":5,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2930\/revisions"}],"predecessor-version":[{"id":2935,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2930\/revisions\/2935"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=2930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=2930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=2930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}