{"id":2852,"date":"2009-06-30T22:42:15","date_gmt":"2009-06-30T22:42:15","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=2852"},"modified":"2010-05-20T16:52:15","modified_gmt":"2010-05-20T16:52:15","slug":"airborne-saharan-dust-over-the-north-atlantic-ocean","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/2852","title":{"rendered":"Airborne Saharan dust over the North Atlantic Ocean"},"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\/06\/090630_1800_met9_vis.gif\"><img loading=\"lazy\" decoding=\"async\" alt=\"Meteosat-9 visible image\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/06\/090630_1800_met9_vis.gif\" title=\"Meteosat-9 visible image\" width=\"480\" height=\"480\" \/><\/a><p class=\"wp-caption-text\">Meteosat-9 visible image<\/p><\/div>\n<p>A Meteosat-9 visible image at 18:00 UTC <strong><em>(above)<\/em><\/strong> showed the presence of a great deal of airborne Saharan dust over the North Atlantic Ocean on <strong>30 June 2009<\/strong>. Due to a favorable forward scattering angle, this dust appeared as a large &#8220;hazy&#8221; feature between Africa and South America. Also note the well-defined &#8220;comma cloud&#8221; signature of a strong mid-latitude cyclone off the southeastern coast of South America.<\/p>\n<p>The Meteosat-9 Saharan Air Layer (SAL) tracking product from the <strong><a href=\"http:\/\/cimss.ssec.wisc.edu\/tropic2\/\">CIMSS Tropical Cyclones<\/a><\/strong> site <strong><em>(below)<\/em><\/strong> displayed a strong signal <em>(darker red colors)<\/em> of this latest pulse of thick dust beginning to move westward off the coast of  western Africa on 30 June.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/06\/090630_met9_sal_anim.gif\"><img loading=\"lazy\" decoding=\"async\" alt=\"Meteosat-9 Saharan Air Layer product\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/06\/090630_met9_sal_anim.gif\" title=\"Meteosat-9 Saharan Air Layer product\" width=\"480\" height=\"220\" \/><\/a><p class=\"wp-caption-text\">Meteosat-9 Saharan Air Layer product<\/p><\/div>\n<p>This pulse of dust was also apparent on Meteosat-9 Red\/Green\/Blue (RGB) aerosol tracking product images <strong><em>(below),<\/em><\/strong> showing up as a brighter pink feature to the north of a large Mesoscale Convective System that was moving westward across western Africa during the 28-30 June period.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/06\/090630_met9_rgb_anim.gif\"><img loading=\"lazy\" decoding=\"async\" alt=\"Meteosat-9 RGB aerosol tracking images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/06\/090630_met9_rgb_anim.gif\" title=\"Meteosat-9 RGB aerosol tracking images\" width=\"480\" height=\"380\" \/><\/a><p class=\"wp-caption-text\">Meteosat-9 RGB aerosol tracking images<\/p><\/div>\n<p><strong><em><center>===== 02 JULY UPDATE =====<\/center><\/em><\/strong><\/p>\n<p>After the initial pulse of Saharan dust was seen to move off the west coast of Africa around the end of June, another strong pulse of blowing sand\/dust <em>(the brighter pink features)<\/em> was seen to develop inland over northwestern Africa <em>(across parts of Algeria, Niger, and Mali)<\/em> during the 01-02 July period <strong><em>(below)<\/em><\/strong>, with some of this dust reaching the coast on 02 July.<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/07\/090702_met9_rgb_anim.gif\"><img loading=\"lazy\" decoding=\"async\" alt=\"Meteosat-9 RGB aerosol tracking product images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2009\/07\/090702_met9_rgb_anim.gif\" title=\"Meteosat-9 RGB aerosol tracking product images\" width=\"480\" height=\"380\" \/><\/a><p class=\"wp-caption-text\">Meteosat-9 RGB aerosol tracking product images<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A Meteosat-9 visible image at 18:00 UTC (above) showed the presence of a great deal of airborne Saharan dust over the North Atlantic Ocean on 30 June 2009. Due to a favorable forward scattering angle, this dust appeared as a large &#8220;hazy&#8221; feature between Africa and South America. Also note the well-defined &#8220;comma cloud&#8221; signature [&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":[7,23,45],"tags":[],"class_list":["post-2852","post","type-post","status-publish","format-standard","hentry","category-air-quality","category-meteosat","category-redgreenblue-rgb-images"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2852","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=2852"}],"version-history":[{"count":18,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2852\/revisions"}],"predecessor-version":[{"id":5690,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/2852\/revisions\/5690"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=2852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=2852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=2852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}