{"id":24348,"date":"2017-07-06T21:52:49","date_gmt":"2017-07-06T21:52:49","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=24348"},"modified":"2017-07-07T00:53:16","modified_gmt":"2017-07-07T00:53:16","slug":"goes-16-and-tropical-depression-4-in-the-atlantic-ocean","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/24348","title":{"rendered":"GOES-16 and Tropical Depression #4 in the Atlantic Ocean"},"content":{"rendered":"<div style=\"width: 635px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/GOES16CirrusChannel-20170706_090038_211538anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/GOES16CirrusChannel-20170706_103038.png\" alt=\"\" width=\"625\" height=\"429\" \/><\/a><p class=\"wp-caption-text\">GOES-16 &#8220;Cirrus Channel&#8221; (1.38 \u00b5m) near-infrared imagery, 0900-2100 UTC on 6 July 2017 (Click to play animated gif)<\/p><\/div>\n<p><strong>GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing<\/strong><\/p>\n<p>Tropical Depression #4 formed in the tropical Atlantic on 5 July 2017 (Click <a href=\"http:\/\/www.nhc.noaa.gov\/archive\/2017\/FOUR.shtml?\">here<\/a> for <a href=\"http:\/\/www.nhc.noaa.gov\">National Hurricane Center<\/a> advisories on the system). The Depression is not forecast to strengthen, and two GOES-16 products give evidence to its weakened state. The animation of GOES-16 Band 4 (<a href=\"http:\/\/www.goes-r.gov\/education\/docs\/ABI-bands-FS\/ABI_Band%204_cirrus_factsheet_FINAL.pdf\">1.38 \u00b5m<\/a> &#8220;Cirrus Channel&#8221;), above, shows a general decrease in the high clouds associated with this system (located north of 10\u00ba North Latitude and between 40\u00ba and 50\u00ba West Longitude), meaning convection is not strong. A <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/170706_goes16_nearIR_Cirrus_TD4_anim.gif\">closer view<\/a> reveals intricate cirrus transverse banding around the periphery of the system during the early part of the day. In addition, the 10.3 \u00b5m &#8220;Clean Window&#8221; image, below, overlain on top of the GOES-16 Baseline Total Precipitable Water (TPW) Product, shows dry air west of the circulation. A Saharan Air Layer (SAL) analysis <a href=\"http:\/\/tropic.ssec.wisc.edu\/real-time\/salmain.php?&amp;prod=splitE&amp;time\">from here<\/a> that uses Meteosat data, shows dry air moving towards the system from the east as well (<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/SAL_Analysis_Met9_2100_6July2017.jpg\">Link<\/a>). A toggle between GOES-13 Infrared Window, Meteosat-10 SAL product, and MIMIC TPW imagery can be seen <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/170706_2045utc_goes13_infrared_2100utc_meteosat10_SAL_1700utc_mimic_tpw_TD4_anim.gif\">here<\/a>.<\/p>\n<p>Refer to the <a href=\"http:\/\/www.nhc.noaa.gov\">National Hurricane Center website<\/a>, or the <a href=\"http:\/\/tropic.ssec.wisc.edu\">CIMSS Tropical Weather website<\/a>, for more information on this sytem.<\/p>\n<div id=\"attachment_24353\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/IR_BAND13_TPW_21_06july2017.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-24353\" class=\"wp-image-24353\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/IR_BAND13_TPW_21_06july2017.png\" alt=\"\" width=\"625\" height=\"414\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/IR_BAND13_TPW_21_06july2017.png 1477w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/IR_BAND13_TPW_21_06july2017-300x199.png 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/IR_BAND13_TPW_21_06july2017-768x509.png 768w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2017\/07\/IR_BAND13_TPW_21_06july2017-1024x678.png 1024w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/a><p id=\"caption-attachment-24353\" class=\"wp-caption-text\">GOES-16 &#8220;Clean Window&#8221; Band (10.33 \u00b5m) and GOES-16 Total Precipitable Water, 2100 UTC on 6 July 2017 (Click to enlarge)<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing Tropical Depression #4 formed in the tropical Atlantic on 5 July 2017 (Click here for National Hurricane Center advisories on the system). The Depression is not forecast to strengthen, and two GOES-16 products give evidence to its weakened state. The animation [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":24351,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,23,2],"tags":[],"class_list":["post-24348","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-meteosat","category-tropical-cyclones"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/24348","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\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=24348"}],"version-history":[{"count":11,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/24348\/revisions"}],"predecessor-version":[{"id":24365,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/24348\/revisions\/24365"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/24351"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=24348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=24348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=24348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}