{"id":613,"date":"2008-02-26T23:59:06","date_gmt":"2008-02-26T23:59:06","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/613"},"modified":"2008-02-27T22:46:31","modified_gmt":"2008-02-27T22:46:31","slug":"cloud-features-related-to-sharp-sea-surface-temperature-gradients","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/613","title":{"rendered":"Cloud features related to sharp sea surface temperature (SST) gradients"},"content":{"rendered":"<p><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/02\/080226_g12_vis_anim.gif\" title=\"GOES-12 visible images (Animated GIF)\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/02\/080226_g12_vis_anim.gif\" title=\"GOES-12 visible images (Animated GIF)\" alt=\"GOES-12 visible images (Animated GIF)\" align=\"middle\" height=\"288\" width=\"480\" \/><\/a><\/p>\n<p>Some interesting cloud features were seen in the western North Atlantic Ocean on <a href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20080226.html\" title=\"26 February 2008 daily weather map\" target=\"_blank\"><strong>26 February 2008<\/strong><\/a>, about 300 miles southeast of New England (and about 300 miles south of Nova Scotia, Canada): a narrow line of cumulus clouds (oriented approximately north-south), and a patch of stratus cloud (or possibly fog?) that developed just east of the cumulus line. These cloud features were apparently related to very sharp gradients in the Sea Surface Temperature (SST) over that particular area.<\/p>\n<p><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/02\/080226_g12_ir_anim.gif\" title=\"GOES-12 10.7\u00c2\u00b5m IR images (Animated GIF)\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/02\/080226_g12_ir_anim.gif\" title=\"GOES-12 10.7\u00c2\u00b5m IR images (Animated GIF)\" alt=\"GOES-12 10.7\u00c2\u00b5m IR images (Animated GIF)\" align=\"middle\" height=\"360\" width=\"480\" \/><\/a><\/p>\n<p>AWIPS images of the GOES-12 10.7\u00c2\u00b5m IR channel <em><strong>(above)<\/strong><\/em> showed that there were large cold eddies <em>(darker green enhancement)<\/em> located over the western North Atlantic, along the north wall of the Gulf Stream <strong>(<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/02\/RTG_SST_HR-Analysis_Surface_Temperature_20080226_0000F000.png\" title=\"RTG_SST analysis\" target=\"_blank\">RTG_SST analysis<\/a>)<\/strong>. These cold water eddies remained stationary as patches of colder clouds <em>(cyan to blue enhancement)<\/em> drifted eastward across the region.<\/p>\n<p><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/02\/natl_8day.html\" title=\"MODIS sea surface temperature (SST) product\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/02\/080225_aqua_8day_meanSST.jpg\" title=\"MODIS sea surface temperature (SST) product\" alt=\"MODIS sea surface temperature (SST) product\" align=\"middle\" height=\"479\" width=\"480\" \/><\/a><\/p>\n<p>An 8-day composite of the MODIS Sea Surface Temperature product <em><strong>(above)<\/strong><\/em> confirmed the presence of a very sharp SST gradient in that area <em>(near 40\u00c2\u00ba N latitude, 65\u00c2\u00ba W longitude), <\/em>with a patch of water having SST values in the <strong>40s F<\/strong> <em>(cyan to blue enhancement)<\/em> located just to the east of water having SST values in the <strong>60s F<\/strong> <em>(green enhancements)<\/em> &#8212; black features on the SST image are clouds. Low-level baroclinicity enhanced by the sharp SST gradient was aiding the development and maintenance of the cumulus line;  as warm air moving eastward encountered the colder pocket of water, stratus cloud quickly formed as the marine boundary layer air was rapidly cooled to its dew point.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Some interesting cloud features were seen in the western North Atlantic Ocean on 26 February 2008, about 300 miles southeast of New England (and about 300 miles south of Nova Scotia, Canada): a narrow line of cumulus clouds (oriented approximately north-south), and a patch of stratus cloud (or possibly fog?) that developed just east of [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,19,8,12],"tags":[],"class_list":["post-613","post","type-post","status-publish","format-standard","hentry","category-fog-detection","category-goes-12","category-marine-weather","category-modis"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/613","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=613"}],"version-history":[{"count":0,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/613\/revisions"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}