{"id":1327,"date":"2008-11-10T23:59:35","date_gmt":"2008-11-10T23:59:35","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=1327"},"modified":"2018-10-21T23:57:37","modified_gmt":"2018-10-21T23:57:37","slug":"power-plant-plumes-in-minnesota","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/1327","title":{"rendered":"Power plant plumes in Minnesota"},"content":{"rendered":"<p><div style=\"width: 649px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/11\/081110_modis_goes_fog_anim.gif\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" title=\"MODIS + GOES-12 fog\/stratus product images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/11\/081110_modis_goes_fog_anim.gif\" alt=\"MODIS + GOES-12 fog\/stratus product images\" width=\"639\" height=\"611\" \/><\/a><p class=\"wp-caption-text\">MODIS + GOES-12 fog\/stratus BTD images [click to enlarge]<\/p><\/div>AWIPS images of the 1-km resolution MODIS 11.0-3.7 \u00b5m fog\/stratus Brightness Temperature Difference (BTD) and the 4-km resolution GOES-12 fog\/stratus BTD <em><strong>(above)<\/strong><\/em> showed the value of higher spatial resolution MODIS data for detecting power plant plumes embedded within the stratus clouds over northern Minnesota on <a title=\"10 November 2008 daily weather map\" href=\"http:\/\/www.wpc.ncep.noaa.gov\/dailywxmap\/index_20081110.html\"><strong>10 November 2008<\/strong><\/a>.\u00a0 These plumes originated at large <a title=\"MN coal-fired power plants\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2006\/10\/mn_power_plants.jpg\" target=\"_blank\" rel=\"noopener\"><strong>coal-fired power plants<\/strong><\/a> (or paper mills?) located across that region &#8212; emissions from these industrial sources acted as cloud condensation nuclei, causing a higher concentration of <em>smaller<\/em> supercooled cloud droplets downwind of the plume source.<\/p>\n<p>The MODIS Cloud Top Temperature values in the plume region were around -13\u00baC <em>(<strong>below<\/strong>, darker green color enhancement),<\/em> and the MODIS Cloud Phase product indicated that the stratus clouds were composed of supercooled water droplets <em>(blue color enhancement)<\/em>.<\/p>\n<p><div style=\"width: 648px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/11\/081110_modis_anim.gif\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" title=\"MODIS fog\/stratus, IR, Cloud Top Temperature, and Cloud Phase images\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/11\/081110_modis_anim.gif\" alt=\"MODIS fog\/stratus, IR, Cloud Top Temperature, and Cloud Phase images\" width=\"638\" height=\"610\" \/><\/a><p class=\"wp-caption-text\">MODIS fog\/stratus BTD, Infrared Window <em>(11.0 \u00b5m),<\/em> Cloud Top Temperature and Cloud Phase images [click to enlarge]<\/p><\/div>GOES-12 Low Cloud Base product indicated that the stratus clouds had bases below 1000 feet <em>(<strong>below<\/strong>, green color enhancement),<\/em> while the GOES-12 Cloud Top Height product suggested that the tops of the stratus clouds were around 13,000 feet <em>(lighter green color enhancement)<\/em>.<\/p>\n<p><div style=\"width: 649px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/11\/081110_modis_goes_anim.gif\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" title=\"MODIS fog\/stratus, GOES low cloud base, GOES cloud top height products\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/11\/081110_modis_goes_anim.gif\" alt=\"MODIS fog\/stratus, GOES low cloud base, GOES cloud top height products\" width=\"639\" height=\"611\" \/><\/a><p class=\"wp-caption-text\">MODIS fog\/stratus BTD, GOES low cloud base, and GOES cloud top height products [click to enlarge]<\/p><\/div>It is interesting to note that similar power plant plumes were also seen on the MODIS fog\/stratus BTD product on the previous day <em><strong>(below)<\/strong><\/em>, but without a stratus cloud deck over the region.<\/p>\n<div style=\"width: 649px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/11\/081109-10_modis_fog_anim.gif\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" title=\"MODIS fog\/stratus product images (09 and 10 November)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/11\/081109-10_modis_fog_anim.gif\" alt=\"MODIS fog\/stratus product images (09 and 10 November)\" width=\"639\" height=\"611\" \/><\/a><p class=\"wp-caption-text\">MODIS fog\/stratus BTD images (09 and 10 November) [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>AWIPS images of the 1-km resolution MODIS 11.0-3.7 \u00b5m fog\/stratus Brightness Temperature Difference (BTD) and the 4-km resolution GOES-12 fog\/stratus BTD (above) showed the value of higher spatial resolution MODIS data for detecting power plant plumes embedded within the stratus clouds over northern Minnesota on 10 November 2008.\u00a0 These plumes originated at large coal-fired power [&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":[13,19,12],"tags":[],"class_list":["post-1327","post","type-post","status-publish","format-standard","hentry","category-fog-detection","category-goes-12","category-modis"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/1327","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=1327"}],"version-history":[{"count":14,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/1327\/revisions"}],"predecessor-version":[{"id":30362,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/1327\/revisions\/30362"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=1327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=1327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=1327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}