{"id":10569,"date":"2012-06-13T15:59:40","date_gmt":"2012-06-13T15:59:40","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=10569"},"modified":"2012-06-13T15:59:40","modified_gmt":"2012-06-13T15:59:40","slug":"great-lake-water-surface-temperatures","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/10569","title":{"rendered":"Great Lake Water Surface Temperatures"},"content":{"rendered":"<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/MODIS_AVHRR_SST_20120613_08utcLoop.gif\"><img loading=\"lazy\" decoding=\"async\" class=\" \" title=\"MODIS and AVHRR Lake Surface Temperatures (click image to play animation)\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/AVHRR_SST_20120613_0811.gif\" alt=\"MODIS and AVHRR Lake Surface Temperatures (click image to play animation)\" width=\"480\" height=\"320\" \/><\/a><p class=\"wp-caption-text\">MODIS and AVHRR Lake Surface Temperatures (click image to play animation)<\/p><\/div>\n<p>Clear skies over the upper Midwest on the morning of 13 June 2012 allowed the MODIS instrument on board Aqua and the AVHRR instrument on board NOAA-19 to sense the surface temperature of Lakes Michigan and Superior.  Which instrument yielded observations that were closer to those recorded <em>in situ<\/em> by the moored buoys maintained by the <a href=\"http:\/\/www.ndbc.noaa.gov\/\">National Data Buoy Center<\/a>?  The loop above of <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/MODIS_SST_20120613_0810.gif\">MODIS Lake Surface Temperatures<\/a> and <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2012\/06\/AVHRR_SST_20120613_0811.gif\">AVHRR Lake Surface Temperatures<\/a> suggests that the MODIS-derived values are 1-3 Fahrenheit degrees warmer.  MODIS values are also closer to the observed values at the moored buoys (<a href=\"http:\/\/www.ndbc.noaa.gov\/station_history.php?station=45002\">45002<\/a> and <a href=\"http:\/\/www.ndbc.noaa.gov\/station_history.php?station=45007\">45007<\/a> in Lake Michigan, <a href=\"http:\/\/www.ndbc.noaa.gov\/station_history.php?station=45003\">45003<\/a> in Lake Huron and <a href=\"http:\/\/www.ndbc.noaa.gov\/station_history.php?station=45004\">45004<\/a> in Lake Superior).  The higher spectral resolution on MODIS leads to a more accurate depiction of the lake surface in this case.<\/p>\n<p>The <a href=\"http:\/\/www.crh.noaa.gov\/mkx\">National Weather Service in Sullivan, WI<\/a>, has noted that <a href=\"http:\/\/www.crh.noaa.gov\/news\/display_cmsstory.php?wfo=mkx&#038;storyid=83992&#038;source=0\">lake temperatures are running much warmer than normal<\/a> this year, in part because of the record warmth in March.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Clear skies over the upper Midwest on the morning of 13 June 2012 allowed the MODIS instrument on board Aqua and the AVHRR instrument on board NOAA-19 to sense the surface temperature of Lakes Michigan and Superior. Which instrument yielded observations that were closer to those recorded in situ by the moored buoys maintained by [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22,12,26],"tags":[],"class_list":["post-10569","post","type-post","status-publish","format-standard","hentry","category-avhrr","category-modis","category-poes"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/10569","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=10569"}],"version-history":[{"count":8,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/10569\/revisions"}],"predecessor-version":[{"id":10587,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/10569\/revisions\/10587"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=10569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=10569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=10569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}