{"id":26767,"date":"2018-01-19T23:59:15","date_gmt":"2018-01-19T23:59:15","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=26767"},"modified":"2018-01-20T23:14:50","modified_gmt":"2018-01-20T23:14:50","slug":"ice-dam-in-lake-erie","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/26767","title":{"rendered":"Ice dam in Lake Erie"},"content":{"rendered":"<p><div style=\"width: 650px\" class=\"wp-caption aligncenter\"><a class=\"thumbnail\" href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/01\/180119_goes16_visible_surface_winds_gusts_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbnail\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/01\/G16_VIS_ICE_WINDS_19JAN2018_960x1280_B2_2018019_180219_0001PANEL_00049.GIF\" alt=\"GOES-16 \" width=\"640\" height=\"480\" \/><\/a><p class=\"wp-caption-text\">GOES-16 &#8220;Red&#8221; Visible <em>(0.64 \u00b5m)<\/em> images, with hourly surface wind barbs plotted in yellow and wind gusts (knots) plotted in cyan [click to play animation]<\/p><\/div>Thanks to Dave Zaff (<a href=\"http:\/\/www.weather.gov\/buf\/\"><strong>NWS Buffalo<\/strong><\/a>) for the email alerting us to an ice dam that had formed across the eastern portion of Lake Erie on <a href=\"http:\/\/www.wpc.ncep.noaa.gov\/dailywxmap\/index_20180119.html\"><strong>19 January 2018<\/strong><\/a> &#8212; GOES-16<em> (GOES-East)<\/em> &#8220;Red&#8221; Visible (<a href=\"http:\/\/cimss.ssec.wisc.edu\/goes\/OCLOFactSheetPDFs\/ABIQuickGuide_Band02.pdf\"><strong>0.64 \u00b5m<\/strong><\/a>) images <em><strong>(above)<\/strong><\/em> showed that the northeastward drift of ice floes was effectively being blocked by this ice dam feature.<\/p>\n<p>A toggle between 250-meter resolution Terra MODIS True-color and False-color Red-Green-Blue (RGB) images from the <a href=\"http:\/\/ge.ssec.wisc.edu\/modis-today\/index.php?satellite=t1&amp;product=true_color&amp;date=2018_01_19_019&amp;overlay_sector=false&amp;overlay_state=true&amp;overlay_coastline=true\"><strong>MODIS Today<\/strong><\/a> site <em><strong>(below)<\/strong><\/em> provided a more detailed view of the Lake Erie ice dam and upwind drift ice at 1615 UTC. Snow and ice appear as shades of cyan in the False-color image, in contrast to supercooled water droplet clouds which are shades of white.<\/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\/2018\/01\/180119_1615utc_terra_modis_truecolor_falsecolor_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/01\/180119_1615utc_terra_modis_truecolor_falsecolor_anim.gif\" alt=\"Terra MODIS True-color and False-color RGB images [click to enlarge]\" width=\"639\" height=\"415\" \/><\/a><p class=\"wp-caption-text\">Terra MODIS True-color and False-color RGB images; red arrows denote the location of the ice dam [click to enlarge]<\/p><\/div>The Terra MODIS Visible (0.65 \u00b5m) image with an overlay of <a href=\"http:\/\/www.nco.ncep.noaa.gov\/pmb\/products\/rtma\/\"><strong>RTMA<\/strong><\/a> surface winds<em><strong> (below)<\/strong><\/em> showed the southwesterly flow across the long axis of the lake.<\/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\/2018\/01\/180119_1607utc_terra_modis_visible_metars_rtma_surface_winds_Lake_Erie_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/01\/180119_1607utc_terra_modis_visible_metars_rtma_surface_winds_Lake_Erie_anim.gif\" alt=\"Terra MODIS Visible (0.65 \u00b5m) image with surface METAR reports and RTMA surface winds [click to enlarge]\" width=\"639\" height=\"390\" \/><\/a><p class=\"wp-caption-text\">Terra MODIS Visible (0.65 \u00b5m) image with surface METAR reports and RTMA surface winds [click to enlarge]<\/p><\/div>A toggle between 1607 UTC Terra MODIS and 1757 UTC Suomi NPP VIIRS Visible images <em><strong>(below)<\/strong> <\/em>showed the motion of the lake drift ice during that time period.<\/p>\n<div style=\"width: 649px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/01\/180119_modis_viirs_visible_Lake_Erie_anim.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/01\/180119_modis_viirs_visible_Lake_Erie_anim.gif\" alt=\"Terra MODIS and Suomi NPP VIIRS Visible images, with METAR surface reports [click to enlarge]\" width=\"639\" height=\"390\" \/><\/a><p class=\"wp-caption-text\">Terra MODIS and Suomi NPP VIIRS Visible images, with METAR surface reports [click to enlarge]<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Thanks to Dave Zaff (NWS Buffalo) for the email alerting us to an ice dam that had formed across the eastern portion of Lake Erie on 19 January 2018 &#8212; GOES-16 (GOES-East) &#8220;Red&#8221; Visible (0.64 \u00b5m) images (above) showed that the northeastward drift of ice floes was effectively being blocked by this ice dam feature. [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":26773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,12,45,49,71,48,5],"tags":[],"class_list":["post-26767","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-modis","category-redgreenblue-rgb-images","category-suomi_npp","category-terra","category-viirs","category-winter-weather"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/26767","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=26767"}],"version-history":[{"count":6,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/26767\/revisions"}],"predecessor-version":[{"id":26775,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/26767\/revisions\/26775"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/26773"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=26767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=26767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=26767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}