{"id":591,"date":"2008-01-02T22:55:23","date_gmt":"2008-01-02T22:55:23","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/591"},"modified":"2008-01-04T02:09:18","modified_gmt":"2008-01-04T02:09:18","slug":"mesovortex-and-lake-effect-snow-band-over-lake-michigan","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/591","title":{"rendered":"Meso-vortex and lake-effect snow band over Lake Michigan"},"content":{"rendered":"<p><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/01\/080102_g12_ir2_vis_anim.gif\" title=\"GOES-12 3.9\u00c2\u00b5m IR + 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\/01\/080102_g12_ir2_vis_anim.gif\" title=\"GOES-12 3.9\u00c2\u00b5m IR + visible images (Animated GIF)\" alt=\"GOES-12 3.9\u00c2\u00b5m IR + visible images (Animated GIF)\" align=\"middle\" height=\"363\" width=\"480\" \/><\/a><\/p>\n<p>An animation of GOES-12 3.9 \u00c2\u00b5m shortwave IR <em>(nighttime)<\/em> and visible channel <em>(daytime)<\/em> images <em><strong>(above)<\/strong><\/em> shows a well-defined meso-vortex and single lake-effect snow (LES) band moving southward across the southern portion of Lake Michigan on <a href=\"http:\/\/www.hpc.ncep.noaa.gov\/dailywxmap\/index_20080102.html\" title=\"02 January 2008 daily weather map\" target=\"_blank\"><strong>02 January 2008<\/strong><\/a>. This narrow (but intense) LES  band  and meso-vortex contributed to impressive storm total snowfall amounts that included  <strong>26.0 inches<\/strong> at Hudson Lake, Indiana <em>(located about 15 miles west of South Bend, Indiana &#8212; station identifier <strong>KSBN<\/strong>)<\/em> and <strong>18.5 inches<\/strong>  at Buchanan, Michigan <em>(located about 10 miles northwest of KSBN)<\/em> &#8212; however, it appears that the majority of those storm total snowfall amounts were due to synoptic-scale snow and lake-enhanced snow processes during the preceding 24-48 hours.<\/p>\n<p>Mid-lake convergence played a role in the formation and maintenance of the LES band, as seen in an AWIPS image of the MODIS visible channel with <a href=\"http:\/\/ams.allenpress.com\/archive\/1520-0450\/44\/11\/pdf\/i1520-0450-44-11-1761.pdf\" title=\"CIMSS GOES Mesoscale Winds (AMS journal article)\" target=\"_blank\"><strong>CIMSS GOES Mesoscale Winds<\/strong><\/a> overlaid <em><strong>(below)<\/strong><\/em>.<\/p>\n<p><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/01\/080102_modis_vis_mesoscale_winds.jpg\" title=\"AWIPS MODIS visible + mesoscale winds\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/01\/080102_modis_vis_mesoscale_winds.jpg\" title=\"AWIPS MODIS visible + mesoscale winds\" alt=\"AWIPS MODIS visible + mesoscale winds\" align=\"middle\" height=\"461\" width=\"480\" \/><\/a><\/p>\n<p>An AWIPS 4-panel display of MODIS images <em><strong>(below)<\/strong><\/em> shows the visible channel <em>(upper left panel),<\/em> 2.1 \u00c2\u00b5m near-IR &#8220;Snow\/Ice&#8221; channel <em>(upper right panel),<\/em> Cloud Top Temperature product <em>(lower left panel),<\/em> and Cloud Phase product <em>(lower right panel)<\/em> at 16:45 UTC (10:45 am local time). The darker appearance of the thickest (eastern) portion of the LES band on the MODIS &#8220;snow\/ice&#8221; image suggested that part of the cloud band had glaciated and was composted primarily of ice crystals at that time <em>(snow and ice are strong absorbers at the 2.1 \u00c2\u00b5m wavelength, and appear much darker than supercooled water droplet clouds on the MODIS Snow\/Ice channel imagery);<\/em> this idea was further supported by corresponding MODIS Cloud Top Temperatures in the <strong>-15\u00c2\u00baC to -20\u00c2\u00baC<\/strong> range <em>(cyan to dark blue enhancement, lower left panel)<\/em> and <strong>&#8220;mixed phase&#8221;<\/strong> pixels on the MODIS Cloud Phase product <em>(dark gray enhancement, lower right panel)<\/em>.<\/p>\n<p><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/01\/080102_modis_4panel.jpg\" title=\"AWIPS MODIS 4-panel image\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/01\/080102_modis_4panel.jpg\" title=\"AWIPS MODIS 4-panel image\" alt=\"AWIPS MODIS 4-panel image\" align=\"middle\" height=\"461\" width=\"480\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An animation of GOES-12 3.9 \u00c2\u00b5m shortwave IR (nighttime) and visible channel (daytime) images (above) shows a well-defined meso-vortex and single lake-effect snow (LES) band moving southward across the southern portion of Lake Michigan on 02 January 2008. This narrow (but intense) LES band and meso-vortex contributed to impressive storm total snowfall amounts that included [&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":[19,12,25,5],"tags":[],"class_list":["post-591","post","type-post","status-publish","format-standard","hentry","category-goes-12","category-modis","category-satellite-winds","category-winter-weather"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/591","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=591"}],"version-history":[{"count":0,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/591\/revisions"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}