{"id":723,"date":"2013-12-12T16:19:19","date_gmt":"2013-12-12T23:19:19","guid":{"rendered":"http:\/\/rammb.cira.colostate.edu\/training\/visit\/blog\/?p=723"},"modified":"2026-03-06T09:06:29","modified_gmt":"2026-03-06T16:06:29","slug":"mesovortex-over-lake-ontario-from-12-december-2013","status":"publish","type":"post","link":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/2013\/12\/12\/mesovortex-over-lake-ontario-from-12-december-2013\/","title":{"rendered":"Mesovortex over Lake Ontario from 12 December 2013"},"content":{"rendered":"\n<p>A cold air mass was in place over the Great Lakes during 12 December 2013, providing for lake-effect snow across the Great Lakes.&nbsp; The synthetic imagery from the 4-km NSSL WRF-ARW model initialized 0000 UTC 12 December shows the various lake-effect snowbands (low-level clouds with brightness temperatures that are not that cold relative to high level clouds):<\/p>\n\n\n\n<p><a href=\"http:\/\/rammb.cira.colostate.edu\/templates\/loop_directory.asp?data_folder=training\/visit\/loops\/12dec13_syn_ir_buf&amp;image_width=1020&amp;image_height=900\" target=\"_blank\" rel=\"noopener\">http:\/\/rammb.cira.colostate.edu\/templates\/loop_directory.asp?data_folder=training\/visit\/loops\/12dec13_syn_ir_buf&amp;image_width=1020&amp;image_height=900<\/a><\/p>\n\n\n\n<p>GOES visible imagery during the morning of 12 December depicts a single band across Lake Ontario:<\/p>\n\n\n\n<p><a href=\"http:\/\/rammb.cira.colostate.edu\/templates\/loop_directory.asp?data_folder=training\/visit\/loops\/12dec13_goes_vis_ontario&amp;image_width=1020&amp;image_height=900\" target=\"_blank\" rel=\"noopener\">http:\/\/rammb.cira.colostate.edu\/templates\/loop_directory.asp?data_folder=training\/visit\/loops\/12dec13_goes_vis_ontario&amp;image_width=1020&amp;image_height=900<\/a><\/p>\n\n\n\n<p>Note the appearance of a mesoscale vortex along the band on the eastern end of Lake Ontario, soon after it appears it moves over land and loses its organization.<\/p>\n\n\n\n<p>The mesoscale vortex can be seen in the 0.5 degree radar reflectivity data from the KTYX WSR-88D (loop courtesy of College of Dupage NEXLAB):<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"900\" src=\"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-content\/uploads\/sites\/5\/2013\/12\/codnexlab.NEXRAD.TYX_.N0Q.20131212.1700.048ani1.gif\" alt=\"mesoscale vortex can be seen in the 0.5 degree radar reflectivity data from the KTYX WSR-88D \" class=\"wp-image-725\" title=\"KTYX radar loop\"\/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A cold air mass was in place over the Great Lakes during 12 December 2013, providing for lake-effect snow across the Great Lakes.&nbsp; The synthetic imagery from the 4-km NSSL WRF-ARW model initialized 0000 UTC 12 December shows the various lake-effect snowbands (low-level clouds with brightness temperatures that are not that cold relative to high <a href=\"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/2013\/12\/12\/mesovortex-over-lake-ontario-from-12-december-2013\/\" class=\"more-link\">Continue Reading<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,51],"tags":[],"class_list":["post-723","post","type-post","status-publish","format-standard","hentry","category-goes-r-proving-ground","category-lake-effects"],"_links":{"self":[{"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/posts\/723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/comments?post=723"}],"version-history":[{"count":1,"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/posts\/723\/revisions"}],"predecessor-version":[{"id":4708,"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/posts\/723\/revisions\/4708"}],"wp:attachment":[{"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/media?parent=723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/categories?post=723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rammb2.cira.colostate.edu\/visit-blog\/wp-json\/wp\/v2\/tags?post=723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}