{"id":26011,"date":"2017-11-07T23:59:16","date_gmt":"2017-11-07T23:59:16","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=26011"},"modified":"2017-11-20T15:50:13","modified_gmt":"2017-11-20T15:50:13","slug":"lakeriver-effect-clouds-in-north-dakota","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/26011","title":{"rendered":"Lake\/river effect clouds in North Dakota"},"content":{"rendered":"

\"GOES-16<\/a>

GOES-16 “Red” Visible (0.64 \u00b5m, top) and Near-Infrared “Snow\/Ice” (1.61 \u00b5m, bottom) images, with plots of hourly surface reports [click to play MP4 animation]<\/p><\/div>* GOES-16 data posted on this page are preliminary, non-operational and are undergoing testing *<\/em><\/p>\n

As cold arctic air<\/strong><\/a> continued to move eastward across North Dakota on 07 November 2017<\/strong><\/a>, GOES-16 “Red” Visible (0.64 \u00b5m<\/strong><\/a>) and Near-Infrared “Snow\/Ice” (1.61 \u00b5m<\/strong><\/a>) images (above)<\/strong> <\/em>showed “lake effect” cloud plumes streaming east-northeastward from Lake Sakakawea<\/strong><\/a> (and also from Missouri River). The Snow\/Ice images were the most useful for discriminating between supercooled water droplet cloud plumes (brighter shades of white)<\/em> and the surrounding snow-covered land surfaces (darker shades of gray)<\/em>.<\/p>\n

During the preceding nighttime hours, Suomi NPP VIIRS and Aqua MODIS Infrared Brightness Temperature Difference images (below)<\/strong><\/em> — the legacy “fog\/stratus product” — revealed that the orientation of the Lake Sakakawea cloud plume changed as surface winds switched from northwesterly to westerly.<\/p>\n

\"Infrared<\/a>

Infrared Brightness Temperature Difference images from Suomi NPP VIIRS (11.45 \u00b5m = 3.74 \u00b5m) and Aqua MODIS (11.0 \u00b5m – 3.7 \u00b5m) [click to enlarge]<\/p><\/div>The Aqua MODIS Sea Surface Temperature product (below)<\/strong><\/em> indicated that the water in Lake Sakakawea was as warm as 47.9\u00baF (darker green enhancement)<\/em> — significantly warmer than the surface air passing over it, which was generally in the 5 to 15\u00baF range.<\/p>\n

\"Aqua<\/a>

Aqua MODIS Sea Surface Temperature product [click to enlarge]<\/p><\/div>The large cloud plume from Lake Sakakawea was also very evident on GOES-16 Day Snow-Fog Red-Green-Blue (RGB) images (below)<\/strong><\/em>. Farther to the east, smaller and shorter-lived cloud plumes could also be seen originating from Devils Lake (along the Benson\/Ramsey county line)<\/em> and Stump Lake (in Nelson county).<\/em><\/p>\n

\"GOES-16<\/a>

GOES-16 Day Snow-Fog RGB images [click to animate]<\/p><\/div>Taking a closer look at the Lake Sakakawea area, the brighter signature of steam plumes rising from power plants located south and southeast of the lake (2 in Mercer county, and 1 in McLean county) could be spotted on the Day Snow-Fog RGB images (below)<\/strong><\/em>.<\/p>\n

\"GOES-16<\/a>

GOES-16 Day Snow-Fog RGB images [click to animate]<\/p><\/div>Due to the low sun angle and the snow-covered land surface, morning shadows from these rising steam plumes could be seen on GOES-16 “Red” Visible (0.64 \u00b5m) images (below)<\/strong><\/em>.<\/p>\n

\"GOES-16<\/a>

GOES-16 “Red” Visible images [click to animate]<\/p><\/div>Special thanks to Carl Jones (NWS Grand Forks) for bringing this case to our attention, and supplying the AWIPS RGB and Visible images at the bottom of the blog post.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

* GOES-16 data posted on this page are preliminary, non-operational and are undergoing testing * As cold arctic air continued to move eastward across North Dakota on 07 November 2017, GOES-16 “Red” Visible (0.64 \u00b5m) and Near-Infrared “Snow\/Ice” (1.61 \u00b5m) images (above) showed “lake effect” cloud plumes streaming east-northeastward from Lake Sakakawea (and also from […]<\/p>\n","protected":false},"author":18,"featured_media":26013,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[70,74,12,45,49,48],"tags":[],"class_list":["post-26011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aqua","category-goes-16","category-modis","category-redgreenblue-rgb-images","category-suomi_npp","category-viirs"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/26011","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=26011"}],"version-history":[{"count":7,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/26011\/revisions"}],"predecessor-version":[{"id":26149,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/26011\/revisions\/26149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/26013"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=26011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=26011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=26011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}