![\"GOES-16](\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2018\/02\/180204_goes16_visible_western_Lake_Superior_ice_anim.gif\")
<\/a>GOES-16 “Red” Visible (0.64 \u00b5m) images, with plots of hourly surface reports [click to play animation]<\/p><\/div>After several days of cold temperatures, ice coverage in the western half of Lake Superior began to increase — and GOES-16 (GOES-East)<\/em> “Red” Visible (0.64 \u00b5m<\/strong><\/a>) images (above)<\/strong><\/em> showed the motion of some of this lake ice (which was driven by a combination of surface winds and lake circulations) on 04 February 2018<\/strong><\/a>. That morning a number of locations in northern and northeastern Minnesota reported low temperatures in the -20 to -40 \u00baF range, with -43 \u00baF at Embarrass (the coldest location in the Lower 48 states).<\/p>\n With an overpass of the Landsat-8 satellite at 1646 UTC, a 30-meter resolution False-color Red-Green-Blue (RGB) image (below)<\/strong><\/em> provided a very detailed view of a portion of the Lake Superior ice. NOAA-GLERL<\/strong><\/a> analyzed the mean ice concentration of Lake Superior to be at 23.9% <\/strong><\/a>; the Canadian Ice Service<\/strong><\/a> analyzed much of the new lake ice<\/strong><\/a> to have a concentration<\/strong><\/a> of 9\/10ths to 10\/10ths.<\/p>\n Landsat-8 False-color RGB image [click to enlarge]<\/p><\/div>Magnified sections of the Landsat-8 RGB image swath are shown below, moving from northeast to southwest.<\/p>\n Landsat-8 False-color RGB image [click to enlarge]<\/p><\/div> Landsat-8 False-color RGB image [click to enlarge]<\/p><\/div> Landsat-8 False-color RGB image [click to enlarge]<\/p><\/div><\/a><\/a><\/a><\/a>