![](\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2025\/03\/GOES-16_RadC_day_snow_fog_2025090_130117_2025090_230117.gif\")
<\/a>GOES-16 Day Snow-Fog RGB images, from 1301-2301 UTC on 31 March [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>Darker shades of red in GOES-16 (GOES-East)<\/em> Day Snow-Fog RGB<\/strong><\/a> images on 31 March 2025<\/strong><\/a> (above)<\/em><\/strong> highlighted areas in eastern\/northeastern Minnesota, northern Wisconsin and the Upper Peninsula of Michigan that received an accrual of ice (from sleet and\/or freezing rain\/drizzle) as a late-season winter storm moved across the region during the previous 2 days. In the RGB images — created using Geo2Grid<\/strong><\/a> — snow-covered ground appeared as brighter shades of red, with bare ground exhibiting shades of green; clouds appeared as shades of white to pale yellow\/green (depending on the cloud-top phase).<\/p>\n A sequence of GOES-16 Visible and Near-Infrared “Snow\/Ice” images is shown below — areas that received significant ice accretion exhibited darker shades of black in the Snow\/Ice images. The highest ice accretion amounts in northern Wisconsin were 0.50″ in Forest and Oconto County, with 0.50″ also reported in Delta County in the UP of Michigan.<\/p>\n Sequence of GOES-16 Visible (0.64 \u00b5m) and Near-Infrared “Snow\/Ice” (1.61 \u00b5m) images (with\/without County outlines\/names), from 1306-2301 UTC on 31 March [click to play MP4 animation]<\/p><\/div>On the following day, clouds had cleared enough across the eastern UP of Michigan and northern Lower Michigan to reveal a darker-red Day Snow-Fog RGB signature of the areal coverage of ice accrual in those areas (below)<\/strong><\/em>.<\/p>\n GOES-16 Day Snow-Fog RGB images, from 1231-1651 UTC on 01 April [click to play animated GIF | MP4<\/strong><\/a>]<\/p><\/div>In a toggle between GOES-16 Day Snow-Fog RGB and True Color RGB images (below)<\/strong><\/em>, in northern Lower Michigan note the lack of a brighter white True Color appearance along the southern edge of the strong (darker red) Day Snow-Fog ice accrual signature — a layer of ice on the ground with no snow cover is generally translucent.<\/p>\n<\/a><\/a>