River valley fog in the Upper Midwest
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2018/06/180628_1202utc_goes16_natural_color-1.jpeg)
Comparisons of NOAA-20 and Suomi NPP VIIRS Day/Night Band (0.7 µm) and “Fog Product” Infrared Brightness Temperature Difference images (above) showed the nighttime formation of river valley fog in parts of the Mississippi River and its tributaries in Minnesota, Wisconsin and Iowa on 28 June 2018. Due to ample illumination... Read More