View of the squall line over the Central Plains from VIIRS channel I-5, 7:45 UTC 15 April 2012. Colors indicate brightness temperatures. The color scale is as follows (in decreasing temperature): yellow begins at 245 K, red begins at 237 K, magenta begins at 229 K, light blue begins at 221 K, green begins at 214 K, gray/white begins at 205 K and dark blue begins at 196 K.