Thunderstorm over Pawnee Grasslands, Colorado.

The first 3 shots shown here show a thunderstorm brewing over the Pawnee National Grasslands, Weld Co., Colorado, in June, 2007. These shots were taken with a Canon EOS 1D Mark III and a Sigma 12-24 mm lens. The bottom shot shows a rainbow after this storm had passed. At the end of the rainbow is the tiny town of Briggsdale, Colorado.