July 21 Classic Wall Cloud

Pulling into the Interstate 380 rest area just north of the Swisher, Iowa exit around 4:22 pm CDT on Friday, July 21, 2017, the beautifully shaped base and wall cloud had grown immense in the SW sky. Though not exhibiting a rapid rotation, it still merited a spotter's report by me to the NWS in the Quad Cities at 4:24 pm.

4:27 pm. Looking SW from the back of the rest area. Wispy thin white clouds were orbiting the lowering counter-clockwise and can be seen at the top of the image above, and below (4:28 pm).

4:33 pm. The wall cloud has now taken on a more smooth appearance (above). Nikon D7200 DSLR camera.