This storm would persist for over 11 hours, I was at the station until 3am and I watched it move into Arkansas with a persistent mesocyclone and tornado warning. The time frame from left to right was about 10 minutes. As quickly as the wall cloud forms it dissipates but as the storm moves farther down the road it begins to get a little more interesting, and in the right picture a new wall cloud forms and a small funnel will form. This is sometimes an indication of strong straight line winds. Also lightning was quite vivid.
Right photo shows CG coming out of the wall cloud.
Another wall cloud this one near Devol,OK as Tornado Warnings continue. This time rotation was high speed and it has been persistent just the right condition for a tornado, but alas, the RFD comes in an occludes the inflow cutting the meso off from the warm moist air. Also notice from left to right how the rain wraps around the wall cloud. A Coat and Tie while on the chase. Charlie Smith had an interesting view of this same storm.