When I left Cordell for Kansas, it seemed the dynamics were present not only for severe weather, but tornado possibilities as well. As it turned out, some rotation was visible as storms developed, but they lined out very quickly. And it took until well after 7:00 pm CDT for anything to happen. So once it did, daylight was limited.
In any case here are a few pictures of the developing stages of the severe line segment near Wellington, KS
The first rather anemic tower goes up at about 7:15 pm CDT:
