Okay, can anyone help me with this? This picture is from last Tuesday (what, the ninth?). It was taken about two miles west of Stringtown, OK on Highway 3, looking back to the SE. I noticed this feature, and wondered if it might be light coming from inside the mesocyclone. As you can see in the picture, the sky was dark everywhere except for the center of whatever feature this was. Any thoughts? Is it possible for there to be a hollow center in a storm where light comes down from higher elevations? Thanks in advance for any replies.