This funnel cloud is above Clinton Lake and is probably freaking out the boaters underneath. Fortunately (for them) the cloud tore apart before reaching the water.
Thank you Artic Fox and Denise. I appreciate your supportive comments. I was scared when I took this shot and the others in the series since I was completely exposed to the elements on the dam. Believe me I did look directly over my head to see if one was going to come out and snatch me.