As I looked over head I saw some weird cloud shoots of light and puff as the clouds seemed to reform sporadically. I could see that a storm cloud was building, but the light and visual show was intriguing me.
So I grabbed my iPhone and recorded this."
And here's what appears to be the same thing happening over Florida from 2009:
Weird things in the clouds
"Some odd phenomenon in the sky off the pier looking towards the coast."
Looks like charge strings energizing the cloud tops. Could it be a demonstration of the electrical solar system model proposed by J. McCanney?