"Click" it to enlarge it. You can "click" the image twice to fill your screen and see the funnel cloud impact, center, and its snaking cone coming from the clouds on the upper right.
This guy hung and whirled around me for thirty solid minutes, waxing, waning, strengthening, focusing and meandering close. Near me, I could see the bay cove's submerged sea grass uprooted by it whirling up into the air at its focal point on the water. There was no sound. They happen all the time in summer and especially at the margins of fall. I caught many redfish that day on crab flies, and let 'em go. They'd had a whirly day, too!