That's the way I have done it. At night I setup a 15sec or 30 sec exposure, make sure the camera is facing the storm, and keep clicking. The joys of digital! Otherwise I would have used $$$ to catch possibly one and develop hundreds. Also, you have the luxury of looking at the first one you shoot, and make adjustments as needed.
Nice shot. Glad to see I'm not the only one who hunkers down in the garage with a tripod lol..
