Canon OS 5D Mark III, 24mm TS-E, F14, 1/13 sec, her +/- 3 stops, tripod. Keep extra socks with you at all times for emergency changes. The exhibit is open 9 a.m. to 5 p.m. weekdays and is located at 1325 East-West Main road, Silver Spring, MD. Photographing a rainbow by itself is pretty dull. These violent twisters form when the up drafts of air that supply storms with warm, humid air become a vortex, or high-speed whirlwind. Photographers can find out about the different ways in which weather occurs and learn about what to watch out for. Shelf Cloud and Lightning, Wisconsin Photograph by Jennifer Brinkley, Your Shot In a dramatic display of summer atmospheric conditions, lightning marks the end of an impressively long shelf cloud in the Midwestern U.S. Wet foliage and soaked mosses seem to emit a glow that can add that special something to an image.