Photos That Wow: Winners of National Geographic Traveler Contest

"The Independence Day" - First Place

This supercell brewed over Julesberg, Colorado. The storm produced hail and rain, but never developed into a full tornado.

(Image credit: Marko Korošec / National Geographic Traveler Photo Contest)
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Kelly Dickerson
Staff Writer
Kelly Dickerson is a staff writer for Live Science and Space.com. She regularly writes about physics, astronomy and environmental issues, as well as general science topics. Kelly is working on a Master of Arts degree at the City University of New York Graduate School of Journalism, and has a Bachelor of Science degree and Bachelor of Arts degree from Berry College. Kelly was a competitive swimmer for 13 years, and dabbles in skimboarding and long-distance running.