This story appears in the July 2012 issue of National Geographic magazine ... Powered by a strong, rotating updraft, a supercell can steer itself away from the prevailing wind, devour or ...
recently told Canadian Geographic ... developing supercell near Bentley, Alta. (Shane Turgeon) In another winning image, he meets the eyes of a grizzly bear in Waterton Lakes National Park ...
A supercell thunderstrom in Oklahoma. Image courtesy of NSSL/NOAA. The National Weather Service defines a severe thunderstorm as a thunderstorm that is producing: Hail that is at least quarter ...
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