NASA Satellite Spots Severe Weather in U.S. South

An unusually quiet start to the spring 2014 tornado season in the United States ended abruptly Sunday, April 27. That's when severe weather moved through the central and southern states, and it is continuing through Tuesday, April 29. The National Weather Service says, as of Tuesday morning, more than 110 tornados had been reported, resulting in numerous fatalities across several states.

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