A Snowy Drought

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January 2011 was marked by a series of crippling snow storms across the 
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<div style="width:100%"><font size="1">&copy; Image from  NASA's Terra satellite - courtesy of the NASA EO-1 team</font></div> 
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The image provides a gauge for both snow extent and the length of time 
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With all the snow, it would be easy to think that the United States 
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Satellite snow cover measurements, like this one, play an important role 
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&copy; Earth Observatory 
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