August 19, 2011 -- We can all get a little wacky when we’re under pressure. Apparently, weather is similarly vulnerable. In recent months, persistent ridges of high pressure have been driving storms away from the south central United States, leaving that region parched while drenching others with unusually heavy rain. The effects of this weather dichotomy are clearly visible in satellite imagery released this week at the NASA Earth Observatory.
The wacky mix of wet and dry weather left its mark in some unusual plant growth during the month of July (above). Here’s what the colors mean:
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