When wind over Africa blows west -- towards the United States , it carries massive amounts of dust from sandstorms in the Sahara desert. As the dust passes over the Atlantic, it blocks out the sunlight cooling ocean temperatures below the ideal temperature to form more hurricanes.posted by stbalbach at 11:56 AM on May 13, 2011 [1 favorite]
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posted by supermedusa at 10:41 AM on May 13, 2011