Hurricane Danny fizzles: Why are there fewer big hurricanes?

http://m.csmonitor.com/USA/2015/0822/Hurricane-Danny-fizzles-Why-are-there-fewer-big-hurricanes

Unusually high atmospheric wind shear caused by a historic El Nino event in the Pacific, cooler than normal Atlantic water temperatures, air pressure differentials between the Atlantic and the East Pacific, and even dust from Saharan sand storms all play into dynamics that affect the easterly African weather waves that sometimes curl into Atlantic hurricanes.

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