Hurricane Watch M&A: Hurricanes Igor and Julia to Merge, Form Super-hurricane

From the National Hurricane Center:

Hurricane IGOR

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The combined entity is expected to dominate their market: 

Just kidding. 

The interactions can get pretty complex. One interesting possibility is the Fujiwara Effect where two storms move around a common pivot point:

Twin hurricanes Ione (left) and Kirsten (right) pinwheeling about the eastern Pacific during the 1974 Pacific hurricane season during a Fujiwara interaction

In all probability Igor will probably just absorb Julia.