<a href="https://en.wikipedia.org/wiki/Tropical_cyclone" class="extiw" title="w:Tropical cyclone">Hurricane</a> convergence zone in the Atlantic Ocean.
Graphic by Robert Simmon, NASA GSFC
<a rel="nofollow" class="external free" href="http://earthobservatory.nasa.gov/Library/Hurricanes/Images/carribean_wave.gif">http://earthobservatory.nasa.gov/Library/Hurricanes/Images/carribean_wave.gif</a>