Lack of wind, since the trade winds of the north and south hemispheres converge or cancel each other at the equator https://en.m.wikipedia.org/wiki/Intertropic

Lack of wind, since the trade winds of the north and south hemispheres converge or cancel each other at the equator https://en.m.wikipedia.org/wiki/Intertropical_Convergence_Zone https://en.m.wikipedia.org/wiki/Intertropical_Convergence_Zo...