this post was submitted on 18 Sep 2023
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Anybody have an ELI5?
I believe it’s because currents of air rotate in the opposite direction. So to cross the equator the air would have to pass a boundary of global air currents which are going counter to the hurricane’s motion. See this picture for a reference.
So the thing about the toilet water spinning in the other direction in the south hemipshere is true?
No - the direction the toilet water spins depends on the small scale vortices created when you flush. The Coriolis effect is slow - it acts at a much longer time scale.