Larry Jaques wrote:
Have you ever flushed a toilet?

Once or twice. So, where's the tsunami's drain hole, sir?
That said, look at the direction of spin. It's bassackwards for this
hemisphere.

Larry that is a "more or less" an "urban myth" .
The way the swirl forms is many time more controlled
by the shape of the area around the exit port.
The Coriolis force is so weak it takes a well
planned scientific experiment to demonstrate it.
...lew...