Tornadoes in Tropics

[Perry]

Why is it rare for a tornado to form in the tropics?

-Perry-

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[Stephen Stein]

Perry wrote:
> Why is it rare for a tornado to form in the tropics?

The Coriolis force is lessened as one approaches the equator (where it
is zero). My guess is that this effect is what creates the circulation
needed for tornadoes.

http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/crls.rxml

Anyone know for sure?

- Steve Stein