funnel cloud storm
A tornado in the southern hemisphere is still called a tornado.
The process of a tornado forming is called tornado genesis. Usually a tornado is a funnel cloud before it touches down.
A tornado is called a killer if it kills somebody.
Objects inside a tornado are called debris.
its called the tornado tube
A tornado is called a waterspout anywhere that it forms on water.
The top part of a tornado is called "the top"
Like a hurricane, the middle of the tornado is called the Eye.
Alley
The Centre of the tornado is the Eye.
A dust devil is sometimes called a mini tornado, though it is not actually a tornado, because it looks like a small tornado.
It is usually called a tornado shelter. It may be called a storm cellar if it is underground.