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.
Yes. A tornado is often visible as a funnel cloud as it develops.
its called the tornado tube
A tornado is called a waterspout anywhere that it forms on water.
Like a hurricane, the middle of the tornado is called the Eye.
Alley
The Centre of the tornado is the Eye.
It is usually called a tornado shelter. It may be called a storm cellar if it is underground.
A tornado on water is called a waterspout.
The formation of a tornado is called tornadogenesis.
A very skinny tornado is sometimes called a rope or elephant trunk.
The center of a tornado is often informally called an "eye" such as that in a hurricane. In technical terms it is called a weak-echo hole.