There is no way to prevent tornadoes, but warning systems have been in place for decades.
No. There is no way for us to prevent tornadoes. We cannot control nature.
No, not withing human means anyway.
No, tornadoes are beyond our control.
There is no way to prevent tornadoes or any other type of weather event.
Nothing. We cannot prevent tornadoes.
There is nothing that we can do or build that can prevent tornadoes.
Nothing. We can prepare for tornadoes to reduce the number of people killed or injured, but we have no way of stopping or controlling them.
They can't. People cannot prevent tornadoes.
They can. Rivers are by no means a requirement for tornado formation, but neither do they prevent tornadoes in any way. A number of tornadoes, for example, have crossed the Mississippi river.
There is no way of preventing any sort of natural disaster.
Nothing. It is impossible to stop tornadoes. We can only warn people and help them prepare.
Tornadoes cannot be prevented. Current technology can warn us of an approaching tornado, but can't do anything to stop it.