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, tornadoes are beyond our control.
No, not withing human means anyway.
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.
There is nothing that we can do or build that can prevent tornadoes.
Nothing. We cannot prevent tornadoes.
Nothing. It is impossible to stop tornadoes. We can only warn people and help them prepare.
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.
Tornadoes cannot be prevented. Current technology can warn us of an approaching tornado, but can't do anything to stop it.
There is no way of preventing any sort of natural disaster.
They can't. People cannot prevent tornadoes.
Scientists follow tornadoes to track where they are going and warn people in their paths. They also study tornadoes to learn more about them so they can be better predicted.