When tornadoes are approaching they look like huge funnels. Tornadoes can approach an area very quickly You are advised to leave an hour before you can see the storm.
Tornadoes cannot be prevented. Current technology can warn us of an approaching tornado, but can't do anything to stop it.
people call in and tell them or a radar picks up the approaching tornado
Go to a safe place and stay in the basement
Tornadoes do often kill birds, though they can survive, especially if the tornado isn't very strong.
There are multivortex tornadoes that at times can look like they are made up of two or more tornadoes
A better warning system will allow people to better prepare for an approaching tornado, meaning that fewer people will be killed or injured in tornadoes.
Because nearly all tornadoes are produced by supercells.
Both
you must look both ways left and right
There is no scientific evidence to suggest that animals can predict tornadoes before they arrive. However, animals have been known to exhibit behavior changes in response to changes in air pressure and other environmental cues associated with severe weather events like tornadoes.
to watch for and warn his group if someone who is not supposed to be with them is approaching.
No terrain is safe. It is a common misconception that tornadoes cannot hit hilly or mountainous terrain. They can and do. Although mountains may inhibit the initial development of a storm, once a tornado is estalblished hills do not affect it. In fact they can make an approaching tornado harder to see.