Usually one tornado does not result in other tornadoes. Some strong tornadoes can produce a satellite tornadoes that orbit them, but this is not very common.
Tornadoes are not named. There are too many of them for any sort of naming system.
The U.S. averages about 1200 tornadoes per year.
About 1,000 on average.
Many hurricanes, but not all, produce tornadoes. However, most tornadoes do not come from hurricanes.
Tornadoes most often come out of the southwest.
Only one. Like many things, no two tornadoes are exactly alike.
Tornadoes are not named. Tornadoes are too short-lived for a name to be useful, and there are simply too many of them for any naming system to work.
No, tornadoes are not named. Unlike hurricanes tornadoes come and go too quickly to be named and there are far to many of them for there to be any semblance of an effective naming system.
No it does not come from tornadoes . :] .....
Six of the seven continents get tornadoes. The only one that doesn't is Antarctica.
No. Tornadoes usually come out of the west or southwest, but they can travel in any direction.
Tornadoes are very often accompanied by hail, but not always. In many cases that hail comes before the tornado.