No. While all 50 states have had tornadoes, in many states they are not a serious enough threat for there to be tornado sirens. However, some locations have sirens for other purposes.
Though tornadoes are fairly common in many states outside tornado alley, the one with the most is Florida.
That would be 3 hence the "tri" MO, IL & IN
Tornado alley is not an event, it is an area of the central plains of the United States. It is always there and will almost certainly be there as long as the continents have their current forms.
The Great Plains of the United States are sometimes called Tornado Alley.
The Yazoo City tornado of 2010 affected two states: Louisiana and Mississippi.
Many of the states in tornado alley are also subject to flooding. Probably the best explanation is the costs of building an underground or reinforced shelter.
In 2011 there were 552 tornado fatalities in the United States, tying it as the second deadliest tornado year in U.S. history.
No. While all 50 states have had tornadoes, in many states they are not a serious enough threat for there to be tornado sirens. However, some locations have sirens for other purposes.
a lot but not more than tornado alley states
in tornado alley which is in Texas and states close to it
1691 tornadoes were confirmed in 2008 in the United States.
it is in California and kansas near tornado valley
Though tornadoes are fairly common in many states outside tornado alley, the one with the most is Florida.
Many more than six states were hit, and it was not a single tornado but many. Texas, Arkansas, Louisiana, Mississippi, Alabama, Tennessee, Georgia, South Carolina, Kentucky, and possibly other southern states were affected. Several northern states have been affected as well.
all states did
Tornado Alley did not occur. It was not an event. Tornado Alley is a region in the central United States.