What states have tornado sirens?

Tornado sirens are commonly found in states located in "Tornado Alley," which includes parts of Texas, Oklahoma, Kansas, Nebraska, and South Dakota. Many other states that experience tornadoes, such as Missouri, Illinois, Indiana, and Iowa, also have tornado siren systems. Additionally, states in the southeastern U.S., like Alabama and Mississippi, often utilize sirens for severe weather warnings. Overall, any state at risk for tornadoes may implement these warning systems to alert residents.