Located in the central regions of the United States, Tornado Alley is an area with higher than average tornado activity. According to the National Climatic Data Center, Tornado Alley includes the states of Kansas, Oklahoma, Iowa, Nebraska and northern Texas.
In this region, supercell tornadoes, or tornadoes with an intensity of F3 or higher, are more likely to occur during the spring and summer. According to the Weather Channel, Tornado Alley also includes large portions of the eastern and southern United States. Florida, for instance, has the greatest number of tornadoes in the United States, but the most intense tornadoes typically occur in central regions of the United States. For example, Oklahoma experienced an F5 tornado in the year 2013, according to the Esri Disaster Response Program.