What is the Tornado Alley?

  Tornado Alley is in the United States where tornadoes are most frequent. Tornado Alley is between the Rocky Mountains and the Appalachian Mountains. The land is the best breeding ground for tornadoes. The land in Tornado Alley is flat, which allows cold polar air to meet warm tropical air.
  The Tornado Alley includes parts of Texas, Oklahoma, Kansas, and Nebraska. That is why lots of tornadoes hit these states. That is what Tornado Alley is.