Tornadoes, climate change and why Dixie is the new Tornado Alley

  Tornadoes tore up homes in New Orleans and its suburbs and were reported in communities from Texas to Mississippi and Alabama as severe storms swept across the South in late March 2022. We asked tornado scientist Ernest Agee to explain what causes tornadoes and how the center of U.S. tornado activity has shifted eastward from the traditional Tornado Alley in recent years.