May 4
- 1922 – A pair of tornadoes struck Austin, Texas. The stronger of the two, estimated at F4 intensity, devastated the eastern part of the city, killing at least 12 (possibly 13) people and causing damage to St. Edward's University, where one student died. An F2 tornado destroyed frail homes on the west side of the city and injured seven people.
- 2003 – Part of a larger outbreak sequence, tornadoes killed 38 people across the central United States. An F4 tornado killed 11 people between Denmark and Jackson, Tennessee. An F3 tornado killed seven people in Lawrence, Christian, and Greene Counties, Missouri, wit the worst damage in Pierce City.. Multiple tornadoes, including two at F4 intensity, affected the Kansas City metropolitan area.
- 2007 – The first tornado to be rated EF5 on the new Enhanced Fujita scale destroyed 95% of Greensburg, Kansas, killing 11 people and injuring 63. A later member of the same tornado family grew to 2.2 miles (3.5 km) wide, one of the largest tornadoes on record.