Tornado outbreak sequence of April 19–24, 2011
| Meteorological history | |
|---|---|
| Duration | April 19–24, 2011 |
| Tornado outbreak | |
| Tornadoes | 134 |
| Maximum rating | EF4 tornado |
| Duration | 5 days, 7 hours |
| Highest winds | Tornadic – 170 mph (270 km/h) (St. Louis, Missouri EF4 on April 22) |
| Highest gusts | Non-tornadic – 120 mph (190 km/h) (Three locations on April 19) |
| Overall effects | |
| Fatalities | 0 |
| Injuries | 14 |
| Damage | ≥ $300 million (2011 USD) |
| Areas affected | Upper Midwest, Central Plains |
Part of the tornado outbreaks of 2011 | |
An extended period of significant tornado activity affected the Midwestern and Southern United States from April 19 to April 24, 2011, with 134 tornadoes being spawned across six days. The outbreak sequence produced an EF4 tornado that tore through the St. Louis metropolitan area on April 22, while other tornadoes caused damage in Illinois, Indiana, Ohio, Kentucky, Texas, Oklahoma, and other parts of Missouri during the period. No fatalities were reported in this outbreak sequence. This event was directly followed by the largest tornado outbreak in the history of the United States.