Wichita Falls Texas Tornado - April 10, 1979

The massive wedge tornado, which was at its maximum 1.5 miles (2.4 km) wide, cut a 2.5-mile (4.0 km) swath of destruction through the south side of town, leveling everything in its path.

The injury count for this tornado was 1,740, the most injuries ever recorded for an F4/EF4 tornado

Max. rating F4 tornado
Fatalities 42 fatalities, 1,740 injuries
Damage $400 million (1979 USD)