A series of tornadoes struck the southern U.S. states by the end of April, was the most significant in the history of the country. From 25 to 28 April, the National Weather Service has officially confirmed 362 tornadoes, including 312 — in just one day. The previous record was achieved on April 3-4, 1974, when two days were recorded 148 tornadoes. As a result of rampant tornadoes in Mississippi, Alabama, Georgia, Tennessee, Virginia, Louisiana and Kentucky, killing 350 people. Most heap tornado struck the Alabama. In only one university town of Tuscaloosa killed 65 people. Swath of destruction of the largest tornado had a width of 2.4 km and a length of 130 km. Wind speed, which is able to measure, exceeded 320 km / h The number of victims and destruction experts conclude that it is the second power of a tornado strike in U.S. history. Suffered a great shock to the U.S. in 1925. Then, in the states of Missouri, Illinois and Indiana killed 747 people.