On April 29, 2011 (March 27, 2011 in the lunar calendar), several southern states in the United States were hit by tornadoes. Tornadoes hit on April 29, 2011 According to the BBC, several southern states in the United States were hit by tornadoes one after another, killing more than 280 people. The worst tornado disaster was Alabama, which had 137 tornadoes and killed 131 people. The state and several southern states have declared a state of emergency. US President Barack Obama said the casualties caused by the disaster are heartbreaking. He announced emergency assistance to the disaster area. On Friday, Obama will visit Alabama. The US weather department said that the United States has not encountered such a powerful tornado in more than 40 years. The weather department predicted that there will be more storms in the eastern region. After the tornado hit, many small trucks were blown into houses, many trees were uprooted, houses were destroyed, power supply was cut off, and various daily necessities were scattered everywhere, making the scene a mess. The US weather department said that the scope of the storm was very large, and it was affected to varying degrees from Texas to New York. Many roads were washed away by floods. US President Barack Obama has agreed to provide emergency federal disaster relief support to Alabama. Recently, the southern United States has been hit by a series of storms, which has caused a large number of casualties and property damage. After the tornado is devastated