Super Outbreak

The Super Outbreak, also known as Jumbo Outbreak, was the largest series of tornadoes that was found to record outbreak in April 2011. From 3 to April 4, 1974 13 U.S. states were hit by a total of 148 tornadoes: Illinois, Indiana, Michigan, Ohio, Kentucky, Tennessee, Alabama, Mississippi, Georgia, North Carolina, Virginia, West Virginia and New York. A tornado was also recorded near Windsor, Ontario, Canada - the only one outside the United States. At the same time, this series holds the record for the number F4 the most tornadoes of the stages and F5 in the Fujita scale: it seven F5 tornadoes and 23 F4 tornadoes were registered.

Course

The series began in Morris, Illinois, about one clock in the afternoon on April 3, 1974. During the eastward migration storms were stronger. A tornado near Monticello, Indiana, has been classified as an F4 tornado moved over a distance of 121 miles ( 195 km), while the tornado killed 19 people. The first F5 Tornado started in Xenia, Ohio, and called for 33 fatalities, 1,150 others were injured. Through him, a quarter of the city was completely destroyed and another quarter was seriously damaged. The climax of the series, there were 15 individual tornadoes at the same time.

During a period of 18 hours, tornadoes were consistently on the go and the series ended in the early morning of April 4, 1974. Altogether 315 and 330 people were killed by tornadoes 148 during this period, 5,484 were injured.

Cause

The Super Outbreak was the result of the very strong La Niña year of 1973/74 and is similar in a series of tornadoes in March 2006. Though this relationship is known for at least two series, there is no general scientific evidence for this relationship between La Niña and the emergence of larger series of tornadoes. Strength of the Super Outbreak on the Fujita scale