LIST: States with the most F5/EF5 tornadoes

With the addition of the May 31 tornado in El Reno to the list, Oklahoma now tops all states in F5 or EF5 tornadoes since 1950.

The Moore tornado, just 11 days before El Reno, was the state's 7th, tying it with Alabama, which saw two in one day in 2011.

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Kansas, Texas and Iowa round out the Top 5 big tornado producers, with six each.

In all, 60 tornadoes in 19 states have reached the maximum wind speed rating used by the National Weather Service.

Nebraska and Missouri, two states nestled in the heart of most Tornado Alley maps, have only combined for three F5 or EF5s. That's equal to or less than the states above and Wisconsin (3), Ohio and Mississippi (4 each).

According to the Weather Service, 1950 is when "modern record-keeping" began and is the cut-off date for many historical tornado statistics. Other tornadoes have been assessed an F or EF rating, but are not included on this list.

Here's a complete list of F5/EF5 tornadoes by state.

1. Oklahoma 8
2. Alabama 7
3t. Kansas 6
3t. Texas 6
3t. Iowa 6
6t. Ohio 4
6t. Mississippi 4
8. Wisconsin 3
9t. Missouri 2
9t. Michigan 2
9t. Illinois 2
9t. Minnesota 2
9t. North Dakota 2
18t. Nebraska 1
18t. Kentucky 1
18t. Indiana 1
18t. Louisiana 1
18t. Tennessee 1
18t. South Dakota 1

Source: National Weather Service Storm Prediction Center

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