Here are the tornado capitals of the US

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INCREDIBLE: Huge tornado passes right in front of Reed Timmer

As things heat up this summer, towns across the U.S. may see the sky above darken, and clouds shift into ominous looking spirals. In counties across the Midwest, tornado season is upon us. Recently, WeatherDB, a weather data site that's part of Graphiq, discovered which counties in the U.S. suffered the most damage from tornadoes in the last twenty years, but which counties experience the most tornadoes?

WeatherDB found out which 10 U.S. counties experienced the most tornadoes between 1951 and 2015. Data was collected from NOAA's Severe Weather Data Inventory. Counties are ranked by their Tornado Frequency, which is measured in tornadoes per year per 1,000 square miles. It is the average number of tornadoes that would hit the county per year, if the county was exactly 1,000 square miles. The area of the county was taken into account so larger counties were not weighted higher than smaller counties. Damage, death and injury numbers were gathered for each county. The total damage for each tornado was adjusted for inflation to today's dollars, and ties were broken using total adjusted damages.

To many, the South is synonymous with hurricanes. However, tornadoes are another natural hazard that southern states like Louisiana, Alabama and Florida experience annually. In fact, six separate counties in the South made it on this list. Texas is also home to multiple tornado-damaged counties. Tornadoes damage many areas in the U.S. we may not expect.

#10. Johnson County, Texas

Tornado Frequency: 2.16 per year
Most Tornadoes in a Year: 8 (in 1971)
Total Adjusted Damages: $314.8 million
Total Deaths: 0
Total Injuries: 33

Note: Tornado frequency is per 1,000 sq. mi.

#9. Lee County, Florida

Tornado Frequency: 2.17 per year
Most Tornadoes in a Year: 10 (in 1990)
Total Adjusted Damages: $58.3 million
Total Deaths: 1
Total Injuries: 30

Note: Tornado frequency is per 1,000 sq. mi.

#8. Hall County, Nebraska

Tornado Frequency: 2.17 per year
Most Tornadoes in a Year: 15 (in 1980)
Total Adjusted Damages: $1.07 billion
Total Deaths: 5
Total Injuries: 205

Note: Tornado frequency is per 1,000 sq. mi.

#7. Cleveland County, Oklahoma

Tornado Frequency: 2.2 per year
Most Tornadoes in a Year: 9 (in 1960)
Total Adjusted Damages: $3.05 billion
Total Deaths: 42
Total Injuries: 669

Note: Tornado frequency is per 1,000 sq. mi.

#6. Lafayette Parish, Louisiana

Tornado Frequency: 2.27 per year
Most Tornadoes in a Year: 4 (in 1975)
Total Adjusted Damages: $84.1 million
Total Deaths: 2
Total Injuries: 41

Note: Tornado frequency is per 1,000 sq. mi.

#5. Adams County, Colorado

Tornado Frequency: 2.29 per year
Most Tornadoes in a Year: 17 (in 1988)
Total Adjusted Damages: $81.4 million
Total Deaths: 0
Total Injuries: 43

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States by Church Attendance

51. Vermont

Attend Weekly: 17%
Attend Nearly Weekly/Monthly: 11%
Attend Seldom to Never: 71%

(AP Photo/Toby Talbot)

50. New Hampshire

Attend Weekly: 20%
Attend Nearly Weekly/Monthly: 16%
Attend Seldom to Never: 63%

(AP Photo/David Crary)

49. Maine

Attend Weekly: 20%
Attend Nearly Weekly/Monthly: 14%
Attend Seldom to Never: 65%

(Photo by John Patriquin/Portland Press Herald via Getty Images)

48. Massachusetts

Attend Weekly: 22%
Attend Nearly Weekly/Monthly: 17%
Attend Seldom to Never: 59%

(Photo by Paul Marotta/Getty Images)

47. Washington, D.C. 

Attend Weekly: 23%
Attend Nearly Weekly/Monthly: 28%
Attend Seldom to Never: 47%

(Photo by Bill O'Leary/The Washington Post via Getty Images)

46. Washington

Attend Weekly: 24%
Attend Nearly Weekly/Monthly: 17%
Attend Seldom to Never: 58%

(Photo by View Pictures/UIG via Getty Images)

45. Oregon

Attend Weekly: 24%
Attend Nearly Weekly/Monthly: 15%
Attend Seldom to Never: 59%

(AP Photo/Rick Bowmer)

44. Hawaii

Attend Weekly: 25%
Attend Nearly Weekly/Monthly: 18%
Attend Seldom to Never: 56%

(Photo by: JTB Photo/UIG via Getty Images)

43. Colorado

Attend Weekly: 25%
Attend Nearly Weekly/Monthly: 19%
Attend Seldom to Never: 55%

(Caleb Harper via Getty Images)

42. Connecticut

Attend Weekly: 25%
Attend Nearly Weekly/Monthly: 19%
Attend Seldom to Never: 54%

(Robert Ford via Getty Images)

41. Alaska

Attend Weekly: 26%
Attend Nearly Weekly/Monthly: 14%
Attend Seldom to Never: 57%

(Bob Hallinen/Anchorage Daily News/MCT via Getty Images)

40. Montana

Attend Weekly: 27%
Attend Nearly Weekly/Monthly: 17%
Attend Seldom to Never: 55%

(Joanna McCarthy via Getty Images)

39. Nevada

Attend Weekly: 27%
Attend Nearly Weekly/Monthly: 18%
Attend Seldom to Never: 53%

(Photo via Getty Images)

38. New York

Attend Weekly: 27%
Attend Nearly Weekly/Monthly: 20%
Attend Seldom to Never: 51%

(AP Photo Stephen Chernin)

37. California

Attend Weekly: 28%
Attend Nearly Weekly/Monthly: 19%
Attend Seldom to Never: 51%

(Doug Steakley via Getty Images)

36. Wyoming

Attend Weekly: 28%
Attend Nearly Weekly/Monthly: 18%
Attend Seldom to Never: 52%

(Photo by Robert Alexander/Getty Images)

35. Rhode Island

Attend Weekly: 28%
Attend Nearly Weekly/Monthly: 17%
Attend Seldom to Never: 53%

 (AP Photo/Steven Senne)

34. Wisconsin

Attend Weekly: 29%
Attend Nearly Weekly/Monthly: 24%
Attend Seldom to Never: 45%

(Photo By Raymond Boyd/Getty Images)

33. New Jersey

Attend Weekly: 30%
Attend Nearly Weekly/Monthly: 22%
Attend Seldom to Never: 46%

(Photo by Alex Trautwig/Getty Images)

32. Minnesota

Attend Weekly: 31%
Attend Nearly Weekly/Monthly: 23%
Attend Seldom to Never: 45%

(Photo via Getty Images)

31. South Dakota

Attend Weekly: 31%
Attend Nearly Weekly/Monthly: 25%
Attend Seldom to Never: 43%

(Photo by Jean-Marc Giboux/Liaison)

30. Maryland

Attend Weekly: 31%
Attend Nearly Weekly/Monthly: 21%
Attend Seldom to Never: 45%

(William Sherman via Getty Images)

29. Florida

Attend Weekly: 32%
Attend Nearly Weekly/Monthly: 21%
Attend Seldom to Never: 45%

(Tammy Lee Bradley via Getty Images)

28. Iowa

Attend Weekly: 32%
Attend Nearly Weekly/Monthly: 23%
Attend Seldom to Never: 44%

(Photo by: Education Images/UIG via Getty Images)

27. Pennsylvania

Attend Weekly: 32%
Attend Nearly Weekly/Monthly: 20%
Attend Seldom to Never: 47%

(AP Photo/Matt Rourke)

26. North Dakota

Attend Weekly: 32%
Attend Nearly Weekly/Monthly: 29%
Attend Seldom to Never: 37%

(Tyler Olson via Getty Images)

25. Illinois

Attend Weekly: 32%
Attend Nearly Weekly/Monthly: 21%
Attend Seldom to Never: 45%

(Henryk Sadura via Getty Images)

24. Ohio

Attend Weekly: 32%
Attend Nearly Weekly/Monthly: 20%
Attend Seldom to Never: 47%

(Steven Miric via Getty Images)

23. Michigan

Attend Weekly: 32%
Attend Nearly Weekly/Monthly: 19%
Attend Seldom to Never: 47%

(Photo By Raymond Boyd/Getty Images)

22. Kansas

Attend Weekly: 33%
Attend Nearly Weekly/Monthly: 21%
Attend Seldom to Never: 46%

(Photo via Getty Images)

21. Arizona

Attend Weekly: 33%
Attend Nearly Weekly/Monthly: 18%
Attend Seldom to Never: 48%

(Natalia Bratslavsky via Getty Images)

20. West Virginia

Attend Weekly: 34%
Attend Nearly Weekly/Monthly: 18%
Attend Seldom to Never: 47%

(AP Photo)

19. Idaho

Attend Weekly: 34%
Attend Nearly Weekly/Monthly: 16%
Attend Seldom to Never: 49%

(Caleb Harper via Getty Images)

18. Missouri

Attend Weekly: 35%
Attend Nearly Weekly/Monthly: 22%
Attend Seldom to Never: 42%

(Photo via Getty Images)

17. Delaware

Attend Weekly: 35%
Attend Nearly Weekly/Monthly: 18%
Attend Seldom to Never: 46%

(Photo by John Greim/LightRocket via Getty Images)

16. Virginia

Attend Weekly: 35%
Attend Nearly Weekly/Monthly: 22%
Attend Seldom to Never: 41%

(Brianna May via Getty Images)

15. Indiana

Attend Weekly: 35%
Attend Nearly Weekly/Monthly: 21%
Attend Seldom to Never: 42%

(Photo via Getty Images)

14. Nebraska

Attend Weekly: 35%
Attend Nearly Weekly/Monthly: 24%
Attend Seldom to Never: 40%

(AP Photo/Nati Harnik)

13. New Mexico

Attend Weekly: 36%
Attend Nearly Weekly/Monthly: 17%
Attend Seldom to Never: 45%

(Carl Weaver via Getty Images)

12. Oklahoma

Attend Weekly: 39%
Attend Nearly Weekly/Monthly: 20%
Attend Seldom to Never: 40%

(Anne Rippy via Getty Images)

11. Texas

Attend Weekly: 39%
Attend Nearly Weekly/Monthly: 23%
Attend Seldom to Never: 36%

(Photo via Getty Images)

10. Georgia

Attend Weekly: 39%
Attend Nearly Weekly/Monthly: 25%
Attend Seldom to Never: 34%

(AP Photo/David Goldman)

9. North Carolina

Attend Weekly: 40%
Attend Nearly Weekly/Monthly: 24%
Attend Seldom to Never: 34%

(Mark Treese via Getty Images)

8. Kentucky

Attend Weekly: 41%
Attend Nearly Weekly/Monthly: 20%
Attend Seldom to Never: 38%

(Charles Bertram/Lexington Herald-Leader/MCT via Getty Images)

7. Tennessee

Attend Weekly: 42%
Attend Nearly Weekly/Monthly: 22%
Attend Seldom to Never: 34%

(John Elk via Getty Images)

6. South Carolina

Attend Weekly: 42%
Attend Nearly Weekly/Monthly: 25%
Attend Seldom to Never: 30%

(Photo via Getty Images)

5. Arkansas

Attend Weekly: 45%
Attend Nearly Weekly/Monthly: 21%
Attend Seldom to Never: 32%

(Rex Lisman via Getty Images)

4. Louisiana

Attend Weekly: 46%
Attend Nearly Weekly/Monthly: 22%
Attend Seldom to Never: 30%

(Photo via Getty Images)

3. Alabama

Attend Weekly: 46%
Attend Nearly Weekly/Monthly: 23%
Attend Seldom to Never: 29%

(Photo via Getty Images)

2. Mississippi

Attend Weekly: 47%
Attend Nearly Weekly/Monthly: 26%
Attend Seldom to Never: 25%

(Photo via Getty Images)

1. Utah

Attend Weekly: 51%
Attend Nearly Weekly/Monthly: 13%
Attend Seldom to Never: 35%

As Gallup noted in its assessment of the numbers "Utah's No. 1 position on the list is a direct result of that state's 59% Mormon population, as Mormons have the highest religious service attendance of any major religious group in the U.S."

(Photo via Getty Images)

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#4. Oklahoma County, Oklahoma

Tornado Frequency: 2.45 per year
Most Tornadoes in a Year: 7 (in 1974)
Total Adjusted Damages: $1.21 billion
Total Deaths: 16
Total Injuries: 529

Note: Tornado frequency is per 1,000 sq. mi.

#3. Jefferson Parish, Louisiana

Tornado Frequency: 2.7 per year
Most Tornadoes in a Year: 3 (in 1991)
Total Adjusted Damages: $133.5 million
Total Deaths: 4
Total Injuries: 71

Note: Tornado frequency is per 1,000 sq. mi.

#2. Galveston County, Texas

Tornado Frequency: 4.74 per year
Most Tornadoes in a Year: 7 (in 1983)
Total Adjusted Damages: $89.4 million
Total Deaths: 9
Total Injuries: 243

Note: Tornado frequency is per 1,000 sq. mi.

#1. Pinellas County, Florida

Tornado Frequency: 7.3 per year
Most Tornadoes in a Year: 13 (in 1992)
Total Adjusted Damages: $308.3 million
Total Deaths: 11
Total Injuries: 310

Note: Tornado frequency is per 1,000 sq. mi.

Tornado Frequency in the US

Research Tornado Danger in Your County on WeatherDB

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