Local Data Search
A total of 99 results found. Show Results on Map.
| Rank | Tornado Index ▼ | County / Population |
| 1. | 331.03 | Story, IA / 91,939 |
| 2. | 308.77 | Polk, IA / 445,136 |
| 3. | 302.24 | Hardin, IA / 17,406 |
| 4. | 299.54 | Marshall, IA / 40,922 |
| 5. | 296.58 | Hamilton, IA / 15,363 |
| 6. | 295.35 | Black Hawk, IA / 131,947 |
| 7. | 281.79 | Grundy, IA / 12,403 |
| 8. | 276.78 | Boone, IA / 26,326 |
| 9. | 276.66 | Linn, IA / 214,927 |
| 10. | 272.95 | Tama, IA / 17,568 |
| 11. | 271.49 | Page, IA / 15,737 |
| 12. | 270.77 | Jasper, IA / 36,715 |
| 13. | 269.65 | Taylor, IA / 6,225 |
| 14. | 268.68 | Dallas, IA / 72,124 |
| 15. | 267.81 | Mitchell, IA / 10,744 |
| 16. | 266.59 | Benton, IA / 25,895 |
| 17. | 266.11 | Butler, IA / 14,966 |
| 18. | 263.59 | Worth, IA / 7,567 |
| 19. | 262.84 | Cedar, IA / 18,434 |
| 20. | 259.24 | Adams, IA / 3,937 |
| 21. | 256.49 | Bremer, IA / 24,481 |
| 22. | 256.25 | Floyd, IA / 16,153 |
| 23. | 255.73 | Warren, IA / 47,058 |
| 24. | 254.84 | Webster, IA / 37,399 |
| 25. | 254.81 | Montgomery, IA / 10,549 |
| 26. | 254.05 | Cerro Gordo, IA / 43,707 |
| 27. | 253.74 | Muscatine, IA / 42,857 |
| 28. | 252.52 | Madison, IA / 15,629 |
| 29. | 252.41 | Buchanan, IA / 20,947 |
| 30. | 251.88 | Union, IA / 12,554 |
| 31. | 251.88 | Johnson, IA / 136,802 |
| 32. | 250.85 | Wright, IA / 13,007 |
| 33. | 248.78 | Chickasaw, IA / 12,329 |
| 34. | 247.65 | Franklin, IA / 10,572 |
| 35. | 247.08 | Fremont, IA / 7,200 |
| 36. | 244.99 | Poweshiek, IA / 18,765 |
| 37. | 243.23 | Winnebago, IA / 10,645 |
| 38. | 242.95 | Greene, IA / 9,232 |
| 39. | 241.27 | Delaware, IA / 17,578 |
| 40. | 240.50 | Adair, IA / 7,543 |
| 41. | 240.49 | Ringgold, IA / 5,082 |
| 42. | 239.23 | Hancock, IA / 11,175 |
| 43. | 238.60 | Washington, IA / 21,906 |
| 44. | 237.47 | Scott, IA / 168,714 |
| 45. | 237.40 | Iowa, IA / 16,316 |
| 46. | 235.08 | Jones, IA / 20,607 |
| 47. | 232.73 | Louisa, IA / 11,305 |
| 48. | 232.52 | Fayette, IA / 20,693 |
| 49. | 230.13 | Humboldt, IA / 9,731 |
| 50. | 228.88 | Mills, IA / 14,946 |
| 51. | 226.70 | Cass, IA / 13,694 |
| 52. | 225.94 | Marion, IA / 33,308 |
| 53. | 223.67 | Howard, IA / 9,529 |
| 54. | 219.44 | Mahaska, IA / 22,420 |
| 55. | 219.09 | Sioux, IA / 34,261 |
| 56. | 219.04 | Lyon, IA / 11,680 |
| 57. | 215.45 | Keokuk, IA / 10,361 |
| 58. | 215.31 | Pottawattamie, IA / 93,153 |
| 59. | 214.53 | Decatur, IA / 8,286 |
| 60. | 213.98 | Clay, IA / 16,555 |
| 61. | 213.03 | Jefferson, IA / 17,102 |
| 62. | 212.70 | Calhoun, IA / 9,980 |
| 63. | 211.72 | Lucas, IA / 8,785 |
| 64. | 210.99 | Henry, IA / 20,197 |
| 65. | 209.98 | Plymouth, IA / 24,899 |
| 66. | 209.81 | Pocahontas, IA / 7,191 |
| 67. | 208.16 | Clinton, IA / 48,663 |
| 68. | 206.65 | Wayne, IA / 6,385 |
| 69. | 204.06 | Des Moines, IA / 40,265 |
| 70. | 203.96 | Guthrie, IA / 10,794 |
| 71. | 203.66 | Obrien, IA / 14,173 |
| 72. | 203.59 | Wapello, IA / 35,406 |
| 73. | 203.59 | Kossuth, IA / 15,347 |
| 74. | 201.37 | Palo Alto, IA / 9,263 |
| 75. | 200.78 | Dickinson, IA / 16,877 |
| 76. | 197.83 | Dubuque, IA / 95,166 |
| 77. | 197.32 | Cherokee, IA / 11,982 |
| 78. | 197.05 | Woodbury, IA / 102,372 |
| 79. | 187.35 | Jackson, IA / 19,656 |
| 80. | 186.40 | Davis, IA / 8,765 |
| 81. | 186.38 | Harrison, IA / 14,600 |
| 82. | 184.77 | Shelby, IA / 12,034 |
| 83. | 184.34 | Emmet, IA / 10,068 |
| 84. | 184.20 | Buena Vista, IA / 20,460 |
| 85. | 184.16 | Carroll, IA / 20,702 |
| 86. | 181.39 | Van Buren, IA / 7,487 |
| 87. | 179.50 | Lee, IA / 35,552 |
| 88. | 178.38 | Clayton, IA / 17,900 |
| 89. | 177.82 | Appanoose, IA / 12,754 |
| 90. | 173.28 | Audubon, IA / 5,935 |
| 91. | 172.95 | Winneshiek, IA / 20,957 |
| 92. | 172.71 | Sac, IA / 10,162 |
| 93. | 172.21 | Crawford, IA / 17,259 |
| 94. | 167.85 | Monona, IA / 9,149 |
| 95. | 158.42 | Ida, IA / 7,085 |
| 96. | 116.05 | Allamakee, IA / 14,152 |
| 97. | 0.00 | Clarke, IA / 9,284 |
| 97. | 0.00 | Monroe, IA / 8,019 |
| 97. | 0.00 | Osceola, IA / 6,279 |
Please note that we only rank locations with 'Tornado Index' data. The rank above might not be a complete list. Locations without 'Tornado Index' data are not listed.