Rank of Cloud-to-Ground Flash Densities
by State from 1997 to 2001


State                    Flashes        Flashes
                            Per Year     Per Square Mile

  1. Florida          1,322,177        23.1
  2. Louisiana         790,043        17.1
  3. Mississippi       737,102        15.5
  4. Alabama          748,304        14.5
  5. S. Carolina       300,371        13.9

  6. Georgia            779,298        13.2
  7. Tennessee         552,975        12.6
  8. Indiana             429,690        11.9
  9. Illinois              647,574        11.5
10. Kentucky          447,771        11.2

11. Oklahoma        743,835        10.6
12. Missouri           703,582        10.1
13. Arkansas          536,659        10.1
14. N. Carolina      470,865          9.5
15. Ohio                379,917          9.2

16. D.C.                       550          8.1
17. Iowa                452,011          8.0
18. Kansas             656,492          8.0
19. W. Virginia      192,173          7.9
20. Virginia           284,610          7.1

21. Maryland           69,330          7.0
22. New Mexico     847,661          7.0
23. Delaware            13,045          6.6
24. Texas             1,684,234          6.4
25. Arizona            647,809          5.7

26. Pennsylvania     243,283          5.4
27. Wisconsin          289,078          5.2
28. Colorado           499,888          4.8
29. Michigan           268,043          2.9
30. New Jersey          34,408          4.5

31. Nebraska           331,293          4.3
32. New York          202,145          4.2
33. Minnesota         326,870          3.9
34. S. Dakota          295,653          3.8
35. N. Dakota         251,766          3.6

36. Connecticut         16,420          3.3
37. Utah                  267,534          3.2
38. Wyoming           300,464          3.1
39. Rhode Is.               2,925          2.7
40. Mass.                   21,629          2.7

41. Vermont               22,413          2.8
42. Montana             337,301          2.3
43. New Hamp.           16,277          1.8
44. Nevada                163,555          1.5
45. Maine                    38,252          1.2

46. Idaho                     83,441          1.0
47. California              83,798          0.5
48. Oregon                  49,858          0.5
49. Washington           20,599          0.3

These cloud-to-ground lightning flashes were measured by the National Lightning Detection Network® (NLDN®).  The NLDN does not cover Alaska or Hawaii.  The NLDN is owned and operated by Vaisala.
Vaisala
2705 E. Medina Road
Tucson, Arizona 85706
(800) 283-4557

Ronald L. Holle
Vaisala, Tucson
1 July 2002
 


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