Tornado Alley States

Average Annual Tornados
Average Annual Tornados
1.TexasTexas155
2.KansasKansas96
3.FloridaFlorida66
4.OklahomaOklahoma62
5.NebraskaNebraska57
6.IllinoisIllinois54
7.ColoradoColorado53
8.IowaIowa51
9.MinnesotaMinnesota45
10.MissouriMissouri45
11.AlabamaAlabama44
12.MississippiMississippi43
13.ArkansasArkansas39
14.LouisianaLouisiana37
15.South DakotaSouth Dakota36
16.North DakotaNorth Dakota32
17.North CarolinaNorth Carolina31
18.GeorgiaGeorgia30
19.South CarolinaSouth Carolina27
20.TennesseeTennessee26
21.WisconsinWisconsin24
22.IndianaIndiana
23.KentuckyKentucky21
24.OhioOhio19
25.VirginiaVirginia18
26.MichiganMichigan16
27.PennsylvaniaPennsylvania16
28.WyomingWyoming12
29.CaliforniaCalifornia11
30.New MexicoNew Mexico11
31.MarylandMaryland10
32.MontanaMontana10
33.New YorkNew York10
34.ArizonaArizona5
35.IdahoIdaho5
36.OregonOregon3
37.UtahUtah3
38.WashingtonWashington3
39.ConnecticutConnecticut2
40.MaineMaine2
41.NevadaNevada2
42.New JerseyNew Jersey2
43.West VirginiaWest Virginia2
44.DelawareDelaware1
45.HawaiiHawaii1
46.MassachusettsMassachusetts1
47.New HampshireNew Hampshire1
48.VermontVermont1
49.AlaskaAlaska0
50.Rhode IslandRhode Island0

Tornado Alley: An Exploration

The concept of "Tornado Alley" has fascinated researchers, meteorologists, and disaster preparedness coordinators since it was first coined by U.S. Air Force meteorologists in 1952. Particularly prevalent in the spring months, this infamous strip of land—central to the United States—is subject to numerous cyclones, often producing violent and destructive tornadoes. While traditionally associated with the Midwestern states of Texas, Oklahoma, Kansas, Nebraska, Indiana, Ohio, Missouri, Iowa, and South Dakota, recent data indicates a gradual shift eastward. The data we've sourced examines the average annual occurrences of tornadoes state-by-state, enabling us to make certain observations about tornado activity across the country. Key findings from the data include:

  • Texas experiences the highest average number of tornadoes annually by a huge margin with 155, thereby reinforcing its reputation as a hub of tornado activity.
  • The states traditionally associated with Tornado Alley, such as Kansas (96.0) and Nebraska (57.0), still experience a high frequency of tornadoes. However, it's notable that Florida, despite not being geographically part of this region, ranks third with an average of 66 tornadoes per year.
  • As anticipated, southern states such as Mississippi (43.0), Arkansas (39.0), and Louisiana (37.0) demonstrate substantial tornado activity. This finding aligns with the observation of an eastward shift in notable tornado activity.
  • Two states, Alaska and Rhode Island, reported no tornadoes, indicating that geographical location and climate of these regions likely render them relatively safe from such weather phenomena.

States with Most Tornados

Based on average annual tornado occurrences, the state with the most number of tornadoes is Texas, with an astounding average of 155 tornadoes per year. This count is significantly higher than the second and third highest states, Kansas and Florida, with averages of 96.0 and 66.0 tornadoes per year, respectively. Oklahoma follows close behind Florida with 62.0 tornadoes annually, validating its inclusion in the characteristically tornado-prone region of Tornado Alley. Other traditionally Tornado Alley states, Nebraska and Iowa, rank fifth and eighth respectively, with Nebraska experiencing an average of 57.0 tornadoes and Iowa, 51.0. Interestingly, Florida, though not geographically part of Tornado Alley, registers the third highest number of average annual tornadoes. This aligns with the recent findings indicating a shift in tornado activity eastward. Another state not traditionally part of the Tornado Alley, Illinois, records an average of 54.0 tornadoes annually, slightly less than Nebraska but significantly higher than Colorado, which averages 53.0 per year. The ninth and tenth positions are held by Minnesota and Missouri, each with an average number of 45.0 tornadoes per year. The top ten states with the highest average annual tornado occurrences are:

  1. Texas - 155.0
  2. Kansas - 96.0
  3. Florida - 66.0
  4. Oklahoma - 62.0
  5. Nebraska - 57.0
  6. Illinois - 54.0
  7. Colorado - 53.0
  8. Iowa - 51.0
  9. Minnesota - 45.0
  10. Missouri - 45.0

By Region

Alabama

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Alabama

Metric

Value

Rank

Average Annual Tornados

44

#11

Alaska

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Alaska

Metric

Value

Rank

Average Annual Tornados

0

#49

Arizona

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Arizona

Metric

Value

Rank

Average Annual Tornados

5

#34

Arkansas

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Arkansas

Metric

Value

Rank

Average Annual Tornados

39

#13

California

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California

Metric

Value

Rank

Average Annual Tornados

11

#29

Colorado

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Colorado

Metric

Value

Rank

Average Annual Tornados

53

#7

Connecticut

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Connecticut

Metric

Value

Rank

Average Annual Tornados

2

#39

Delaware

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Delaware

Metric

Value

Rank

Average Annual Tornados

1

#44

Florida

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Florida

Metric

Value

Rank

Average Annual Tornados

66

#3

Georgia

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Georgia

Metric

Value

Rank

Average Annual Tornados

30

#18

Hawaii

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Hawaii

Metric

Value

Rank

Average Annual Tornados

1

#45

Idaho

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Idaho

Metric

Value

Rank

Average Annual Tornados

5

#35

Illinois

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Illinois

Metric

Value

Rank

Average Annual Tornados

54

#6

Indiana

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Indiana

Metric

Value

Rank

Average Annual Tornados

22

#22

Iowa

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Iowa

Metric

Value

Rank

Average Annual Tornados

51

#8

Kansas

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Kansas

Metric

Value

Rank

Average Annual Tornados

96

#2

Kentucky

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Kentucky

Metric

Value

Rank

Average Annual Tornados

21

#23

Louisiana

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Louisiana

Metric

Value

Rank

Average Annual Tornados

37

#14

Maine

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Maine

Metric

Value

Rank

Average Annual Tornados

2

#40

Maryland

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Maryland

Metric

Value

Rank

Average Annual Tornados

10

#31

Massachusetts

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Massachusetts

Metric

Value

Rank

Average Annual Tornados

1

#46

Michigan

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Michigan

Metric

Value

Rank

Average Annual Tornados

16

#26

Minnesota

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Minnesota

Metric

Value

Rank

Average Annual Tornados

45

#9

Mississippi

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Mississippi

Metric

Value

Rank

Average Annual Tornados

43

#12

Missouri

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Missouri

Metric

Value

Rank

Average Annual Tornados

45

#10

Montana

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Montana

Metric

Value

Rank

Average Annual Tornados

10

#32

Nebraska

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Nebraska

Metric

Value

Rank

Average Annual Tornados

57

#5

Nevada

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Nevada

Metric

Value

Rank

Average Annual Tornados

2

#41

New Hampshire

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New Hampshire

Metric

Value

Rank

Average Annual Tornados

1

#47

New Jersey

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New Jersey

Metric

Value

Rank

Average Annual Tornados

2

#42

New Mexico

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New Mexico

Metric

Value

Rank

Average Annual Tornados

11

#30

New York

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New York

Metric

Value

Rank

Average Annual Tornados

10

#33

North Carolina

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North Carolina

Metric

Value

Rank

Average Annual Tornados

31

#17

North Dakota

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North Dakota

Metric

Value

Rank

Average Annual Tornados

32

#16

Ohio

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Ohio

Metric

Value

Rank

Average Annual Tornados

19

#24

Oklahoma

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Oklahoma

Metric

Value

Rank

Average Annual Tornados

62

#4

Oregon

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Oregon

Metric

Value

Rank

Average Annual Tornados

3

#36

Pennsylvania

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Pennsylvania

Metric

Value

Rank

Average Annual Tornados

16

#27

Rhode Island

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Rhode Island

Metric

Value

Rank

Average Annual Tornados

0

#50

South Carolina

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South Carolina

Metric

Value

Rank

Average Annual Tornados

27

#19

South Dakota

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South Dakota

Metric

Value

Rank

Average Annual Tornados

36

#15

Tennessee

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Tennessee

Metric

Value

Rank

Average Annual Tornados

26

#20

Texas

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Texas

Metric

Value

Rank

Average Annual Tornados

155

#1

Utah

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Utah

Metric

Value

Rank

Average Annual Tornados

3

#37

Vermont

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Vermont

Metric

Value

Rank

Average Annual Tornados

1

#48

Virginia

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Virginia

Metric

Value

Rank

Average Annual Tornados

18

#25

Washington

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Washington

Metric

Value

Rank

Average Annual Tornados

3

#38

West Virginia

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West Virginia

Metric

Value

Rank

Average Annual Tornados

2

#43

Wisconsin

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Wisconsin

Metric

Value

Rank

Average Annual Tornados

24

#21

Wyoming

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Wyoming

Metric

Value

Rank

Average Annual Tornados

12

#28