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Areas of Strong Tornado Occurrence

WorldPhysical Environment

The areas that show the greatest concentration of dots have the highest frequency of tornadoes

Tornado Archive

A world map shows areas of strong tornado occurrences, marked in red dots. Tornadoes cluster mainly in the eastern region of North America. Other regions include Argentina, parts of Europe, Japan, Bangladesh, Australia, New Zealand, and southern Africa.

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Areas of Strong Tornado Occurrence

Mean Sea-Surface Temperature

Major Iron-Producing Areas in North America

Areas of Strong Tornado Occurrence

Areas of Strong Tornado Occurrence

Areas of Strong Tornado Occurrence

Areas of Strong Tornado Occurrence

-2.0 to 0.0

0.0 to 1.9

2.0 to 3.9

4.0 to 5.9

6.0 to 7.9

8.0 to 9.9

10.0 to 11.9

12.0 to 13.9

14.0 to 15.9

18.0 to 19.9

20.0 to 21.9

22.0 to 23.9

24.0 to 25.9

26.0 to 27.9

28.0 to 29.9

Major Iron-Producing Areas in North America

Arizona
51
Utah
2
Idaho
1
New Hampshire
2
Vermont
1
Wyoming
153
Montana
84
North Dakota
3865
Kentucky
87262
Saskatchewan
7
Mississippi
1624572
West Virginia
4
Nebraska
67137
Missouri
953671
Oregon
2
New Mexico
7
Kansas
8256101
South Carolina
46151
Alberta
9
Colorado
253
Manitoba
5411
Oklahoma
1042982
Tennessee
82278
Arkansas
105234
South Dakota
4774
Ohio
4273
Indiana
58181
Iowa
861741
Illinois
108216
Alaska
0.243%0.756%0.368%
Northwest Territories
0.540%
Florida
3160.797%0.110%0.317%0.665%
Rhode Island
4.89%
Washington
10.825%
Nunavut
2.12%
Maine
0.534%
Nova Scotia
1.84%0.489%0.275%0.472%
Virginia
2880.725%
Delaware
31.06%
Prince Edward Island
5.18%
Texas
1934670.214%
Louisiana
931521.00%
Hawaii
10.0%0.778%4.46%
North Carolina
54120.239%0.183%0.286%
New Brunswick
0.647%0.219%
Wisconsin
32110.545%
British Columbia
11.06%
Newfoundland and Labrador
1.04%0.607%
New Jersey
210.163%1.14%
Connecticut
0.194%
Massachusetts
211.32%2.66%0.220%
Georgia
903140.230%
Maryland
812.09%
Québec
3010.165%
Ontario
4610.375%
California
30.120%0.206%
Alabama
149341320.114%1.64%
Michigan
2031.89%3.89%
Pennsylvania
3131.67%
New York
1710.265%0.344%4.91%
Minnesota
601141.15%
0.16.0