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MapMaster 3

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

Aquifers: Distribution and Recharge

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

very high (>300)

high (100–300)

medium (20–100)

low (2–20)

very low (<2)

high (100–300)

medium (20–100)

low–very low (<20)

very high–high (>100)

medium–very low (<100)

Alaska
0.243%0.756%0.368%10.9%1.73%69.2%
Arizona
512.82%3.38%7.86%26.1%30.0%
Utah
219.0%13.5%4.33%52.4%8.18%
Yukon
2.68%1.03%94.3%
Northwest Territories
0.540%0.393%14.9%20.5%0.340%
District of Columbia
100%
Florida
3160.797%0.110%0.317%0.665%67.8%3.90%
Idaho
10.187%2.97%8.14%5.84%27.5%16.7%38.6%
New Hampshire
2100%
Rhode Island
4.89%95.4%
Vermont
1100%
Washington
10.825%9.44%21.7%1.72%5.32%11.6%26.7%12.4%
Wyoming
1539.28%70.8%0.149%
Nunavut
2.12%1.56%18.2%
Montana
841.96%56.5%4.73%1.30%
Maine
0.534%99.6%0.281%
North Dakota
386525.0%35.7%38.6%
Kentucky
872624.79%60.6%34.6%
Nova Scotia
1.84%0.489%0.275%0.472%25.1%6.85%
Virginia
2880.725%25.5%28.7%45.7%
Delaware
31.06%97.7%1.87%
Prince Edward Island
5.18%98.8%
Saskatchewan
77.13%4.36%15.3%6.27%23.7%
Mississippi
162457280.4%0.601%11.5%
West Virginia
499.3%0.714%
Nebraska
6713745.3%37.3%4.89%3.30%
Texas
1934670.214%15.3%1.57%15.4%1.38%14.5%1.86%6.12%
Missouri
9536715.80%47.7%11.5%24.4%9.83%
Louisiana
931521.00%99.6%
Hawaii
10.0%0.778%4.46%7.83%2.03%
North Carolina
54120.239%0.183%0.286%38.6%0.266%54.6%
Oregon
24.58%2.26%3.46%4.92%49.2%17.6%0.416%
New Brunswick
0.647%0.219%0.131%55.2%0.167%
Alabama
149341320.114%52.2%32.1%10.6%
New Mexico
79.01%8.20%2.38%17.5%42.2%
Kansas
825610113.6%26.2%18.1%41.9%
Wisconsin
32110.545%42.1%16.2%35.1%
British Columbia
11.06%0.939%8.63%3.82%42.0%15.4%
Newfoundland and Labrador
1.04%0.607%63.0%10.9%
New Jersey
210.163%1.14%62.4%37.3%
South Carolina
4615162.7%37.3%
Michigan
2031.89%26.5%66.0%
Alberta
911.4%3.76%18.2%32.1%8.32%2.17%3.59%
Connecticut
0.194%99.9%
Pennsylvania
3131.35%83.5%10.2%
Colorado
2533.69%14.3%3.67%9.04%16.4%46.7%
Nevada
0.846%77.8%0.958%0.158%10.3%
Massachusetts
211.32%2.66%0.220%0.204%98.0%
Georgia
903140.230%50.4%4.39%36.4%
New York
1710.265%0.344%2.89%5.91%91.1%
Maryland
812.09%64.7%13.9%20.7%
Québec
3010.165%0.272%70.7%19.6%
Manitoba
54111.61%4.56%6.78%4.33%51.3%
Oklahoma
10429829.60%2.65%7.80%23.7%54.6%
Tennessee
8227821.5%71.6%3.39%
Ontario
4610.375%13.7%8.23%4.40%59.7%1.73%
California
30.120%0.206%1.53%8.91%2.60%8.90%3.94%0.295%0.750%14.0%3.26%
Arkansas
10523449.6%14.2%36.2%
South Dakota
47744.24%4.28%9.35%8.75%73.3%
Ohio
427388.6%3.31%
Indiana
5818165.5%0.222%12.0%
Minnesota
601147.33%24.3%29.3%39.1%
Iowa
86174138.7%26.5%11.3%6.08%
Illinois
1082160.557%94.5%0.407%
0.16.0