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Thunderstorm Occurrence

North AmericaPhysical Environment

Thunderstorm occurrence in North America

NOAA

Thunderstorms per year in North America: The highest occurrence region (light brown), includes Texas, Oklahoma, and Kansas. Western U.S.(California, Nevada), and northern Canada (Yukon, Northwest Territories), have the lowest occurrences (black).

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Thunderstorm Occurrence

Average Annual Snowfall

World Administration Divisions: Fills

100 and above

81–100

71–80

61–70

51–60

41–50

31–40

21–30

11–20

6–10

2–5

1 and below

160 in and over

110–159 in

60–109 in

30–59 in

15–29 in

Under 15 in

Alabama, United States of America

Alaska, United States of America

Alberta, Canada

Arizona, United States of America

Arkansas, United States of America

British Columbia, Canada

California, United States of America

Colorado, United States of America

Connecticut, United States of America

Delaware, United States of America

District of Columbia, United States of America

Florida, United States of America

Georgia, United States of America

Hawaii, United States of America

Idaho, United States of America

Illinois, United States of America

Indiana, United States of America

Iowa, United States of America

Kansas, United States of America

Kentucky, United States of America

Kiribati, Kiribati

Louisiana, United States of America

Maine, United States of America

Manitoba, Canada

Marquesas Islands, French Polynesia

Maryland, United States of America

Massachusetts, United States of America

Michigan, United States of America

Minnesota, United States of America

Mississippi, United States of America

Missouri, United States of America

Montana, United States of America

Nebraska, United States of America

Nevada, United States of America

New Brunswick, Canada

New Hampshire, United States of America

New Jersey, United States of America

New Mexico, United States of America

New York, United States of America

Newfoundland and Labrador, Canada

North Carolina, United States of America

North Dakota, United States of America

Northwest Territories, Canada

Nova Scotia, Canada

Nunavut, Canada

Ohio, United States of America

Oklahoma, United States of America

Ontario, Canada

Oregon, United States of America

Pennsylvania, United States of America

Prince Edward Island, Canada

Québec, Canada

Rhode Island, United States of America

Saskatchewan, Canada

South Carolina, United States of America

South Dakota, United States of America

Tennessee, United States of America

Texas, United States of America

Utah, United States of America

Vermont, United States of America

Virginia, United States of America

Washington, United States of America

West Virginia, United States of America

Wisconsin, United States of America

Wyoming, United States of America

Yukon, Canada

Alaska
7.66%55.2%19.9%1.37%9.46%49.7%6.89%99.1%
Arizona
8.64%10.8%6.36%10.3%8.92%4.76%19.7%80.1%99.9%
Utah
6.90%15.9%5.97%3.97%40.0%27.9%25.0%100%
Yukon
7.00%59.8%26.1%7.10%6.60%27.0%1.28%39.2%0.104%99.9%
Northwest Territories
5.77%26.0%42.2%3.09%2.52%8.57%66.7%3.09%99.5%
District of Columbia
100%100%91.4%7.10%
Florida
9.02%56.6%20.8%3.46%99.4%98.2%0.111%
Idaho
5.95%12.1%9.81%31.7%4.80%1.86%68.1%1.76%99.8%0.114%
New Hampshire
94.4%5.56%47.6%52.4%0.104%99.5%0.281%
Rhode Island
3.91%3.82%0.437%0.405%97.1%
Vermont
100%87.5%12.5%0.304%0.226%0.122%99.3%
Washington
1.35%57.1%1.44%7.48%30.0%25.7%7.10%19.9%0.109%0.144%99.2%
Wyoming
5.38%5.86%13.2%48.2%50.6%0.190%0.160%99.6%
Nunavut
1.70%21.4%1.54%1.25%8.66%3.24%2.55%97.9%
Montana
1.73%42.7%23.7%7.99%1.78%37.5%50.0%8.90%99.7%0.167%
Maine
79.8%14.7%5.13%8.65%87.1%3.81%99.1%0.120%0.159%
North Dakota
95.7%4.33%38.9%61.1%99.9%
Kentucky
41.2%58.8%30.8%69.2%0.233%99.4%0.161%
Nova Scotia
19.0%8.02%19.0%97.2%
Virginia
5.25%53.9%38.5%2.22%64.7%35.2%0.104%98.7%0.207%
Delaware
99.2%5.45%93.8%95.3%1.46%0.233%
Prince Edward Island
98.5%98.8%93.5%
Saskatchewan
18.8%50.7%20.5%95.9%1.98%100%
Mississippi
13.6%19.8%65.6%100%0.195%0.166%99.5%
West Virginia
97.0%3.04%57.4%42.6%0.153%0.277%0.266%99.2%
Nebraska
38.0%62.0%39.2%60.8%99.8%0.105%
Texas
1.43%21.8%34.0%42.5%99.8%99.6%
Missouri
100%76.8%23.2%0.216%0.565%99.0%
Louisiana
2.08%60.9%36.6%99.6%98.8%0.168%
Hawaii
10.4%90.3%2.03%4.13%
North Carolina
16.4%81.1%2.09%99.0%98.1%0.982%
Oregon
7.84%63.3%28.9%9.17%6.14%26.6%1.05%18.6%99.8%
New Brunswick
31.5%64.2%2.38%50.9%48.6%0.159%98.9%0.141%
Alabama
14.4%11.5%12.9%58.4%100%99.4%0.332%
New Mexico
3.65%6.22%12.8%2.01%14.3%8.69%12.8%21.6%56.9%99.9%
Kansas
100%76.2%23.8%100%
Wisconsin
19.7%79.8%3.31%96.1%0.116%99.8%
British Columbia
1.59%35.7%19.7%2.10%1.49%2.94%2.84%9.04%1.50%2.43%96.8%
Newfoundland and Labrador
2.13%3.18%1.22%1.25%10.4%8.92%97.5%0.463%
New Jersey
28.5%71.2%45.8%53.6%98.5%0.325%
South Carolina
1.10%75.7%23.2%99.9%0.268%99.3%
Michigan
4.25%65.7%11.8%13.1%57.5%99.9%
Alberta
2.96%41.2%52.3%4.59%15.5%78.2%1.72%99.9%
Connecticut
99.9%99.9%99.3%0.323%
Pennsylvania
14.0%81.5%4.50%4.01%95.7%99.8%
Colorado
13.8%53.9%10.3%3.14%30.9%47.9%20.2%1.04%99.5%0.299%0.117%
Nevada
13.2%33.3%53.5%7.06%22.8%22.5%39.6%99.9%
Massachusetts
91.5%6.67%98.2%97.1%0.162%0.501%
Georgia
2.02%11.8%34.0%52.1%99.9%0.195%99.2%0.172%
New York
42.9%2.90%3.86%64.9%2.90%99.4%
Maryland
11.3%16.7%71.1%16.2%83.0%0.221%96.0%0.234%0.321%
Québec
9.73%2.25%18.5%22.7%14.4%12.6%33.5%46.1%3.40%0.556%99.1%
Manitoba
3.86%21.7%27.1%47.3%52.6%46.9%99.9%
Oklahoma
94.0%6.04%99.6%99.9%0.104%
Tennessee
95.3%4.67%8.28%91.7%0.349%0.141%99.4%
Ontario
2.04%56.2%35.4%2.08%9.58%86.3%3.20%99.8%
California
46.0%7.90%27.9%5.57%6.20%14.9%73.0%99.7%
Arkansas
100%100%99.7%0.128%
South Dakota
61.9%38.1%60.2%39.8%99.9%
Ohio
77.5%20.4%2.34%56.3%41.4%0.151%99.6%0.224%
Indiana
1.92%97.6%25.6%72.5%1.94%99.5%0.312%
Minnesota
22.5%75.0%2.49%6.02%92.1%1.85%99.7%0.191%
Iowa
30.7%69.3%47.2%52.8%0.133%99.7%
Illinois
38.2%58.7%3.07%18.2%68.2%13.6%99.5%0.136%0.169%
0.16.0