Thunderstorm Occurrence
North AmericaPhysical EnvironmentThunderstorm occurrence in North America
NOAAThunderstorms 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).
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 | Value | Class | Rank | People | Value | Akron | Boston | Chicago | Dallas | Detroit | Hamilton | Hollywood | Kansas City | Los Angles | Ottawa | Philadelphia | Pittsburg | Quebec | San Francisco (Silicon Valley) | Sarnia | Seattle | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9.02% | 23.9% | 9.48% | 11.8% | 42.4% | 27.6% | 21.7% | 21.0% | 24.2% | 14.9% | 29.2% | 7.65% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||||||
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