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 | 81β100 | 71β80 | 61β70 | 51β60 | 41β50 | 31β40 | 21β30 | 11β20 | 6β10 | 2β5 | 1 and below | Class | Rank | Value | 4.50β4.59 pH | 4.60β4.69 pH | 4.70β4.79 pH | 4.80β4.89 pH | 4.90β4.99 pH | 5.00β5.09 pH | 5.10β5.19 pH | 5.20β5.29 pH | β₯5.30 pH | |
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9.02% | 23.9% | 9.48% | 11.8% | 42.4% | 27.6% | 21.7% | 21.0% | 24.2% | 14.9% | 29.2% | 7.65% | 4.29% | 14.4% | 23.8% | 24.2% | 18.5% | 16.1% | 11.6% | 6.63% | 81.6% |
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