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 | Percentage of annual change | Areas of serious concern | Areas of some concern | Stable terrain | Nonvegetated land | Bad Creek Hydroelectric Power Plant SC USA | Bath County Pumped Storage Hydroelecric Power Plant VA USA | Beauharnois Hydroelectric Power Plant Canada | Bersimis-1 Hydroelectric Power Plant Canada | Blenheim Gilboa Pumped Storage Hydroelectric Power Plant NY USA | Bonneville Hydro Power Plant OR USA | Boundary Dam Hydro Power Plant WA USA | Castaic Pumped Storage Hydroelectric Power Plant CA USA | Chief Joseph Hydro Power Plant WA USA | Churchill Falls Hydroelectric Generating Station Canada | G M Shrum (W.A.C. Bennett) Hydroelectric Power Plant Canada | Glen Canyon Dam Hydro Power Plant AZ USA | Grand Coulee Hydro Power Plant WA USA | Helms Pumped Storage Hydroelectric Power Plant CA USA | Hoover Dam Hydro Power Plant AZ/NV USA | John Day Hydro Power Plant OR USA | Kettle Rapids Hydroelectric generating Station Canada | La Grande-1 Hydroelectric Generating Station Canada | La Grande-2-A Hydroelectric Generating Station Canada | La grande-3 Hydroelectric Generating Station Canada | La grande-4 Hydroelectric Generating Station Canada | Limestone Hydroelectric Generating Station Canada | Long Spruce Hydroelectric Geneerating Station Canada | Ludington Hydro Power Plant MI USA | Manic-2 (Jean-Lesage) Hydroelectric Generating Station Canada | Manic-3 (Rene-Levesque) Hydroelectric Generating Station Canada | Manic-5 Hydroelectric Generating Station Canada | Manic-5-PA Hydroelectric generating Station Canada | Mica Creek Hydroelectric Power Plant Canada | Muddy Run Pumped Storage Hydro Power Plant PA USA | Northfield Mountain Pumped Storage Hydro Power Plant MA USA | Outardes-3 Hydroelectric Power Plant Canada | R.H. Saunders Hydroelectric Power Plant Canada | Raccoon Mountain Pumped Storage Hydro Power Plant TN USA | Revelstoke Hydroelectric Power Plant Canada | Robert Moses Niagara Hydro Power Plant NY USA | Robert-Bourassa Hydroelectric Generating Station Canada | Rocky Mountain Pumped Storage Hydro Hydro Power Plant GA USA | Rocky Reach Hydro Power Plant WA USA | Sir Adam Beck II Hydroelectric Generating Station Canada | The Dalles Hydro Power Plant OR USA | Toktogul Hydroelectric Power Plant Kyrgyzstan | Wanapum Hydro Power Plant WA USA | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9.02% | 23.9% | 9.48% | 11.8% | 42.4% | 27.6% | 21.7% | 21.0% | 24.2% | 14.9% | 29.2% | 7.65% | 23.0% | 35.0% | 31.0% | 10.1% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||||