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 | Areas of serious concern | Areas of some concern | Stable terrain | Nonvegetated land | Adams | Akutan | Aniakchak | Atka | Bachelor | Baker | Belknap | Black Butte Crater Lava Field | Black Peak | Black Rock Desert | Blue Lake Crater | Buzzard Creek | Carrizozo | Chiginagak | Churchill | Cleveland | Crater Lake | Craters of the Moon | Dana | Davis Lake | Diamond Craters | Dotsero | Edgecumbe | Edziza | Fisher | Fourpeaked | Garibaldi | Glacier Peak | Golden Trout Creek | Great Sitkin | Griggs | Haleakala | Hayes | Hell's Half Acre | Hood | Hoodoo Mountain | Hualalai | Iliamna | Imuruk Lake | Indian Heaven | Iskut-Unuk River Cones | Jefferson | Jordan Craters | Kaguyak | Katmai | Kilauea | Kiska | Korovin | Kupreanof | Lassen Volcanic Center | Little Sitkin | Mageik | Makushin | Mammoth Mountain | Markagunt Plateau | Martin | Mauna Kea | Mauna Loa | Meager | Medicine Lake | Mono Lake Volcanic Field | Mono-Inyo Craters | Nazko | Newberry | Novarupta | Okmok | Pavlof | Rainier | Red Hill | Redoubt | Roundtop | Salton Buttes | San Francisco Volcanic Field | Sand Mountain Field | Seguam | Semisopochnoi | Shasta | Shishaldin | Snowy Mountain | Spurr | St. Helens | St. Paul Island | Takawangha | Tanaga | Three Sisters | Trident | Tseax River Cone | Ubehebe Craters | Ugashik-Peulik | Uinkaret Field | Ukinrek Maars | Veniaminof | Vsevidof | Wapi Lava Field | Wells Gray-Clearwater | West Crater | Westdahl | Wrangell | Yantarni | Yellowstone | Yunaska | Zuni-Bandera | |
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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% | 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 | 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 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |