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Thunderstorm Occurrence

North AmericaPhysical Environment

Thunderstorm occurrence in North America

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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Display by:	Thunderstorm Occurrence												Tectonic Hotspots
	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	Black Butte Crater Lava Field	Black Rock Desert	Buzzard Creek	Carrizozo	Craters of the Moon	Diamond Craters	Dotsero	Fort Selkirk	Haleakala	Hell's Half Acre	Hualalai	Imuruk Lake	Ingakslugwat Hills	Jordan Craters	Kilauea	Markagunt Plateau	Mauna Kea	Mauna Loa	Nazko	Red Hill	San Francisco Volcanic Field	St. Michael	St. Paul Island	Uinkaret Field	Wapi Lava Field	Wells Gray-Clearwater	Yellowstone	Zuni-Bandera
Northwest Territories									5.77%	26.0%	42.2%	3.09%
District of Columbia								100%
Florida	9.02%	56.6%	20.8%	3.46%
New Hampshire								94.4%	5.56%
Rhode Island								3.91%
Vermont								100%
Washington								1.35%	57.1%	1.44%
Nunavut										1.70%	21.4%	1.54%
Montana						1.73%	42.7%	23.7%	7.99%
Maine								79.8%	14.7%	5.13%
North Dakota							95.7%	4.33%
Kentucky					41.2%	58.8%
Nova Scotia									19.0%	8.02%
Virginia					5.25%	53.9%	38.5%	2.22%
Delaware								99.2%
Prince Edward Island									98.5%
Saskatchewan								18.8%	50.7%	20.5%
Mississippi			13.6%	19.8%	65.6%
West Virginia						97.0%	3.04%
Nebraska					38.0%	62.0%
Texas				1.43%	21.8%	34.0%	42.5%
Missouri					100%
Louisiana			2.08%	60.9%	36.6%
North Carolina					16.4%	81.1%	2.09%
New Brunswick								31.5%	64.2%	2.38%
Alabama		14.4%	11.5%	12.9%	58.4%
Kansas					100%
Wisconsin						19.7%	79.8%
Newfoundland and Labrador										2.13%	3.18%	1.22%
New Jersey							28.5%	71.2%
South Carolina				1.10%	75.7%	23.2%
Michigan						4.25%	65.7%	11.8%
Alberta							2.96%	41.2%	52.3%
Connecticut								99.9%
Pennsylvania						14.0%	81.5%	4.50%
Nevada							13.2%	33.3%	53.5%
Massachusetts								91.5%	6.67%
Georgia		2.02%	11.8%	34.0%	52.1%
New York							42.9%	2.90%
Maryland						11.3%	16.7%	71.1%
Québec								9.73%	2.25%	18.5%	22.7%	14.4%
Manitoba							3.86%	21.7%	27.1%	47.3%
Oklahoma					94.0%	6.04%
Tennessee					95.3%	4.67%
Ontario							2.04%	56.2%	35.4%	2.08%
California									46.0%	7.90%	27.9%
Arkansas					100%
South Dakota						61.9%	38.1%
Ohio						77.5%	20.4%
Indiana					1.92%	97.6%
Minnesota						22.5%	75.0%	2.49%
Iowa					30.7%	69.3%
Illinois					38.2%	58.7%	3.07%
Alaska										7.66%	55.2%	19.9%			1									1	1									1	1
Arizona					8.64%	10.8%	6.36%	10.3%	8.92%	4.76%																							1			1
Utah						6.90%	15.9%	5.97%						1														1
Yukon									7.00%	59.8%	26.1%	7.10%								1
Idaho						5.95%	12.1%	9.81%	31.7%				1				1					1															1
Wyoming					5.38%	5.86%	13.2%																																1
Hawaii																					1		1				1		1	1
Oregon								7.84%	63.3%	28.9%								1								1
New Mexico			3.65%	6.22%	12.8%	2.01%	14.3%									1																1								1
British Columbia								1.59%	35.7%	19.7%	2.10%																				1							1
Colorado				13.8%	53.9%	10.3%	3.14%												1

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