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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												Major Waterfalls and Cataracts																					Manganese Mines	Drug Cultivation and Production Regions
	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	Alexandra Falls	Athabasca Falls	Baileys Chute	Celilo Falls	Cohoes Falls	Cumberland Falls	Great Falls	Kettle Falls	Kootenai Falls	Little Falls	Louise Falls	Marcus Falls	Niagara Falls	Osprey Falls	Rearguard Falls	Sandstone Falls	Sherars Falls	Vermilion Falls	Virginia Falls	Waterloo Falls	Willamette Falls	Manganese Mines	Cannabis cultivation
Alaska										7.66%	55.2%	19.9%
Yukon									7.00%	59.8%	26.1%	7.10%
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%
Nunavut										1.70%	21.4%	1.54%
Maine								79.8%	14.7%	5.13%
North Dakota							95.7%	4.33%
Nova Scotia									19.0%	8.02%
Delaware								99.2%
Prince Edward Island									98.5%
Saskatchewan								18.8%	50.7%	20.5%
Mississippi			13.6%	19.8%	65.6%
Nebraska					38.0%	62.0%
Texas				1.43%	21.8%	34.0%	42.5%
Missouri					100%
New Brunswick								31.5%	64.2%	2.38%
Kansas					100%
Wisconsin						19.7%	79.8%
Newfoundland and Labrador										2.13%	3.18%	1.22%
New Jersey							28.5%	71.2%
Michigan						4.25%	65.7%	11.8%
Connecticut								99.9%
Pennsylvania						14.0%	81.5%	4.50%
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%
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%
Northwest Territories									5.77%	26.0%	42.2%	3.09%	1										1								1
Alberta							2.96%	41.2%	52.3%					1																1
Arizona					8.64%	10.8%	6.36%	10.3%	8.92%	4.76%																								48
Utah						6.90%	15.9%	5.97%																										15
Wyoming					5.38%	5.86%	13.2%																											1
Montana						1.73%	42.7%	23.7%	7.99%												1													24
Louisiana			2.08%	60.9%	36.6%																													1
New Mexico			3.65%	6.22%	12.8%	2.01%	14.3%																											3
Nevada							13.2%	33.3%	53.5%																									2
Massachusetts								91.5%	6.67%																									2
New York							42.9%	2.90%									1																	2
Ontario							2.04%	56.2%	35.4%	2.08%															1									1
Arkansas					100%																													3
Idaho						5.95%	12.1%	9.81%	31.7%																										0.118%
Washington								1.35%	57.1%	1.44%										1															99.1%
Kentucky					41.2%	58.8%												1																	8.38%
Virginia					5.25%	53.9%	38.5%	2.22%											1																24.0%
West Virginia						97.0%	3.04%																					1						2	57.2%
North Carolina					16.4%	81.1%	2.09%																												23.2%
Oregon								7.84%	63.3%	28.9%						1						1							1			1	1	7	99.9%
Alabama		14.4%	11.5%	12.9%	58.4%																														9.56%
British Columbia								1.59%	35.7%	19.7%	2.10%				1									1		1	1								0.743%
South Carolina				1.10%	75.7%	23.2%																												1	11.7%
Colorado				13.8%	53.9%	10.3%	3.14%																											15	99.8%
Georgia		2.02%	11.8%	34.0%	52.1%																													3	32.7%
Tennessee					95.3%	4.67%																												1	25.8%
California									46.0%	7.90%	27.9%																							202	99.6%

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