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Average Number of Tornado Incidences per Year (U.S.)

North AmericaPhysical Environment

Tornado prevalence in the United States per 1,000 square miles per year

A map shows average tornado incidences per year in the U.S. The highest incidences (dark brown) are in Oklahoma, parts of Texas, Kansas, and Missouri. The lowest incidences (light yellow) are in Alaska, Washington, Oregon, and California.

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Display by:	Average Number of Tornado Incidences per Year (U.S.)					HIV (U.S.)
	Less than 1	1–5	6–10	11–15	More than 15	Class	Rank	Infections per 100,000 people
British Columbia	2.52%
Alabama		69.5%	16.4%	14.0%		Clicking on the button will update the content.	17	342
Alaska	99.8%					Clicking on the button will update the content.	44	122
Arizona	92.2%	7.76%				Clicking on the button will update the content.	23	283
Arkansas			87.2%	12.8%		Clicking on the button will update the content.	27	239
California	99.9%					Clicking on the button will update the content.	10	406
Colorado	69.4%	30.6%				Clicking on the button will update the content.	24	269
Connecticut		99.9%				Clicking on the button will update the content.	16	345
Delaware		99.2%				Clicking on the button will update the content.	9	409
District of Columbia		100%				Clicking on the button will update the content.	1	2,260
Florida		64.2%	35.5%			Clicking on the button will update the content.	5	613
Georgia		61.5%	38.5%			Clicking on the button will update the content.	4	644
Hawaii	92.1%					Clicking on the button will update the content.	33	200
Idaho	100%					Clicking on the button will update the content.	48	83.8
Illinois		70.3%	29.6%			Clicking on the button will update the content.	18	337
Indiana		62.9%	37.1%			Clicking on the button will update the content.	30	211
Iowa		50.0%	50.0%			Clicking on the button will update the content.	46	111
Kansas		68.1%	31.5%			Clicking on the button will update the content.	39	139
Kentucky	4.42%	60.5%	35.1%			Clicking on the button will update the content.	31	210
Louisiana		30.4%	69.5%			Clicking on the button will update the content.	6	553
Maine	40.0%	59.8%				Clicking on the button will update the content.	38	141
Maryland		99.3%				Clicking on the button will update the content.	3	655
Massachusetts		99.5%				Clicking on the button will update the content.	15	354
Michigan	34.8%	64.8%				Clicking on the button will update the content.	35	199
Minnesota	23.4%	72.5%	4.03%			Clicking on the button will update the content.	36	190
Mississippi		10.9%	74.0%	15.1%		Clicking on the button will update the content.	13	392
Missouri		23.4%	62.5%	14.1%		Clicking on the button will update the content.	25	249
Montana	100%					Clicking on the button will update the content.	50	75
Nebraska		88.6%	11.4%			Clicking on the button will update the content.	37	146
Nevada	100%					Clicking on the button will update the content.	8	419
New Hampshire	1.24%	98.7%				Clicking on the button will update the content.	45	112
New Jersey	19.5%	80.3%				Clicking on the button will update the content.	7	468
New Mexico	90.2%	9.71%				Clicking on the button will update the content.	28	222
New York	61.6%	38.3%				Clicking on the button will update the content.	2	762
North Carolina		99.9%				Clicking on the button will update the content.	14	374
North Dakota	29.5%	70.5%				Clicking on the button will update the content.	49	83.4
Ohio	3.97%	96.0%				Clicking on the button will update the content.	26	240
Oklahoma		3.41%	35.1%	46.0%	15.5%	Clicking on the button will update the content.	34	200
Oregon	100%					Clicking on the button will update the content.	32	202
Pennsylvania	6.15%	93.9%				Clicking on the button will update the content.	19	335
Rhode Island		99.3%				Clicking on the button will update the content.	22	292
South Carolina		99.9%				Clicking on the button will update the content.	12	405
South Dakota	22.1%	76.0%	1.85%			Clicking on the button will update the content.	47	94.4
Tennessee		41.3%	58.7%			Clicking on the button will update the content.	21	314
Texas	16.8%	43.9%	36.9%		2.38%	Clicking on the button will update the content.	11	405
Utah	100%					Clicking on the button will update the content.	43	126
Vermont	77.1%	22.6%				Clicking on the button will update the content.	42	133
Virginia	10.3%	89.6%				Clicking on the button will update the content.	20	331
Washington	99.9%					Clicking on the button will update the content.	29	220
West Virginia	48.2%	51.8%				Clicking on the button will update the content.	40	136
Wisconsin	13.1%	53.1%	33.7%			Clicking on the button will update the content.	41	134
Wyoming	87.7%	12.3%				Clicking on the button will update the content.	51	73

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