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Areas of Strong Tornado Occurrence

WorldPhysical Environment

The areas that show the greatest concentration of dots have the highest frequency of tornadoes

A world map shows areas of strong tornado occurrences, marked in red dots. Tornadoes cluster mainly in the eastern region of North America. Other regions include Argentina, parts of Europe, Japan, Bangladesh, Australia, New Zealand, and southern Africa.

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Display by:	Areas of Strong Tornado Occurrence				Major Iron-Producing Areas in North America	Average Number of Tornado Incidences per Year (U.S.)					Milk Cows
	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Major Iron-Producing Areas in North America	Less than 1	1–5	6–10	11–15	More than 15	Class	Rank	Cows
District of Columbia							100%
Alabama	149	34	13	2	1.64%		69.5%	16.4%	14.0%			57	2000.00
Alaska						99.8%						60	200.000
Alberta	9											25	81000.0
Arizona	5	1				92.2%	7.76%					16	195000
Arkansas	105	23	4					87.2%	12.8%			55	4000.00
British Columbia	1					2.52%						26	80500.0
California	3					99.9%						1	1.72500e+6
Colorado	25	3				69.4%	30.6%					15	203000
Connecticut							99.9%					41	18500.0
Delaware	3						99.2%					56	2600.00
Florida	31	6					64.2%	35.5%				23	92000.0
Georgia	90	31	4				61.5%	38.5%				24	92000.0
Hawaii						92.1%						58	600.000
Idaho	1					100%						3	661000
Illinois	108	21	6				70.3%	29.6%				27	79000.0
Indiana	58	18	1				62.9%	37.1%				17	187000
Iowa	86	17	4	1			50.0%	50.0%				14	240000
Kansas	82	56	10	1			68.1%	31.5%				19	175000
Kentucky	87	26	2			4.42%	60.5%	35.1%				31	45000.0
Louisiana	93	15	2				30.4%	69.5%				50	8000.00
Maine						40.0%	59.8%					39	25000.0
Manitoba	5	4	1	1								32	43600.0
Maryland	8		1				99.3%					33	40000.0
Massachusetts	2	1					99.5%					47	9000.00
Michigan	20	3			3.89%	34.8%	64.8%					8	432000
Minnesota	60	11	4		1.15%	23.4%	72.5%	4.03%				7	455000
Mississippi	162	45	7	2			10.9%	74.0%	15.1%			51	6000.00
Missouri	95	36	7	1			23.4%	62.5%	14.1%			29	65000.0
Montana	8	4				100%						46	10000.0
Nebraska	67	13	7				88.6%	11.4%				30	57000.0
Nevada						100%						36	33000.0
New Brunswick												42	15900.0
New Hampshire	2					1.24%	98.7%					45	10000.0
New Jersey	2	1				19.5%	80.3%					54	4100.00
New Mexico	7					90.2%	9.71%					11	279000
New York	17	1			4.91%	61.6%	38.3%					5	630000
Newfoundland and Labrador												52	5100.00
North Carolina	54	12					99.9%					35	39000.0
North Dakota	38	6	5			29.5%	70.5%					43	14000.0
Northwest Territories												63	0.00000
Nova Scotia												40	21100.0
Nunavut												62	0.00000
Ohio	42	7	3			3.97%	96.0%					13	250000
Oklahoma	104	29	8	2			3.41%	35.1%	46.0%	15.5%		34	39000.0
Ontario	46	1										10	326800
Oregon	2					100%						20	123000
Pennsylvania	31	3			1.67%	6.15%	93.9%					6	465000
Prince Edward Island												44	12700.0
Québec	30	1										9	353000
Rhode Island							99.3%					59	500.000
Saskatchewan	7											37	28800.0
South Carolina	46	15	1				99.9%					48	9000.00
South Dakota	47	7	4			22.1%	76.0%	1.85%				18	187000
Tennessee	82	27	8				41.3%	58.7%				38	26000.0
Texas	193	46	7			16.8%	43.9%	36.9%		2.38%		4	650000
Utah	2					100%						22	92000.0
Vermont	1					77.1%	22.6%					21	118000
Virginia	28	8				10.3%	89.6%					28	67000.0
Washington	1					99.9%						12	254000
West Virginia	4					48.2%	51.8%					53	5000.00
Wisconsin	32	11				13.1%	53.1%	33.7%				2	1.27000e+6
Wyoming	15	3				87.7%	12.3%					49	9000.00
Yukon												61	0.00000

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