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Atlas (Beta)

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				British Empire, Early 1920s		World Administration Divisions: Fills
	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Canada	Newfoundland	Alabama, United States of America	Alaska, United States of America	Alberta, Canada	Arizona, United States of America	Arkansas, United States of America	British Columbia, Canada	California, United States of America	Colorado, United States of America	Connecticut, United States of America	Delaware, United States of America	District of Columbia, United States of America	Florida, United States of America	Georgia, United States of America	Hawaii, United States of America	Idaho, United States of America	Illinois, United States of America	Indiana, United States of America	Iowa, United States of America	Kansas, United States of America	Kentucky, United States of America	Kiribati, Kiribati	Louisiana, United States of America	Maine, United States of America	Manitoba, Canada	Marquesas Islands, French Polynesia	Maryland, United States of America	Massachusetts, United States of America	Michigan, United States of America	Minnesota, United States of America	Mississippi, United States of America	Missouri, United States of America	Montana, United States of America	Nebraska, United States of America	Nevada, United States of America	New Brunswick, Canada	New Hampshire, United States of America	New Jersey, United States of America	New Mexico, United States of America	New York, United States of America	Newfoundland and Labrador, Canada	North Carolina, United States of America	North Dakota, United States of America	Northwest Territories, Canada	Nova Scotia, Canada	Nunavut, Canada	Ohio, United States of America	Oklahoma, United States of America	Ontario, Canada	Oregon, United States of America	Pennsylvania, United States of America	Prince Edward Island, Canada	Québec, Canada	Rhode Island, United States of America	Saskatchewan, Canada	South Carolina, United States of America	South Dakota, United States of America	Tennessee, United States of America	Texas, United States of America	Utah, United States of America	Vermont, United States of America	Virginia, United States of America	Washington, United States of America	West Virginia, United States of America	Wisconsin, United States of America	Wyoming, United States of America	Yukon, Canada
Alaska								99.1%
Arizona	5	1								99.9%
Utah	2																																																																100%
Yukon					100%																																												0.104%																							99.9%
Northwest Territories					98.8%																																												99.5%
District of Columbia																	91.4%															7.10%
Florida	31	6																98.2%	0.111%
Idaho	1																				99.8%																	0.114%
New Hampshire	2				0.227%																								0.104%													99.5%																								0.281%
Rhode Island															0.437%																		0.405%																										97.1%
Vermont	1				0.301%																																					0.304%			0.226%													0.122%								99.3%
Washington	1																				0.109%																																		0.144%													99.2%
Wyoming	15	3																																					0.190%																							0.160%									99.6%
Nunavut					97.0%																																														97.9%
Montana	8	4																																				99.7%										0.167%
Maine					0.770%																								99.1%												0.120%																	0.159%
North Dakota	38	6	5																																													99.9%
Kentucky	87	26	2																				0.233%			99.4%																										0.161%
Nova Scotia					93.4%																																													97.2%
Virginia	28	8																								0.104%																																									98.7%		0.207%
Delaware	3															95.3%																1.46%																								0.233%
Prince Edward Island					61.5%																																																				93.5%
Saskatchewan	7				100%																																																							100%
Mississippi	162	45	7	2							0.195%																	0.166%								99.5%
West Virginia	4																															0.153%																				0.277%															0.266%		99.2%
Nebraska	67	13	7																																				99.8%																							0.105%
Texas	193	46	7																																																													99.6%
Missouri	95	36	7	1																		0.216%		0.565%													99.0%
Louisiana	93	15	2																									98.8%								0.168%
Hawaii																				90.3%							2.03%				4.13%
North Carolina	54	12																																													98.1%																				0.982%
Oregon	2																																																						99.8%
New Brunswick					98.3%																								0.159%												98.9%																	0.141%
Alabama	149	34	13	2			99.4%																																																								0.332%
New Mexico	7																																											99.9%
Kansas	82	56	10	1																					100%
Wisconsin	32	11																																	0.116%																																			99.8%
British Columbia	1				99.0%			2.43%				96.8%
Newfoundland and Labrador					1.10%	97.5%																																								97.5%												0.463%
New Jersey	2	1																																									98.5%													0.325%
South Carolina	46	15	1																0.268%																																										99.3%
Michigan	20	3			0.112%																													99.9%
Alberta	9				100%				99.9%
Connecticut															99.3%																		0.323%
Pennsylvania	31	3																																																						99.8%
Colorado	25	3												99.5%											0.299%														0.117%
Nevada																																								99.9%
Massachusetts	2	1																															97.1%									0.162%																	0.501%
Georgia	90	31	4				0.195%												99.2%																																										0.172%
New York	17	1			0.168%																																								99.4%
Maryland	8		1													0.221%																96.0%																																			0.234%		0.321%
Québec	30	1			99.3%	0.194%																																								0.556%												99.1%
Manitoba	5	4	1	1	99.9%																									99.9%
Oklahoma	104	29	8	2																																																	99.9%											0.104%
Tennessee	82	27	8																							0.349%																					0.141%																99.4%
Ontario	46	1			99.9%																																																	99.8%
California	3												99.7%
Arkansas	105	23	4								99.7%																									0.128%
South Dakota	47	7	4																																																											99.9%
Ohio	42	7	3																							0.151%																										99.6%																	0.224%
Indiana	58	18	1																				99.5%			0.312%
Minnesota	60	11	4		0.161%																														99.7%																			0.191%
Iowa	86	17	4	1																		0.133%		99.7%
Illinois	108	21	6																			99.5%				0.136%											0.169%

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