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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				Mean Sea-Surface Temperature															Soil Erosion
	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	-2.0 to 0.0	0.0 to 1.9	2.0 to 3.9	4.0 to 5.9	6.0 to 7.9	8.0 to 9.9	10.0 to 11.9	12.0 to 13.9	14.0 to 15.9	18.0 to 19.9	20.0 to 21.9	22.0 to 23.9	24.0 to 25.9	26.0 to 27.9	28.0 to 29.9	Wind erosion	Water erosion
New Hampshire	2
Vermont	1
South Carolina	46	15	1
Alaska					0.243%			0.756%	0.368%
Northwest Territories					0.540%
Florida	31	6												0.797%	0.110%	0.317%	0.665%
Rhode Island								4.89%
Nunavut					2.12%
Maine									0.534%
Nova Scotia						1.84%	0.489%	0.275%	0.472%
Delaware	3								1.06%
Prince Edward Island						5.18%
North Carolina	54	12									0.239%	0.183%		0.286%
New Brunswick						0.647%			0.219%
British Columbia	1								1.06%
Newfoundland and Labrador					1.04%	0.607%
New Jersey	2	1						0.163%	1.14%
Connecticut								0.194%
Massachusetts	2	1						1.32%	2.66%						0.220%
Georgia	90	31	4											0.230%
New York	17	1						0.265%	0.344%
Québec	30	1			0.165%
Arizona	5	1																		4.22%
Utah	2																			0.308%
Idaho	1																				3.94%
Washington	1									0.825%											36.9%
Wyoming	15	3																		6.47%	2.84%
Montana	8	4																		17.8%
North Dakota	38	6	5																	95.1%	0.109%
Kentucky	87	26	2																		5.48%
Virginia	28	8							0.725%												7.05%
Saskatchewan	7																			12.1%
Mississippi	162	45	7	2																	21.9%
West Virginia	4																				11.5%
Nebraska	67	13	7																	0.826%	52.2%
Texas	193	46	7											0.214%						23.3%	0.427%
Missouri	95	36	7	1																	60.6%
Louisiana	93	15	2											1.00%							1.69%
Hawaii																	10.0%	0.778%	4.46%		57.1%
Oregon	2																				5.56%
Alabama	149	34	13	2										0.114%							7.26%
New Mexico	7																			67.8%
Kansas	82	56	10	1																12.3%	62.5%
Wisconsin	32	11					0.545%														43.5%
Michigan	20	3					1.89%														1.12%
Alberta	9																			4.93%
Pennsylvania	31	3																			25.9%
Colorado	25	3																		30.2%	6.74%
Nevada																				11.8%
Maryland	8		1						2.09%												5.23%
Manitoba	5	4	1	1																6.10%
Oklahoma	104	29	8	2																29.4%	17.9%
Tennessee	82	27	8																		12.6%
Ontario	46	1					0.375%														2.00%
California	3											0.120%	0.206%							19.7%	24.3%
Arkansas	105	23	4																		4.12%
South Dakota	47	7	4																	48.9%	18.4%
Ohio	42	7	3																		4.56%
Indiana	58	18	1																		12.0%
Minnesota	60	11	4																	9.96%	35.6%
Iowa	86	17	4	1																	100%
Illinois	108	21	6																		84.6%

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