MapMaster 3

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				Major Drainage Basins
	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Atlantic Ocean Seaboard	Baja California	California	Churchill	Columbia and Northwestern United States	Fraser	Great Basin	Gulf Coast	Gulf of Mexico, North Atlantic Coast	Hudson Bay Coast	Mackenzie	Mexico, Northwest Coast	Mississippi - Missouri	North America, Colorado	Northwest Territories	Pacific and Arctic Coast	Río Grande - Bravo	Saskatchewan - Nelson	St John	St Lawrence	United States, North Atlantic Coast
Alaska																				98.0%
Arizona	5	1														4.47%		95.5%
Utah	2								0.394%		51.8%							47.8%
Yukon															26.5%					73.4%
Northwest Territories															54.6%				44.0%	0.207%
District of Columbia																									100%
Florida	31	6											98.4%
Idaho	1								95.7%		4.03%						0.316%
New Hampshire	2				99.7%																			0.302%
Rhode Island					92.6%
Vermont	1				42.4%																			53.3%	4.27%
Washington	1								70.9%											27.9%
Wyoming	15	3							5.11%		1.48%						72.4%	21.0%
Nunavut														0.205%					96.5%
Montana	8	4							17.1%								82.4%					0.445%
Maine					75.6%																		23.3%
North Dakota	38	6	5														58.0%					42.0%
Kentucky	87	26	2														100%
Nova Scotia					94.2%
Virginia	28	8											25.9%				17.7%								55.4%
Delaware	3																								97.0%
Prince Edward Island					61.9%
Saskatchewan	7														19.8%		2.89%		31.0%			46.3%
Mississippi	162	45	7	2									50.1%				49.8%
West Virginia	4																84.7%								15.3%
Nebraska	67	13	7														100%
Texas	193	46	7									64.1%					17.3%				18.4%
Missouri	95	36	7	1													100%
Louisiana	93	15	2									5.73%	1.66%				91.0%
North Carolina	54	12											85.7%				12.8%
Oregon	2						6.40%		91.0%		2.50%
New Brunswick					58.6%																		40.2%
Alabama	149	34	13	2									86.2%				13.6%
New Mexico	7											4.48%				7.00%	14.8%	19.5%			54.2%
Kansas	82	56	10	1													100%
Wisconsin	32	11															69.3%							30.7%
British Columbia	1								9.53%	22.5%					31.2%					35.7%
Newfoundland and Labrador					75.3%			22.1%						0.795%
New Jersey	2	1																							97.8%
South Carolina	46	15	1										99.9%
Michigan	20	3																						100%
Alberta	9														66.5%		0.906%		2.66%			29.9%
Connecticut					99.0%																				1.05%
Pennsylvania	31	3															34.4%							1.43%	64.1%
Colorado	25	3															56.1%	36.7%			7.14%
Nevada							3.75%		5.41%		80.0%							10.9%
Massachusetts	2	1			91.1%																				2.45%
Georgia	90	31	4										97.1%				2.66%
New York	17	1			0.410%												4.00%							49.4%	45.5%
Maryland	8		1														4.25%								93.5%
Québec	30	1			7.79%			0.358%						64.3%									0.386%	26.7%
Manitoba	5	4	1	1										17.7%					34.5%			47.7%
Oklahoma	104	29	8	2													100%
Tennessee	82	27	8														99.9%
Ontario	46	1												61.9%								11.8%		26.2%
California	3					0.273%	94.9%		0.130%		1.98%							2.37%
Arkansas	105	23	4														100%
South Dakota	47	7	4														99.2%					0.773%
Ohio	42	7	3														71.3%							28.7%
Indiana	58	18	1														89.5%							10.5%
Minnesota	60	11	4														57.4%					35.3%		7.33%
Iowa	86	17	4	1													100%
Illinois	108	21	6														98.7%							1.31%

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