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Atlas (Beta)

High Pressure

North AmericaPhysical Environment

A region where atmospheric pressure at the surface is greater than surrounding areas

A map highlights the high-pressure regions in North America with a letter H enclosed in a circle. Near Columbia Kootenay Mountain and, near Ottawa.

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Display by:	High Pressure	Areas of Strong Tornado Occurrence				Aquifers: Distribution and Recharge
	High Pressure	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	very high (>300)	high (100–300)	medium (20–100)	low (2–20)	very low (<2)	high (100–300)	medium (20–100)	low–very low (<20)	very high–high (>100)	medium–very low (<100)
Alaska								10.9%						1.73%	69.2%
Arizona		5	1					2.82%	3.38%	7.86%			26.1%		30.0%
Utah		2						19.0%	13.5%	4.33%			52.4%		8.18%
Yukon													2.68%	1.03%	94.3%
Northwest Territories											0.393%	14.9%	20.5%		0.340%
District of Columbia							100%
Florida		31	6				67.8%				3.90%
Idaho		1						0.187%	2.97%	8.14%	5.84%		27.5%	16.7%	38.6%
New Hampshire		2												100%
Rhode Island														95.4%
Vermont		1												100%
Washington		1				9.44%				21.7%	1.72%	5.32%	11.6%	26.7%	12.4%
Wyoming		15	3						9.28%				70.8%		0.149%
Nunavut													1.56%		18.2%
Montana		8	4									1.96%	56.5%	4.73%	1.30%
Maine														99.6%	0.281%
North Dakota		38	6	5								25.0%	35.7%		38.6%
Kentucky		87	26	2			4.79%				60.6%			34.6%
Nova Scotia											25.1%			6.85%
Virginia		28	8				25.5%				28.7%			45.7%
Delaware		3					97.7%							1.87%
Prince Edward Island											98.8%
Saskatchewan		7									7.13%	4.36%	15.3%	6.27%	23.7%
Mississippi		162	45	7	2		80.4%				0.601%			11.5%
West Virginia		4									99.3%			0.714%
Nebraska		67	13	7				45.3%	37.3%			4.89%			3.30%
Texas		193	46	7			15.3%	1.57%	15.4%			1.38%	14.5%	1.86%	6.12%
Missouri		95	36	7	1		5.80%				47.7%	11.5%		24.4%	9.83%
Louisiana		93	15	2			99.6%
Hawaii											7.83%		2.03%
North Carolina		54	12				38.6%				0.266%			54.6%
Oregon		2				4.58%				2.26%	3.46%	4.92%	49.2%	17.6%	0.416%
New Brunswick											0.131%			55.2%	0.167%
Alabama		149	34	13	2		52.2%				32.1%			10.6%
New Mexico		7							9.01%	8.20%		2.38%	17.5%		42.2%
Kansas		82	56	10	1			13.6%	26.2%					18.1%	41.9%
Wisconsin		32	11								42.1%	16.2%		35.1%
British Columbia	1	1					0.939%				8.63%	3.82%		42.0%	15.4%
Newfoundland and Labrador														63.0%	10.9%
New Jersey		2	1				62.4%				37.3%
South Carolina		46	15	1			62.7%							37.3%
Michigan		20	3								26.5%			66.0%
Alberta		9					11.4%	3.76%			18.2%	32.1%	8.32%	2.17%	3.59%
Connecticut														99.9%
Pennsylvania		31	3				1.35%				83.5%			10.2%
Colorado		25	3					3.69%	14.3%	3.67%		9.04%	16.4%		46.7%
Nevada									0.846%	77.8%			0.958%	0.158%	10.3%
Massachusetts		2	1									0.204%		98.0%
Georgia		90	31	4			50.4%				4.39%			36.4%
New York		17	1				2.89%				5.91%			91.1%
Maryland		8		1			64.7%				13.9%			20.7%
Québec	1	30	1								0.272%			70.7%	19.6%
Manitoba		5	4	1	1						1.61%	4.56%	6.78%	4.33%	51.3%
Oklahoma		104	29	8	2				9.60%		2.65%	7.80%		23.7%	54.6%
Tennessee		82	27	8			21.5%				71.6%			3.39%
Ontario		46	1								13.7%	8.23%	4.40%	59.7%	1.73%
California		3					1.53%	8.91%	2.60%	8.90%	3.94%	0.295%	0.750%	14.0%	3.26%
Arkansas		105	23	4			49.6%				14.2%			36.2%
South Dakota		47	7	4				4.24%	4.28%			9.35%	8.75%		73.3%
Ohio		42	7	3							88.6%			3.31%
Indiana		58	18	1							65.5%	0.222%		12.0%
Minnesota		60	11	4							7.33%	24.3%		29.3%	39.1%
Iowa		86	17	4	1						38.7%	26.5%		11.3%	6.08%
Illinois		108	21	6			0.557%				94.5%	0.407%

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