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MapMaster 3

Atlas (Beta)
MapMaster 3

High Pressure

North AmericaPhysical Environment

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

NOAA

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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High Pressure

Ocean Bathymetry

Major Territorial Acquisitions (U.S.)

High Pressure

Sea Level to -200

-201 to -2000

-2001 to -3000

-3001 to -4000

-4001 to -5000

Extent of U.S., 1803

Louisiana Purchase, 1803

West Florida, 1810–1813

British Cession, 1818

East Florida, 1819

Northern Maine, 1842

Texas Annexation, 1845

Oregon Country, 1846

Mexican Cession, 1848

Gadsden Purchase, 1853

Alaska, 1867

Hawaii, 1898

Yukon
0.521%
Northwest Territories
5.35%0.496%
Nunavut
13.1%0.925%
Nova Scotia
25.6%
Prince Edward Island
100%
New Brunswick
4.32%
Newfoundland and Labrador
3.93%
Québec
11.33%
Manitoba
0.281%
Ontario
0.732%
Alaska
5.00%0.196%94.5%
Arizona
76.2%23.8%
Utah
100%
District of Columbia
97.6%
Florida
5.18%98.3%
Idaho
99.8%
New Hampshire
99.9%
Rhode Island
12.2%97.7%
Vermont
99.9%
Washington
0.845%99.4%
Wyoming
70.3%4.53%12.4%12.7%
Montana
82.4%17.6%
Maine
1.83%82.4%16.6%
North Dakota
57.6%42.4%
Kentucky
99.9%
Virginia
1.98%99.5%
Delaware
0.467%98.0%
Mississippi
92.2%7.44%
West Virginia
100%
Nebraska
100%
Texas
0.376%99.5%
Missouri
99.7%
Louisiana
2.97%86.4%12.4%
Hawaii
1.62%37.5%4.46%2.11%0.113%91.5%
North Carolina
1.71%99.2%
Oregon
99.8%
Alabama
0.218%95.7%4.16%
New Mexico
57.5%40.3%2.23%
Kansas
91.7%8.26%
Wisconsin
99.8%
British Columbia
13.13%0.166%1.43%
New Jersey
10.6%99.0%
South Carolina
0.154%99.6%
Michigan
99.9%
Connecticut
2.84%99.6%
Pennsylvania
100%
Colorado
41.3%32.3%26.4%
Nevada
99.9%
Massachusetts
10.2%0.220%98.1%
Georgia
99.8%
New York
2.96%99.4%
Maryland
6.45%96.9%
Oklahoma
91.6%8.45%
Tennessee
99.9%
California
1.53%0.275%99.7%
Arkansas
99.8%
South Dakota
99.1%
Ohio
100%
Indiana
100%
Minnesota
33.8%45.1%20.9%
Iowa
99.8%
Illinois
99.7%
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