High Pressure
North AmericaPhysical EnvironmentA region where atmospheric pressure at the surface is greater than surrounding areas
NOAAA map highlights the high-pressure regions in North America with a letter H enclosed in a circle. Near Columbia Kootenay Mountain and, near Ottawa.
High Pressure | Tropical rain forest (Af) | Tropical monsoon (Am) | Tropical savanna (Aw) | Tropical, subtropical hot desert (BWh) | Midlatitude cold desert (BWk) | Tropical, subtropical hot steppe (BSh) | Midlatitude cold steppe (BSk) | Humid subtropical moist all year, hot summer (Cfa) | Marine West Coast (Cfb, Cfc) | Mediterranean (Csa, Csb) | Humid continental, hot summers (Dfa, Dwa, Dsa) | Humid continental, mild summers (Dfb, Dwb, Dsb) | Subarctic, cool summer (Dfc, Dwc, Dsc) | Tundra (ET) | Herder's Environment | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
District of Columbia | 100% | |||||||||||||||
Florida | 4.03% | 1.55% | 91.4% | |||||||||||||
New Hampshire | 76.3% | 23.7% | ||||||||||||||
Rhode Island | 13.3% | 69.7% | ||||||||||||||
Vermont | 99.7% | 0.255% | ||||||||||||||
Kentucky | 92.1% | 7.93% | ||||||||||||||
Nova Scotia | 75.7% | |||||||||||||||
Virginia | 80.5% | 3.31% | 4.25% | 9.08% | ||||||||||||
Delaware | 86.7% | 10.3% | ||||||||||||||
Prince Edward Island | 89.3% | |||||||||||||||
Mississippi | 99.8% | |||||||||||||||
West Virginia | 29.5% | 25.5% | 4.76% | |||||||||||||
Louisiana | 97.6% | |||||||||||||||
Hawaii | 6.90% | 5.68% | 2.83% | 0.523% | ||||||||||||
North Carolina | 91.1% | 3.09% | 0.441% | |||||||||||||
Alabama | 100% | |||||||||||||||
Wisconsin | 21.4% | 78.5% | ||||||||||||||
New Jersey | 24.0% | 56.9% | 17.8% | |||||||||||||
South Carolina | 99.3% | 0.150% | ||||||||||||||
Michigan | 16.9% | 83.0% | 0.172% | |||||||||||||
Connecticut | 51.3% | 48.4% | ||||||||||||||
Pennsylvania | 0.122% | 52.0% | 44.8% | |||||||||||||
Massachusetts | 1.16% | 78.7% | ||||||||||||||
Georgia | 99.6% | 0.332% | ||||||||||||||
New York | 2.68% | 93.4% | ||||||||||||||
Maryland | 29.2% | 31.9% | 5.56% | |||||||||||||
Tennessee | 98.2% | 1.29% | 0.470% | |||||||||||||
California | 19.3% | 2.56% | 1.48% | 0.371% | 49.0% | 7.52% | ||||||||||
Arkansas | 100% | |||||||||||||||
Ohio | 3.59% | 81.0% | 15.0% | |||||||||||||
Indiana | 6.32% | 92.9% | 0.816% | |||||||||||||
Illinois | 6.99% | 89.9% | 1.23% | |||||||||||||
Alaska | 0.263% | 0.281% | 82.1% | 11.6% | 0.152% | |||||||||||
Arizona | 23.6% | 2.88% | 10.7% | 39.0% | 0.733% | 5.07% | 20.9% | |||||||||
Utah | 0.588% | 61.0% | 7.26% | 6.12% | 84.5% | |||||||||||
Yukon | 98.1% | 1.84% | 100% | |||||||||||||
Northwest Territories | 0.348% | 72.6% | 0.290% | 0.300% | ||||||||||||
Idaho | 2.91% | 30.2% | 3.27% | 54.9% | 1.18% | 88.8% | ||||||||||
Washington | 5.04% | 1.86% | 1.11% | 24.0% | 43.6% | 0.612% | ||||||||||
Wyoming | 7.26% | 46.3% | 0.567% | 32.4% | 12.0% | 100% | ||||||||||
Nunavut | 11.8% | 17.3% | 0.580% | |||||||||||||
Montana | 57.3% | 38.2% | 1.27% | 100% | ||||||||||||
Maine | 93.3% | 6.03% | 11.9% | |||||||||||||
North Dakota | 10.1% | 1.48% | 86.6% | 33.5% | ||||||||||||
Saskatchewan | 0.467% | 36.8% | 57.3% | 100% | ||||||||||||
Nebraska | 17.7% | 79.4% | 2.90% | 99.5% | ||||||||||||
Texas | 2.54% | 13.8% | 23.0% | 60.1% | 39.6% | |||||||||||
Missouri | 26.4% | 72.3% | 14.4% | |||||||||||||
Oregon | 6.51% | 31.0% | 31.1% | 15.4% | 5.08% | 3.11% | ||||||||||
New Brunswick | 97.3% | 11.5% | ||||||||||||||
New Mexico | 0.730% | 68.2% | 0.895% | 2.27% | 0.265% | 0.661% | 14.3% | 0.207% | 96.3% | |||||||
Kansas | 22.6% | 9.98% | 67.4% | 98.4% | ||||||||||||
British Columbia | 1 | 0.184% | 0.977% | 0.593% | 0.282% | 40.5% | 47.6% | 0.210% | ||||||||
Newfoundland and Labrador | 13.1% | 63.7% | 9.22% | 24.2% | ||||||||||||
Alberta | 3.24% | 63.2% | 13.0% | 100% | ||||||||||||
Colorado | 56.3% | 2.11% | 28.6% | 8.17% | 0.521% | 100% | ||||||||||
Nevada | 8.09% | 6.39% | 39.1% | 0.125% | 1.34% | 0.631% | 1.83% | |||||||||
Québec | 1 | 0.104% | 20.2% | 62.1% | 14.6% | 0.452% | ||||||||||
Manitoba | 33.0% | 66.8% | 99.9% | |||||||||||||
Oklahoma | 9.80% | 90.2% | 48.3% | |||||||||||||
Ontario | 0.290% | 53.6% | 42.8% | 77.4% | ||||||||||||
South Dakota | 41.0% | 41.2% | 15.3% | 27.8% | ||||||||||||
Minnesota | 15.1% | 84.4% | 6.88% | |||||||||||||
Iowa | 96.5% | 0.309% | 29.4% | |||||||||||||
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