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) | Sea Level to -200 | -201 to -2000 | -2001 to -3000 | -3001 to -4000 | -4001 to -5000 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Arizona | 23.6% | 2.88% | 10.7% | 39.0% | 0.733% | 5.07% | ||||||||||||||
Utah | 0.588% | 61.0% | 7.26% | 6.12% | ||||||||||||||||
District of Columbia | 100% | |||||||||||||||||||
Idaho | 2.91% | 30.2% | 3.27% | 54.9% | 1.18% | |||||||||||||||
New Hampshire | 76.3% | 23.7% | ||||||||||||||||||
Vermont | 99.7% | 0.255% | ||||||||||||||||||
Wyoming | 7.26% | 46.3% | 0.567% | 32.4% | 12.0% | |||||||||||||||
Montana | 57.3% | 38.2% | 1.27% | |||||||||||||||||
North Dakota | 10.1% | 1.48% | 86.6% | |||||||||||||||||
Kentucky | 92.1% | 7.93% | ||||||||||||||||||
Saskatchewan | 0.467% | 36.8% | 57.3% | |||||||||||||||||
Mississippi | 99.8% | |||||||||||||||||||
West Virginia | 29.5% | 25.5% | 4.76% | |||||||||||||||||
Nebraska | 17.7% | 79.4% | 2.90% | |||||||||||||||||
Missouri | 26.4% | 72.3% | ||||||||||||||||||
Oregon | 6.51% | 31.0% | 31.1% | 15.4% | 5.08% | |||||||||||||||
New Mexico | 0.730% | 68.2% | 0.895% | 2.27% | 0.265% | 0.661% | 14.3% | 0.207% | ||||||||||||
Kansas | 22.6% | 9.98% | 67.4% | |||||||||||||||||
Wisconsin | 21.4% | 78.5% | ||||||||||||||||||
Michigan | 16.9% | 83.0% | 0.172% | |||||||||||||||||
Alberta | 3.24% | 63.2% | 13.0% | |||||||||||||||||
Pennsylvania | 0.122% | 52.0% | 44.8% | |||||||||||||||||
Colorado | 56.3% | 2.11% | 28.6% | 8.17% | 0.521% | |||||||||||||||
Nevada | 8.09% | 6.39% | 39.1% | 0.125% | 1.34% | 0.631% | ||||||||||||||
Georgia | 99.6% | 0.332% | ||||||||||||||||||
Oklahoma | 9.80% | 90.2% | ||||||||||||||||||
Tennessee | 98.2% | 1.29% | 0.470% | |||||||||||||||||
Arkansas | 100% | |||||||||||||||||||
South Dakota | 41.0% | 41.2% | 15.3% | |||||||||||||||||
Ohio | 3.59% | 81.0% | 15.0% | |||||||||||||||||
Indiana | 6.32% | 92.9% | 0.816% | |||||||||||||||||
Minnesota | 15.1% | 84.4% | ||||||||||||||||||
Iowa | 96.5% | 0.309% | ||||||||||||||||||
Illinois | 6.99% | 89.9% | 1.23% | |||||||||||||||||
Alaska | 0.263% | 0.281% | 82.1% | 11.6% | 5.00% | 0.196% | ||||||||||||||
Yukon | 98.1% | 1.84% | 0.521% | |||||||||||||||||
Northwest Territories | 0.348% | 72.6% | 0.290% | 5.35% | 0.496% | |||||||||||||||
Florida | 4.03% | 1.55% | 91.4% | 5.18% | ||||||||||||||||
Rhode Island | 13.3% | 69.7% | 12.2% | |||||||||||||||||
Washington | 5.04% | 1.86% | 1.11% | 24.0% | 43.6% | 0.845% | ||||||||||||||
Nunavut | 11.8% | 17.3% | 13.1% | 0.925% | ||||||||||||||||
Maine | 93.3% | 6.03% | 1.83% | |||||||||||||||||
Nova Scotia | 75.7% | 25.6% | ||||||||||||||||||
Virginia | 80.5% | 3.31% | 4.25% | 9.08% | 1.98% | |||||||||||||||
Delaware | 86.7% | 10.3% | 0.467% | |||||||||||||||||
Prince Edward Island | 89.3% | 100% | ||||||||||||||||||
Texas | 2.54% | 13.8% | 23.0% | 60.1% | 0.376% | |||||||||||||||
Louisiana | 97.6% | 2.97% | ||||||||||||||||||
Hawaii | 6.90% | 5.68% | 2.83% | 0.523% | 1.62% | 37.5% | 4.46% | 2.11% | 0.113% | |||||||||||
North Carolina | 91.1% | 3.09% | 0.441% | 1.71% | ||||||||||||||||
New Brunswick | 97.3% | 4.32% | ||||||||||||||||||
Alabama | 100% | 0.218% | ||||||||||||||||||
British Columbia | 1 | 0.184% | 0.977% | 0.593% | 0.282% | 40.5% | 47.6% | 3.13% | 0.166% | |||||||||||
Newfoundland and Labrador | 13.1% | 63.7% | 9.22% | 3.93% | ||||||||||||||||
New Jersey | 24.0% | 56.9% | 17.8% | 10.6% | ||||||||||||||||
South Carolina | 99.3% | 0.150% | 0.154% | |||||||||||||||||
Connecticut | 51.3% | 48.4% | 2.84% | |||||||||||||||||
Massachusetts | 1.16% | 78.7% | 10.2% | 0.220% | ||||||||||||||||
New York | 2.68% | 93.4% | 2.96% | |||||||||||||||||
Maryland | 29.2% | 31.9% | 5.56% | 6.45% | ||||||||||||||||
Québec | 1 | 0.104% | 20.2% | 62.1% | 14.6% | 1.33% | ||||||||||||||
Manitoba | 33.0% | 66.8% | 0.281% | |||||||||||||||||
Ontario | 0.290% | 53.6% | 42.8% | 0.732% | ||||||||||||||||
California | 19.3% | 2.56% | 1.48% | 0.371% | 49.0% | 7.52% | 1.53% | 0.275% | ||||||||||||