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) | 20–29°F | 30–39°F | 40–49°F | 50–54°F | 55–59°F | 60–64°F | 65–70°F | More than 70°F | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 0.263% | 0.281% | 82.1% | 11.6% | |||||||||||||||||||
Yukon | 98.1% | 1.84% | |||||||||||||||||||||
Northwest Territories | 0.348% | 72.6% | 0.290% | ||||||||||||||||||||
Nunavut | 11.8% | 17.3% | |||||||||||||||||||||
Nova Scotia | 75.7% | ||||||||||||||||||||||
Prince Edward Island | 89.3% | ||||||||||||||||||||||
Saskatchewan | 0.467% | 36.8% | 57.3% | ||||||||||||||||||||
Hawaii | 6.90% | 5.68% | 2.83% | 0.523% | |||||||||||||||||||
New Brunswick | 97.3% | ||||||||||||||||||||||
British Columbia | 1 | 0.184% | 0.977% | 0.593% | 0.282% | 40.5% | 47.6% | ||||||||||||||||
Newfoundland and Labrador | 13.1% | 63.7% | 9.22% | ||||||||||||||||||||
Alberta | 3.24% | 63.2% | 13.0% | ||||||||||||||||||||
Québec | 1 | 0.104% | 20.2% | 62.1% | 14.6% | ||||||||||||||||||
Manitoba | 33.0% | 66.8% | |||||||||||||||||||||
Ontario | 0.290% | 53.6% | 42.8% | ||||||||||||||||||||
Arizona | 23.6% | 2.88% | 10.7% | 39.0% | 0.733% | 5.07% | 3.28% | 52.5% | 1.52% | 4.55% | 1.19% | ||||||||||||
Utah | 0.588% | 61.0% | 7.26% | 6.12% | 4.62% | 12.3% | 1.60% | 1.99% | |||||||||||||||
District of Columbia | 100% | 100% | |||||||||||||||||||||
Florida | 4.03% | 1.55% | 91.4% | 15.7% | 50.5% | ||||||||||||||||||
Idaho | 2.91% | 30.2% | 3.27% | 54.9% | 1.18% | 41.4% | 1.00% | ||||||||||||||||
New Hampshire | 76.3% | 23.7% | 51.0% | 48.6% | |||||||||||||||||||
Rhode Island | 13.3% | 69.7% | 40.8% | 3.92% | |||||||||||||||||||
Vermont | 99.7% | 0.255% | 67.8% | 5.13% | |||||||||||||||||||
Washington | 5.04% | 1.86% | 1.11% | 24.0% | 43.6% | 1.69% | 1.65% | 13.3% | |||||||||||||||
Wyoming | 7.26% | 46.3% | 0.567% | 32.4% | 12.0% | 6.20% | 1.64% | 53.8% | 3.89% | ||||||||||||||
Montana | 57.3% | 38.2% | 1.27% | 12.5% | 64.6% | 1.73% | |||||||||||||||||
Maine | 93.3% | 6.03% | 1.90% | 1.80% | |||||||||||||||||||
North Dakota | 10.1% | 1.48% | 86.6% | 7.69% | 68.5% | 22.9% | |||||||||||||||||
Kentucky | 92.1% | 7.93% | 74.1% | 25.9% | |||||||||||||||||||
Virginia | 80.5% | 3.31% | 4.25% | 9.08% | 5.66% | 52.3% | 20.9% | 1.66% | |||||||||||||||
Delaware | 86.7% | 10.3% | 70.5% | 28.7% | |||||||||||||||||||
Mississippi | 99.8% | 72.7% | 26.9% | ||||||||||||||||||||
West Virginia | 29.5% | 25.5% | 4.76% | 18.6% | 7.46% | ||||||||||||||||||
Nebraska | 17.7% | 79.4% | 2.90% | 1.70% | 23.3% | 39.4% | 35.0% | ||||||||||||||||
Texas | 2.54% | 13.8% | 23.0% | 60.1% | 7.25% | 23.2% | 29.8% | 25.4% | 11.4% | ||||||||||||||
Missouri | 26.4% | 72.3% | 79.9% | 3.80% | |||||||||||||||||||
Louisiana | 97.6% | 31.8% | 67.8% | ||||||||||||||||||||
North Carolina | 91.1% | 3.09% | 0.441% | 1.46% | 1.28% | 68.8% | |||||||||||||||||
Oregon | 6.51% | 31.0% | 31.1% | 15.4% | 5.08% | 3.51% | 53.1% | 4.57% | |||||||||||||||
Alabama | 100% | 94.8% | 3.85% | ||||||||||||||||||||
New Mexico | 0.730% | 68.2% | 0.895% | 2.27% | 0.265% | 0.661% | 14.3% | 0.207% | 1.12% | 55.1% | 17.6% | 5.37% | |||||||||||
Kansas | 22.6% | 9.98% | 67.4% | 1.72% | 30.3% | 60.6% | 7.43% | ||||||||||||||||
Wisconsin | 21.4% | 78.5% | 4.55% | 71.2% | 1.80% | ||||||||||||||||||
New Jersey | 24.0% | 56.9% | 17.8% | 35.4% | 64.3% | ||||||||||||||||||
South Carolina | 99.3% | 0.150% | 1.35% | 88.9% | 5.34% | ||||||||||||||||||
Michigan | 16.9% | 83.0% | 0.172% | 3.53% | 60.8% | 2.65% | |||||||||||||||||
Connecticut | 51.3% | 48.4% | 74.5% | 20.0% | |||||||||||||||||||
Pennsylvania | 0.122% | 52.0% | 44.8% | 4.44% | 3.41% | 11.0% | |||||||||||||||||
Colorado | 56.3% | 2.11% | 28.6% | 8.17% | 0.521% | 1.05% | 16.7% | 24.1% | |||||||||||||||
Nevada | 8.09% | 6.39% | 39.1% | 0.125% | 1.34% | 0.631% | 8.38% | 55.6% | 2.02% | ||||||||||||||
Massachusetts | 1.16% | 78.7% | 3.88% | 49.9% | 35.1% | ||||||||||||||||||
Georgia | 99.6% | 0.332% | 9.84% | 70.8% | 17.4% | ||||||||||||||||||
New York | 2.68% | 93.4% | 1.78% | 9.58% | 8.48% | 1.26% | |||||||||||||||||
Maryland | 29.2% | 31.9% | 5.56% | 12.3% | 72.0% | 14.7% | |||||||||||||||||
Oklahoma | 9.80% | 90.2% | 2.09% | 6.06% | 3.01% | 9.12% | |||||||||||||||||
Tennessee | 98.2% | 1.29% | 0.470% | 3.53% | 55.1% | ||||||||||||||||||
California | 19.3% | 2.56% | 1.48% | 0.371% | 49.0% | 7.52% | 2.22% | 24.7% | 1.17% | 2.39% | |||||||||||||
Arkansas | 100% | 7.28% | 3.52% | 1.05% | |||||||||||||||||||
South Dakota | 41.0% | 41.2% | 15.3% | 2.29% | 26.1% | 60.0% | 10.8% | ||||||||||||||||
Ohio | 3.59% | 81.0% | 15.0% | 36.5% | 1.25% | ||||||||||||||||||
Indiana | 6.32% | 92.9% | 0.816% | 8.52% | 84.6% | 5.00% | |||||||||||||||||
Minnesota | 15.1% | 84.4% | 16.6% | 59.4% | 18.8% | ||||||||||||||||||
Iowa | 96.5% | 0.309% | 3.40% | 95.4% | |||||||||||||||||||
Illinois | 6.99% | 89.9% | 1.23% | 1.77% | 78.7% | 18.0% |