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 | 0-5 | 5-10 | 10-20 | 20-40 | 40-80 | 4.50–4.59 pH | 4.60–4.69 pH | 4.70–4.79 pH | 4.80–4.89 pH | 4.90–4.99 pH | 5.00–5.09 pH | 5.10–5.19 pH | 5.20–5.29 pH | ≥5.30 pH | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 13.5% | 44.9% | 31.7% | 4.93% | |||||||||||
Yukon | 1.73% | 79.6% | 16.9% | 1.69% | |||||||||||
Northwest Territories | 23.4% | 64.7% | 8.79% | ||||||||||||
Nunavut | 33.5% | 53.8% | 3.41% | ||||||||||||
Nova Scotia | 76.3% | ||||||||||||||
Saskatchewan | 12.0% | 88.0% | |||||||||||||
Hawaii | 41.5% | ||||||||||||||
New Brunswick | 98.9% | ||||||||||||||
British Columbia | 1 | 6.58% | 74.8% | 16.1% | 0.142% | ||||||||||
Newfoundland and Labrador | 41.1% | 53.3% | |||||||||||||
Alberta | 11.5% | 88.5% | |||||||||||||
Québec | 1 | 2.23% | 49.6% | 46.9% | |||||||||||
Manitoba | 0.241% | 99.7% | |||||||||||||
Ontario | 91.7% | 7.15% | |||||||||||||
Arizona | 27.8% | 70.8% | 1.40% | 1.23% | 98.8% | ||||||||||
Utah | 19.7% | 80.3% | 1.69% | 98.3% | |||||||||||
District of Columbia | 100% | 100% | |||||||||||||
Florida | 86.4% | 10.2% | 1.32% | 13.8% | 25.9% | ||||||||||
Idaho | 6.16% | 73.2% | 20.6% | 4.63% | 95.4% | ||||||||||
New Hampshire | 100% | 72.0% | 27.9% | ||||||||||||
Rhode Island | 100% | 2.00% | 3.88% | ||||||||||||
Vermont | 100% | 95.7% | 4.07% | ||||||||||||
Washington | 20.5% | 31.6% | 40.9% | 5.77% | 23.4% | 70.9% | |||||||||
Wyoming | 69.2% | 30.8% | 100% | ||||||||||||
Montana | 21.7% | 78.3% | 9.26% | 90.7% | |||||||||||
Maine | 98.4% | 17.3% | 69.8% | 10.8% | |||||||||||
North Dakota | 100% | 100% | |||||||||||||
Kentucky | 100% | 1.72% | 54.3% | 1.61% | 9.53% | ||||||||||
Virginia | 98.0% | 3.50% | 1.66% | 15.4% | |||||||||||
Delaware | 99.2% | 17.4% | 81.8% | ||||||||||||
Mississippi | 99.9% | 14.3% | 79.0% | 5.27% | |||||||||||
West Virginia | 100% | 7.63% | 45.0% | 12.8% | 8.92% | ||||||||||
Nebraska | 76.5% | 23.5% | 100% | ||||||||||||
Texas | 5.18% | 70.3% | 24.2% | 8.53% | 1.49% | 4.74% | 5.19% | 56.4% | |||||||
Missouri | 100% | 26.1% | 26.9% | 12.0% | 34.2% | ||||||||||
Louisiana | 97.7% | 41.6% | 42.5% | 8.80% | 4.48% | 2.23% | |||||||||
North Carolina | 99.2% | 1.35% | 37.2% | 1.72% | 9.88% | ||||||||||
Oregon | 22.6% | 52.1% | 25.2% | 2.68% | 97.3% | ||||||||||
Alabama | 99.9% | 84.6% | 13.4% | ||||||||||||
New Mexico | 49.3% | 50.7% | 4.15% | 91.3% | |||||||||||
Kansas | 49.1% | 50.9% | 100% | ||||||||||||
Wisconsin | 5.33% | 94.0% | 4.01% | 46.8% | 27.3% | 21.3% | |||||||||
New Jersey | 99.8% | 5.98% | 36.6% | 32.6% | 23.7% | ||||||||||
South Carolina | 99.9% | 33.6% | 64.2% | 2.08% | |||||||||||
Michigan | 74.9% | 19.2% | 24.0% | 10.0% | 4.73% | 13.3% | |||||||||
Connecticut | 99.9% | 49.9% | 50.0% | ||||||||||||
Pennsylvania | 100% | 3.58% | 34.8% | 29.1% | 10.8% | ||||||||||
Colorado | 39.8% | 60.2% | 1.85% | 3.55% | 88.3% | ||||||||||
Nevada | 59.6% | 40.4% | 100% | ||||||||||||
Massachusetts | 88.5% | 98.2% | |||||||||||||
Georgia | 99.9% | 7.01% | 3.21% | 2.51% | 3.47% | ||||||||||
New York | 14.8% | 82.5% | 4.25% | 52.6% | 35.3% | ||||||||||
Maryland | 98.7% | 12.5% | 29.8% | 10.3% | |||||||||||
Oklahoma | 37.6% | 62.4% | 2.73% | 5.70% | 91.6% | ||||||||||
Tennessee | 100% | 5.63% | 19.5% | 14.5% | 3.55% | ||||||||||
California | 67.0% | 31.4% | 99.7% | ||||||||||||
Arkansas | 100% | 17.5% | 40.8% | 7.44% | 10.2% | ||||||||||
South Dakota | 100% | 100% | |||||||||||||
Ohio | 0.563% | 99.0% | 5.07% | 9.56% | 59.7% | 23.0% | |||||||||
Indiana | 100% | 12.8% | 4.37% | 8.75% | 5.18% | ||||||||||
Minnesota | 50.3% | 49.6% | 2.86% | 4.42% | 92.3% | ||||||||||
Iowa | 2.53% | 97.5% | 1.50% | 98.5% | |||||||||||
Illinois | 100% | 39.9% | 27.0% | 15.0% | 3.08% | 9.73% | |||||||||
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