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 | Sea Level to -200 | -201 to -2000 | -2001 to -3000 | -3001 to -4000 | -4001 to -5000 | No data | Arid and low water use | Low (<10%) | Low-medium (10-20%) | Medium-high (20-40%) | High (40-80%) | Extremely high (>80%) | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 5.00% | 0.196% | 0.132% | 87.9% | 0.193% | 0.154% | 1.32% | ||||||
Arizona | 3.34% | 9.37% | 6.97% | 0.448% | 4.52% | ||||||||
Utah | 20.8% | 13.7% | 0.313% | 0.420% | 49.5% | ||||||||
Yukon | 0.521% | 0.923% | 99.0% | ||||||||||
Northwest Territories | 5.35% | 0.496% | 0.342% | 3.62% | |||||||||
District of Columbia | 100% | ||||||||||||
Florida | 5.18% | 10.4% | 12.0% | 0.279% | 0.266% | 0.590% | |||||||
Idaho | 0.772% | 13.8% | 28.4% | 8.83% | 44.9% | ||||||||
New Hampshire | 17.2% | 33.7% | 40.5% | 8.46% | |||||||||
Rhode Island | 12.2% | 0.183% | 86.5% | 6.09% | |||||||||
Vermont | 7.27% | 88.3% | 4.41% | ||||||||||
Washington | 0.845% | 72.6% | 3.37% | 5.42% | 0.287% | 6.53% | |||||||
Wyoming | 21.7% | 0.541% | 70.3% | ||||||||||
Nunavut | 13.1% | 0.925% | 0.979% | 18.2% | |||||||||
Montana | 28.7% | 2.60% | 14.6% | 5.24% | 35.2% | ||||||||
Maine | 1.83% | 94.9% | 2.65% | 0.228% | 0.817% | ||||||||
North Dakota | 7.38% | 3.22% | 4.45% | 0.249% | 9.67% | 36.7% | |||||||
Kentucky | 76.6% | 17.7% | 5.68% | ||||||||||
Nova Scotia | 25.6% | 0.182% | 80.1% | ||||||||||
Virginia | 1.98% | 11.9% | 0.775% | 16.4% | 1.64% | ||||||||
Delaware | 0.467% | 0.105% | 37.7% | 61.1% | |||||||||
Prince Edward Island | 100% | 98.5% | |||||||||||
Saskatchewan | 4.25% | 59.9% | 2.62% | 2.54% | 2.67% | 0.868% | |||||||
Mississippi | 74.5% | 1.57% | 23.9% | ||||||||||
West Virginia | 63.6% | 17.6% | 14.6% | ||||||||||
Nebraska | 0.605% | 3.54% | 22.3% | 73.5% | |||||||||
Texas | 0.376% | 4.07% | 3.41% | 2.84% | 1.94% | 22.5% | 2.71% | ||||||
Missouri | 45.5% | 14.9% | 0.131% | 5.37% | |||||||||
Louisiana | 2.97% | 54.5% | 20.6% | 5.75% | |||||||||
Hawaii | 1.62% | 37.5% | 4.46% | 2.11% | 0.113% | 7.82% | |||||||
North Carolina | 1.71% | 0.116% | 12.2% | 54.7% | 3.14% | 0.982% | |||||||
Oregon | 14.3% | 48.2% | 11.8% | 4.82% | 0.772% | 0.847% | |||||||
New Brunswick | 4.32% | 99.5% | |||||||||||
Alabama | 0.218% | 92.6% | 5.45% | 0.987% | |||||||||
New Mexico | 30.3% | 0.128% | 7.32% | 21.7% | |||||||||
Kansas | 0.176% | 1.82% | 13.8% | 68.4% | |||||||||
Wisconsin | 5.67% | 25.0% | 40.8% | 9.68% | |||||||||
British Columbia | 1 | 3.13% | 0.166% | 92.0% | 1.55% | 0.285% | |||||||
Newfoundland and Labrador | 3.93% | 74.5% | |||||||||||
New Jersey | 10.6% | 0.162% | 3.07% | 94.0% | 1.76% | ||||||||
South Carolina | 0.154% | 0.748% | 24.6% | 36.2% | |||||||||
Michigan | 56.0% | 3.00% | 4.63% | 9.70% | |||||||||
Alberta | 3.52% | 56.8% | 0.267% | 4.01% | 3.67% | 11.4% | |||||||
Connecticut | 2.84% | 0.460% | 29.6% | 24.9% | 23.8% | 1.35% | |||||||
Pennsylvania | 1.42% | 27.8% | 49.9% | 3.96% | |||||||||
Colorado | 0.795% | 9.40% | 85.2% | ||||||||||
Nevada | 8.21% | 0.731% | 1.40% | 0.413% | 2.80% | 24.0% | |||||||
Massachusetts | 10.2% | 0.220% | 0.206% | 0.166% | 33.6% | 8.30% | 30.7% | ||||||
Georgia | 8.71% | 47.0% | 37.9% | ||||||||||
New York | 2.96% | 25.4% | 5.89% | 56.3% | 5.19% | 0.401% | |||||||
Maryland | 6.45% | 0.151% | 4.45% | 64.3% | 1.05% | 8.49% | |||||||
Québec | 1 | 1.33% | 99.1% | 0.240% | |||||||||
Manitoba | 0.281% | 0.656% | 83.1% | 11.7% | 2.04% | 1.39% | |||||||
Oklahoma | 11.4% | 5.60% | 4.28% | 17.9% | 30.0% | ||||||||
Tennessee | 90.1% | 5.50% | |||||||||||
Ontario | 0.732% | 97.2% | 1.67% | 1.13% | |||||||||
California | 1.53% | 0.275% | 0.688% | 12.5% | 0.232% | 17.8% | 2.26% | 1.00% | |||||
Arkansas | 12.6% | 46.8% | 33.2% | 6.01% | |||||||||
South Dakota | 32.7% | 3.47% | 37.3% | 22.0% | |||||||||
Ohio | 3.42% | 0.721% | 29.0% | ||||||||||
Indiana | 0.434% | 1.19% | 8.61% | 4.78% | |||||||||
Minnesota | 21.0% | 3.81% | 13.1% | 23.4% | 22.0% | ||||||||
Iowa | 26.6% | 12.5% | 44.0% | 16.3% | 0.628% | ||||||||
Illinois | 30.9% | 0.187% | 44.1% | 9.75% |
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