Low Pressure
North AmericaPhysical EnvironmentA region where atmospheric pressure at the surface is lower than surrounding areas
NOAAA map highlights the low pressure regions in North America by a letter L enclosed in a circle. On the border of Washington and British Columbia. In the Halifax, and Manitoba Ontario boarder. One in the Amarillo.
Low Pressure | No Data | Very Low | Low | Moderately Low | Moderate | Moderately High | High | Very High | Extremely High | Alaska Territory, United States | Canada | Hawaii, United States | Mexico | United States | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 0.220% | 0.183% | 1.08% | 0.155% | 0.137% | 1.29% | 0.106% | 97.8% | |||||||
Arizona | 0.139% | 10.8% | 100% | ||||||||||||
Utah | 0.376% | 0.196% | 39.2% | 100% | |||||||||||
Yukon | 0.795% | 1.20% | 10.9% | 14.8% | 9.73% | 100% | |||||||||
Northwest Territories | 1.90% | 10.9% | 5.41% | 21.2% | 8.33% | 0.275% | 0.935% | 98.8% | |||||||
District of Columbia | 100% | 100% | |||||||||||||
Florida | 0.355% | 80.3% | 98.4% | ||||||||||||
Idaho | 0.401% | 1.00% | 8.30% | 100% | |||||||||||
New Hampshire | 80.8% | 16.8% | 0.210% | 99.8% | |||||||||||
Rhode Island | 94.9% | 92.4% | |||||||||||||
Vermont | 0.314% | 1.37% | 0.222% | 99.8% | |||||||||||
Washington | 8.97% | 9.78% | 0.487% | 0.874% | 98.8% | ||||||||||
Wyoming | 0.273% | 44.8% | 4.05% | 100% | |||||||||||
Nunavut | 0.968% | 0.100% | 0.238% | 3.40% | 96.9% | ||||||||||
Montana | 0.729% | 0.291% | 1.69% | 100% | |||||||||||
Maine | 82.9% | 16.3% | 0.730% | 98.1% | |||||||||||
North Dakota | 9.96% | 100% | |||||||||||||
Kentucky | 0.803% | 100% | |||||||||||||
Nova Scotia | 1 | 4.31% | 0.376% | 7.89% | 93.9% | ||||||||||
Virginia | 6.11% | 99.2% | |||||||||||||
Delaware | 21.0% | 96.8% | |||||||||||||
Prince Edward Island | 91.5% | 61.3% | |||||||||||||
Saskatchewan | 0.919% | 28.6% | 8.52% | 1.02% | 0.695% | 99.9% | |||||||||
Mississippi | 18.5% | 99.9% | |||||||||||||
West Virginia | 21.1% | 100% | |||||||||||||
Nebraska | 29.9% | 30.0% | 100% | ||||||||||||
Texas | 1 | 0.168% | 8.05% | 0.127% | 99.6% | ||||||||||
Missouri | 5.67% | 100% | |||||||||||||
Louisiana | 0.187% | 98.3% | |||||||||||||
Hawaii | 0.296% | 0.586% | 1.76% | 0.911% | 76.1% | ||||||||||
North Carolina | 42.1% | 98.5% | |||||||||||||
Oregon | 11.5% | 0.302% | 25.8% | 0.243% | 99.9% | ||||||||||
New Brunswick | 3.39% | 0.324% | 35.6% | 98.6% | 0.421% | ||||||||||
Alabama | 17.9% | 99.9% | |||||||||||||
New Mexico | 3.80% | 24.3% | 100% | ||||||||||||
Kansas | 12.6% | 48.2% | 100% | ||||||||||||
Wisconsin | 0.259% | 0.247% | 100% | ||||||||||||
British Columbia | 0.147% | 1.12% | 0.594% | 2.88% | 2.80% | 3.66% | 10.6% | 98.9% | |||||||
Newfoundland and Labrador | 5.13% | 0.109% | 0.201% | 1.56% | 98.5% | ||||||||||
New Jersey | 1.93% | 0.357% | 96.7% | ||||||||||||
South Carolina | 58.8% | 99.9% | |||||||||||||
Michigan | 1.39% | 0.144% | 99.9% | ||||||||||||
Alberta | 0.424% | 0.728% | 1.52% | 10.5% | 0.222% | 1.32% | 0.431% | 100% | |||||||
Connecticut | 14.6% | 85.2% | 99.3% | ||||||||||||
Pennsylvania | 33.7% | 0.565% | 100% | ||||||||||||
Colorado | 17.7% | 35.7% | 100% | ||||||||||||
Nevada | 0.344% | 12.9% | 76.5% | 100% | |||||||||||
Massachusetts | 32.8% | 0.220% | 93.5% | ||||||||||||
Georgia | 0.544% | 99.8% | |||||||||||||
New York | 0.690% | 33.9% | 0.977% | 0.175% | 99.2% | ||||||||||
Maryland | 1.80% | 96.0% | |||||||||||||
Québec | 1.02% | 2.36% | 2.98% | 1.97% | 1.83% | 1.52% | 99.4% | ||||||||
Manitoba | 0.786% | 11.3% | 36.2% | 21.9% | 0.653% | 4.68% | 99.9% | ||||||||
Oklahoma | 1.67% | 0.437% | 100% | ||||||||||||
Tennessee | 2.12% | 100% | |||||||||||||
Ontario | 1 | 28.2% | 14.0% | 30.5% | 13.7% | 0.243% | 99.9% | ||||||||
California | 0.438% | 1.08% | 5.44% | 13.5% | 99.6% | ||||||||||
Arkansas | 25.3% | 100% | |||||||||||||
South Dakota | 2.42% | 0.851% | 0.598% | 100% | |||||||||||
Ohio | 0.316% | 1.15% | 1.29% | 100% | |||||||||||
Indiana | 30.9% | 100% | |||||||||||||
Minnesota | 11.2% | 0.174% | 99.8% | ||||||||||||
Iowa | 10.5% | 100% | |||||||||||||
Illinois | 0.259% | 100% |
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