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 | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Major Karst Regions | |
|---|---|---|---|---|---|---|
New Hampshire | 2 | |||||
Vermont | 1 | |||||
Washington | 1 | |||||
Montana | 8 | 4 | ||||
Delaware | 3 | |||||
Saskatchewan | 7 | |||||
Louisiana | 93 | 15 | 2 | |||
Oregon | 2 | |||||
British Columbia | 1 | 1 | ||||
New Jersey | 2 | 1 | ||||
South Carolina | 46 | 15 | 1 | |||
Colorado | 25 | 3 | ||||
Massachusetts | 2 | 1 | ||||
California | 3 | |||||
South Dakota | 47 | 7 | 4 | |||
Ohio | 42 | 7 | 3 | |||
Arizona | 5 | 1 | 6.12% | |||
Utah | 2 | 16.5% | ||||
Yukon | 2.27% | |||||
Northwest Territories | 1.44% | |||||
Florida | 31 | 6 | 42.1% | |||
Idaho | 1 | 0.527% | ||||
Wyoming | 15 | 3 | 4.22% | |||
Nunavut | 3.79% | |||||
Maine | 1.04% | |||||
North Dakota | 38 | 6 | 5 | 18.3% | ||
Kentucky | 87 | 26 | 2 | 7.06% | ||
Nova Scotia | 45.5% | |||||
Virginia | 28 | 8 | 17.5% | |||
Mississippi | 162 | 45 | 7 | 2 | 5.48% | |
West Virginia | 4 | 27.1% | ||||
Nebraska | 67 | 13 | 7 | 5.07% | ||
Texas | 193 | 46 | 7 | 0.625% | ||
Missouri | 95 | 36 | 7 | 1 | 0.407% | |
North Carolina | 54 | 12 | 13.2% | |||
New Brunswick | 7.07% | |||||
Alabama | 149 | 34 | 13 | 2 | 6.35% | |
New Mexico | 7 | 29.5% | ||||
Kansas | 82 | 56 | 10 | 1 | 2.31% | |
Wisconsin | 32 | 11 | 31.1% | |||
Newfoundland and Labrador | 9.36% | |||||
Michigan | 20 | 3 | 8.03% | |||
Alberta | 9 | 4.20% | ||||
Pennsylvania | 31 | 3 | 14.8% | |||
Nevada | 4.77% | |||||
Georgia | 90 | 31 | 4 | 38.3% | ||
New York | 17 | 1 | 1.63% | |||
Maryland | 8 | 1 | 0.239% | |||
Québec | 1 | 30 | 1 | 2.89% | ||
Manitoba | 5 | 4 | 1 | 1 | 13.2% | |
Oklahoma | 104 | 29 | 8 | 2 | 4.68% | |
Tennessee | 82 | 27 | 8 | 4.04% | ||
Ontario | 46 | 1 | 5.81% | |||
Arkansas | 105 | 23 | 4 | 17.2% | ||
Indiana | 58 | 18 | 1 | 33.8% | ||
Minnesota | 60 | 11 | 4 | 16.9% | ||
Iowa | 86 | 17 | 4 | 1 | 0.441% | |
Illinois | 108 | 21 | 6 | 16.2% | ||
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