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 | Continental Shelf | |
|---|---|---|---|---|---|---|
Arizona | 5 | 1 | ||||
Utah | 2 | |||||
Idaho | 1 | |||||
New Hampshire | 2 | |||||
Vermont | 1 | |||||
Wyoming | 15 | 3 | ||||
Montana | 8 | 4 | ||||
North Dakota | 38 | 6 | 5 | |||
Kentucky | 87 | 26 | 2 | |||
Saskatchewan | 7 | |||||
Mississippi | 162 | 45 | 7 | 2 | ||
West Virginia | 4 | |||||
Nebraska | 67 | 13 | 7 | |||
Missouri | 95 | 36 | 7 | 1 | ||
Oregon | 2 | |||||
New Mexico | 7 | |||||
Kansas | 82 | 56 | 10 | 1 | ||
Wisconsin | 32 | 11 | ||||
South Carolina | 46 | 15 | 1 | |||
Michigan | 20 | 3 | ||||
Alberta | 9 | |||||
Pennsylvania | 31 | 3 | ||||
Colorado | 25 | 3 | ||||
Manitoba | 5 | 4 | 1 | 1 | ||
Oklahoma | 104 | 29 | 8 | 2 | ||
Tennessee | 82 | 27 | 8 | |||
Ontario | 46 | 1 | ||||
Arkansas | 105 | 23 | 4 | |||
South Dakota | 47 | 7 | 4 | |||
Ohio | 42 | 7 | 3 | |||
Indiana | 58 | 18 | 1 | |||
Minnesota | 60 | 11 | 4 | |||
Iowa | 86 | 17 | 4 | 1 | ||
Illinois | 108 | 21 | 6 | |||
Alaska | 1.23% | |||||
Northwest Territories | 0.420% | |||||
Florida | 31 | 6 | 1.79% | |||
Rhode Island | 5.84% | |||||
Washington | 1 | 0.997% | ||||
Nunavut | 1.49% | |||||
Maine | 0.686% | |||||
Nova Scotia | 3.29% | |||||
Virginia | 28 | 8 | 0.705% | |||
Delaware | 3 | 2.06% | ||||
Prince Edward Island | 12.7% | |||||
Texas | 193 | 46 | 7 | 0.261% | ||
Louisiana | 93 | 15 | 2 | 1.29% | ||
North Carolina | 54 | 12 | 0.611% | |||
New Brunswick | 0.785% | |||||
Alabama | 149 | 34 | 13 | 2 | 0.101% | |
British Columbia | 1 | 1 | 1.05% | |||
Newfoundland and Labrador | 2.04% | |||||
New Jersey | 2 | 1 | 2.40% | |||
Connecticut | 0.150% | |||||
Massachusetts | 2 | 1 | 4.75% | |||
Georgia | 90 | 31 | 4 | 0.232% | ||
New York | 17 | 1 | 0.761% | |||
Maryland | 8 | 1 | 2.12% | |||
Québec | 1 | 30 | 1 | 0.215% | ||
California | 3 | 0.133% | ||||
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