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 | Settled by 400 CE | Settled by 800 CE | |
|---|---|---|---|---|---|---|---|
Arizona | 5 | 1 | |||||
Utah | 2 | ||||||
Florida | 31 | 6 | |||||
Idaho | 1 | ||||||
New Hampshire | 2 | ||||||
Vermont | 1 | ||||||
Washington | 1 | ||||||
Wyoming | 15 | 3 | |||||
Montana | 8 | 4 | |||||
North Dakota | 38 | 6 | 5 | ||||
Kentucky | 87 | 26 | 2 | ||||
Virginia | 28 | 8 | |||||
Delaware | 3 | ||||||
Saskatchewan | 7 | ||||||
Mississippi | 162 | 45 | 7 | 2 | |||
West Virginia | 4 | ||||||
Nebraska | 67 | 13 | 7 | ||||
Texas | 193 | 46 | 7 | ||||
Missouri | 95 | 36 | 7 | 1 | |||
Louisiana | 93 | 15 | 2 | ||||
North Carolina | 54 | 12 | |||||
Oregon | 2 | ||||||
Alabama | 149 | 34 | 13 | 2 | |||
New Mexico | 7 | ||||||
Kansas | 82 | 56 | 10 | 1 | |||
Wisconsin | 32 | 11 | |||||
British Columbia | 1 | 1 | |||||
New Jersey | 2 | 1 | |||||
South Carolina | 46 | 15 | 1 | ||||
Michigan | 20 | 3 | |||||
Alberta | 9 | ||||||
Pennsylvania | 31 | 3 | |||||
Colorado | 25 | 3 | |||||
Massachusetts | 2 | 1 | |||||
Georgia | 90 | 31 | 4 | ||||
New York | 17 | 1 | |||||
Maryland | 8 | 1 | |||||
Québec | 1 | 30 | 1 | ||||
Manitoba | 5 | 4 | 1 | 1 | |||
Oklahoma | 104 | 29 | 8 | 2 | |||
Tennessee | 82 | 27 | 8 | ||||
Ontario | 46 | 1 | |||||
California | 3 | ||||||
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 | ||||
Hawaii | 2.28% | 58.3% | |||||
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