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 | Class | Rank | Value | No data | Arid and low water use | Low (<10%) | Low-medium (10-20%) | Medium-high (20-40%) | High (40-80%) | Extremely high (>80%) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5.62% | 0.609% | 4.46% | 2.11% | 0.178% | 0.654% | 3.65% | 47.2% | 4.86% | 6.22% | 9.97% | 14.9% | ||||
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