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 | Class | Rank | Percentage of change | Class | Rank | Percent | -2.0 to 0.0 | 0.0 to 1.9 | 2.0 to 3.9 | 4.0 to 5.9 | 6.0 to 7.9 | 8.0 to 9.9 | 10.0 to 11.9 | 12.0 to 13.9 | 14.0 to 15.9 | 18.0 to 19.9 | 20.0 to 21.9 | 22.0 to 23.9 | 24.0 to 25.9 | 26.0 to 27.9 | 28.0 to 29.9 | 2 to 2.5 | 2.5 to 3 | 3 to 3.5 | 3.5 to 4 | 4 to 4.5 | 4.5 to 5 | 5 to 5.5 | 5.5 to 6 | 6 to 6.5 | 6.5 to 7 | 7 to 7.5 | Commercial gardening | Dairy | Grain | Intensive subsistence, wet rice not dominant | Little or no agriculture | Livestock Ranching | Mediterranean | Mixed crop and livestock | Plantation | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.06% | 0.769% | 0.553% | 0.725% | 0.603% | 0.825% | 0.239% | 0.135% | 0.206% | 0.342% | 0.126% | 0.317% | 1.60% | 0.778% | 4.46% | 4.46% | 1.31% | 8.42% | 29.4% | 29.6% | 32.3% | 18.4% | 19.2% | 2.50% | 13.4% | 3.93% | 5.08% | 11.3% | 13.0% | 1.03% | 22.1% | 20.9% | 34.7% | 36.3% | 10.6% | |||||||