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 | Gold | Class | Rank | Percent | Lightning Frequency | <0.1 flashes/km²/year | 0.1 flashes/km²/year | 0.2 flashes/km²/year | 0.4 flashes/km²/year | 0.6 flashes/km²/year | 0.8 flashes/km²/year | 1 flash/km²/year | 2 flashes/km²/year | 4 flashes/km²/year | 6 flashes/km²/year | 8 flashes/km²/year | 10 flashes/km²/year | 20 flashes/km²/year | 30 flashes/km²/year | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 122.75 | 24.4% | 16.4% | 8.63% | 6.27% | 9.50% | 4.67% | 3.58% | 14.1% | 25.7% | 10.1% | 11.3% | 14.8% | 42.6% | 30.6% | 47.1% |
0.16.0