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| Title: |
LOW- AND HIGH-PRESSURE CENTERS |
| Caption: |
This diagram illustrates air flow in low- and high-pressure centers in the Northern Hemisphere. Horizontal changes in atmospheric pressure and temperature variations cause air to circulate in the troposphere. Air flow at the surface converges (purple arrows point inward) in low pressure centers and diverges (purple arrows point outward) in high pressure centers. (After Lutgens, F. K., and Tarbuck, E. J. 2007. The atmosphere: An introduction to meteorology, 10th ed. Upper Saddle River, NJ: Pearson Prentice Hall) |
| Keywords: |
atmosphere, air pressures, atmospheric pressures, highs, lows, divergence, convergence, mid-latitude cyclones, anticyclones |
