Use Fig., p. 103 (Chapter 4) to help you explain why the bases of cumulus clouds, which fo...

Use Fig., p. 103 (Chapter 4) to help you explain why the bases of cumulus clouds, which form from rising thermals during the summer, often increase in height above the surface as you move from east to west across Kansas.

FIGURE 4.15 Average surface dew-point temperatures across the United States and Canada (°F) for July.