Using Figure 9-13 below:

1. a. Draw isobars at 4-mb intervals (e.g., 1004 mb, 1008 mb, 1012 mb).
2. b. Label the low pressure center with an “L.”
3. c. Draw the warm and cold fronts.
4. d. Label a maritime tropical (mT) and continental polar air mass (cP).
5. e. Outline the area where cloud cover exceeds 75%.
6. f. Shade the areas receiving precipitation.

Figure 9-13