Lab #6: Air Masses and Fronts

GEO 302C

1. Fill in the following table from the air masses map (Figure 1):

Air Mass Symbol

Air Mass Name

Temperature and Humidity Characteristics

mP Maritime Polar Cool, Moist

 

2. Briefly describe how a cP air mass originating over Alberta, Canada, is modified as it traverses the Great Lakes then makes its way south into Florida.

 

 

 

 

 

3. What type of clouds form with cold fronts ?

4. What type of clouds form with warm fronts?

5. During the passage of a cold front, what are the temperature characteristics of the rising air?

6. During the passage of a warm front, what are the temperature characteristics of the rising air?

7. What type of weather is associated with the passage of cold fronts?

8. Draw the frontal slopes of the typical warm and cold fronts. Label the cold and warm air sectors and draw the clouds associated with each front.

Cold Front

Warm Front

 

From the weather map (Figure 2), answer the following questions:

9. What type of front is situated between letters L and a?

10. What type of front is situated between letters L and e?

11. What type of front is situated between letters c and d?

12. What type of front is situated between letters a and b?