50-06. AIR MASSES AND FRONTS
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1. Which of the following processes will increase the stability of an air mass?
2. (Refer to figure 050-08)
Which cross-section of air mass and cloud presentation is applicable to the straight line A-B?

3. Frontal depressions can be assumed to move in the direction of the 2000 feet wind:
4. What are the most common characteristics of a warm air mass, moving over a cold surface?
5. What types of cloud will you meet flying towards a warm front?