1. What does this symbol indicate on a weather map?

2. What kind of weather is usually associated with a high pressure system?

3. The boundary between two air masses is known as:

4. The amount of water vapor present in the air is called ________________.

5. When a warm air mass gently slides on top of a cold air mass, and you have drizzly rain and then warmer weather, what type of front is it?

6. What type of storm front is this?

7. Identify the type of front that is shown in the image.

8. What type of of air mass is dry and warm?

9. What type of of air mass is wet and warm?

10. What type of of air mass is dry and cold?