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1.   Answer BOTH of the following questions in the block below:

A)  When do weather fronts develop?

B)  What usually happens when a cold front meets a warm air mass?

2.  What kind of weather does a front usually bring?

3.  What are the three types of frontal systems?

4.   Answer BOTH of the following questions in the block below:

A)  What are the names of the world's primary frontal zones?

B)  Where is the Intertropical Convergence Zone (ITCZ), and why is it of particular importance?

5.  What are squalls, and what are their characteristics?

6.  Why is the Polar Frontal Zone important to those who live in the temperate zones?

7.  What are the first signs of an approaching cold front?

8.  What are the signs of an approaching warm front?

9.  What weather is associated with occluded fronts?

10.  What are the three stages of a thunderstorm, and what happens in each stage?

11.  What weather phenomena occur within a thunderstorm?

12.  Why should aircraft avoid flying through a thunderstorm?

13.  What is lightning, and what causes it to happen?

14.   Answer BOTH of the following questions in the block below:

A)  What is meant by the statement "Lightning follows the easiest route"?

B)  What causes thunder?

15.   Answer BOTH of the following questions in the block below:

A)  Where do most tornadoes occur?

B)  What name is given to a tornado over water?

16.   Answer BOTH of the following questions in the block below:

A)  What are the three categories of tropical cyclones?

B)  What is the established minimum wind velocity for a tropical cyclone?

17.  How are the names given to tropical cyclones around the world chosen?

18.  How does a hurricane develop, and why is it so violent?

19.  What are the two most usual tracks or paths of a North Atlantic hurricane?

20.  What is the "eye" of the hurricane, and what is unusual about this part of the storm?

21.  What aspect of a hurricane usually causes the most damage and casualties?

22.  When is "hurricane season"?

23.  Explain the "dangerous" and "navigable" semicircles of a hurricane.

24.  What are the four categories of signals for unfavorable winds in the vicinity of harbors and beaches in the United States? 

25.  What means are used to locate and track hurricanes?