1. What are the four main types of air masses? What does each letter stand for?
They are continental, maritime, polar and tropical.

2. Which kind of air mass(es) do you think brings hurricanes?
cT air masses.

3. Which kind of air mass(es) do you think brings drought?
The cT air masses.

4. Which kind of air mass(es) brings lake-effect snowstorms?
Most likely the mT

5. Today we learned about the four main types of air masses. In reality, there any many more than four. What are two others? Explain them.
Arctic and Highland are the two other land masses. Arctic has the same characteristics as Polar air except it is colder with even lower dewpoints and Highland air mass occurs in regions with large elevation changes over short distance.