1. Vorticity is a measure of:
A. The weight of the atmosphere
B. The temperature of the atmosphere
C. The spin of the atmosphere
D. The humidity of the atmosphere

2. Which of these is not a type of vorticity:
A. Relative Vorticity
B. Planetary Vorticity
C. Absolute Vorticity
D. Indirect Vorticity

3. Which type of vorticity is represented by the dotted lines in the upper left panel?
A. Relative Vorticity
B. Planetary Vorticity
C. Absolute Vorticity
D. Indirect Vorticity

4. Relative vorticity is almost always positive because:
A. Absolute vorticity is always positive
B. Planetary vorticity is always positive
C. It's been decided by convention
D. It isn't

5. PVA is an abbreviation for:
A. Positive Vorticity Advection
B. Positive Velocity Advection
C. Potential Velocity Advection
D. Planetary Vorticity Advection

6. Which of these is not likely to be advected:
A. Temperature
B. Vorticity
C. Moisture
D. Snow cover

"A"	"B"

7. Which is true about the above wind and vorticity images:
A. Both PVA; "A" is stronger than "B"
B. Both PVA; "B" is stronger than "A"
C. Both PVA; "A" and "B" are equal
D. Not enough information is given

8. PVA leads to:
A. Convergence at 500 mb
B. Divergence at 500 mb
C. Temperature advection at 500 mb
D. Sunny weather forecasts