If you want to keep score, you'll have to do so yourself. In the future, we may relieve you of that burden--we hope. If you want to quit this quiz without finishing and be--a quiz quitting type person, return links are on all the question pages.
When speaking of weather, PDS means the following:
a) Particularly dangerous situation
b) Public display of--uh hum.
c) Particularly dangerous storm.
d) Precipitation downfall scale.