The greatest contrast in both temperature and moisture will occur along the boundary separating which air masses?
a. cP and cT
b. mP and mT
c. mP and cT
d. mT and cP
e. cT and mT
Q. 2Compared to an mP air mass, mT air is
a. warmer and windier.
b. warmer and moister.
c. colder and calmer.
d. colder and moister.
e. warmer and drier.
Q. 3Which of the following statements is most plausible?
a. In winter, cP source regions have higher temperatures than mT source regions.
b. In summer, mP source regions have higher temperatures than cT source regions.
c. In winter, cA source regions have lower temperatures than cP source regions.
d. In summer, mT source regions have lower temperatures than mP source regions.
e. In spring and fall, mP source regions have higher temperatures than cT source regions.
Q. 4Continental polar (cP) and continental Arctic (cA) air masses
a. both originate over polar oceans.
b. form in summer only.
c. originate over the ice- and snow-covered regions of the Arctic, northern Canada, and Alaska where long, clear nights allow for strong radiational cooling of the surface.
d. bring strong thunderstorms.
e. produce wet weather and temperatures around the freezing point.
Q. 5The origin of cP and cA air masses that enter the United States is
a. Northern Siberia.
b. the Northern Atlantic Ocean.
c. Antarctica.
d. Northern Canada and Alaska.
e. the Eastern Pacific Ocean.
Q. 6A good source region for an air mass would be
a. mountains with deep valleys and strong surface winds.
b. generally flat areas of uniform composition with light surface winds.
c. hilly with deep valleys and light winds.
d. generally flat area of uniform composition with strong surface winds
e. mountainous areas with low surface pressure.
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