Terms in this set (2)

2. Standard sea level pressure in inches of mercury is __________.

a. 7.52 inches

b. 14.70 inches

c. 28.70 inches

d. 29.92 inches



3. The mercurial barometer was invented by __________.

a. Torricelli

b. Galileo

c. Newton

d. Watt



4. Which of these instruments is NOT used to measure air pressure?

a. mercurial barometer

b. aneroid barometer

c. barograph

d. anemometer



5. An altimeter is an adaptation of the __________.

a. mercurial barometer

b. aneroid barometer

c. barograph

d. anemometer



6. The force that generates wind is __________.

a. Coriolis force

b. gravity force

c. centrifugal force

d. pressure gradient force



7. Which of these factors influence the magnitude of the Coriolis force?

a. wind speed

b. latitude

c. wind direction

d. both wind speed and latitude



8. Lines on a weather map connecting places of equal air pressure are called __________.

a. isovectors

b. isobars

c. isotherms

d. isogrids



9. Closely spaced isobars often indicate __________.

a. high winds

b. variable winds

c. light winds

d. cyclonic winds



10. A steep pressure gradient __________.

a. would be depicted by widely spaced isobars

b. produces strong winds

c. is only possible in the tropics

d. produces light winds



11. Widely spaced isobars often indicate __________.

a. high winds

b. variable winds

c. light winds

d. cyclonic winds



12. The Coriolis effect influences __________.

a. only wind speed

b. only wind direction

c. both wind speed and wind direction

d. neither wind speed nor wind direction



13. In the Northern Hemisphere, the winds associated with a low pressure system (cyclone) blow __________.

a. clockwise and toward the center

b. counterclockwise and toward the center

c. clockwise and outward from the center

d. counterclockwise and outward from the center



14. In the Northern Hemisphere, winds associated with a high pressure system blow __________.

a. clockwise and toward the center

b. counterclockwise and toward the center

c. clockwise and outward from the center

d. counterclockwise and outward from the center



15. If Earth were not rotating __________.

a. it would lose its atmosphere

b. air would move directly from high to low pressure

c. all air would move in one direction only

d. friction would be eliminated



16. Upper air winds __________.

a. are generally faster than surface winds

b. are unaffected by the Coriolis force

c. are greatly influenced by friction

d. both a. and b



17. High air pressure systems are usually associated with __________.

a. diverging winds

b. descending air

c. clear weather

d. all of these



18. Low air pressure systems are usually associated with __________.

a. diverging winds

b. descending air

c. precipitation

d. clear weather



19. In the Southern Hemisphere, the winds associated with a low pressure system blow __________.

a. clockwise and toward the center

b. counterclockwise and toward the center

c. clockwise and outward from the center

d. counterclockwise and outward from the center



20. If "fair" weather is approaching, the pressure tendency would probably be __________.

a. steady

b. rising

c. falling

d. none of these



21. If stormy weather is approaching, the pressure tendency would probably be __________.

a. steady

b. rising

c. falling

d. none of these



22. Most of the United States is situated in which zone of prevailing winds?

a. trade winds

b. subpolar easterlies

c. westerlies

d. doldrums



23. Another name for the area of subtropical highs is __________.

a. subpolar easterlies

b. westerlies

c. doldrums

d. horse latitudes



24. The Sahara and Australian deserts (among others) are associated with the __________.

a. subtropical high

b. equatorial low

c. subpolar low

d. subpolar low



25. This pressure zone is associated with abundant precipitation and warm temperatures.

a. subtropical high

b. equatorial low

c. subpolar low

d. subpolar low



26. The subpolar low (polar front) is

a. a zone where the trade winds meet

b. the forward edge of the Antarctic ice cap

c. a zone where the polar easterlies and the westerlies converge

d. the boundary between frozen and liquid



27. When are upper air winds fastest?

a. in summer

b. in winter

c. whenever the temperature gradient is weak

d. these winds maintain roughly the same speeds throughout the year



28. A Santa Ana (or Chinook or Foehn) wind is a __________.

a. wind associated with a blizzard

b. cold, damp wind blowing off a snow field

c. wind that is common to the world's deserts

d. very dry, warm wind flowing down a mountain slope



29. A sea breeze usually originates during the __________.

a. evening and flows toward the land

b. day and flows toward the land

c. evening and flows toward the water

d. day and flows toward the water



30. A land breeze usually originates during the __________.

a. evening and flows toward the land

b. day and flows toward the land

c. evening and flows toward the water

d. day and flows toward the water



31. Fast moving currents of air found near the top of the troposphere are called __________.

a. mesocyclones

b. chinooks

c. jet streams

d. El Niño



32. What is the technical name for a high pressure center?

a. cyclone

b. anticyclone

c. front

d. doldrums
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