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  • Topic: Precipitation, Weather front, Warm front
  • Pages : 5 (457 words )
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  • Published : November 8, 2011
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At the same surface air pressure, which one of the following air masses is least dense? Answer
| | maritime tropical|
| | arctic|
| | maritime polar|
| | continental tropical|
| | continental polar|

Air pressure drops more rapidly in a column of
Answer
| | cold air.|
| | warm air.|

 
Scientists predict that the American Southwest will experience ____________ in precipitation over the present century. Answer
| | a decrease|
| | an increase|
 
The Santa Ana wind is an example of a
Answer
| | chinook-type wind.|
| | katabatic wind.|
| | mountain breeze.|
| | valley breeze.|
| | sea breeze.|

A squall line contains which type of clouds?
Answer
| | cirrus|
| | stratus|
| | cumulonimbus|
| | cirrostratus|
| | None of these is correct.|

An anticyclone features
Answer
| | formation of a uniform air mass.|
| | cold and warm fronts.|
| | generally fair skies.|
| | All of the above are correct.|
| | Only a and c are correct.|

Ocean waters of the North Pacific and North Atlantic are source regions for which type of air mass? Answer
| | A|
| | mP|
| | mT|
| | cP|
| | cT|
A monsoon climate typically features
Answer
| | wet summers and dry winters.|
| | wet summers and wet winters.|
| | dry summers and wet winters.|
| | dry summers and dry winters.|
| | |

Overrunning occurs when warm, humid air flows up and over a(n) ____________ air mass. Answer
| | colder|
| | even warmer|

In which type of front does warm air advance and cold air retreat? Answer
| | warm front|
| | cold front|
| | stationary front|

What is the shorthand designation for a warm and humid air mass? Answer
| | A|
| | mP|
| | mT|
| | cP|
| | cT|

Viewed from above in the Northern Hemisphere, surface winds in an extratropical cyclone blow Answer
| | clockwise and inward.|
| | clockwise and outward.|
| | counterclockwise and inward.|
| | counterclockwise and outward.|

Which property defines a front?
Answer
| | differences in temperature and/or humidity|
| | wind shift|
| | convergence of winds|
| | trough in the pressure pattern|
| | All of the above are correct.|

Warm fronts typically travel ____________ cold fronts.
Answer
| | faster than|
| | slower than|
| | at the same speed as|

A sea breeze is strongest
Answer
| | around sunrise.|
| | in the middle afternoon.|
| | around sunset.|

A land breeze is caused by the
Answer
| | land cooling more than the water at night.|
| | water cooling more than the land at night.|
| | Coriolis Effect.|

Synoptic climatology examines how __________ influence regional and local climate. Answer
| | air masses|
| | fronts|
| | cyclones|
| | anticyclones|
| | All of the above are correct.|

Pacific air flowing eastward over the Rocky Mountains typically emerges ____________ on the Great Plains. Answer
| | colder and less humid|
| | colder and more humid|
| | warmer and less humid|
| | warmer and more humid|

During frontogenesis, the difference in density between adjacent air masses Answer
| | decreases.|
| | stays the same.|
| | increases.|
Circulation in the semi-permanent subtropical anticyclones ____________ with increasing altitude. Answer
| | weakens|
| | remains the same|
| | strengthens|

 
A ____________ air mass undergoes the greatest temperature change between winter and summer. Answer
| | maritime tropical|
| | maritime polar|
| | continental tropical|
| | continental polar|
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