1 Flashcards
1
Q
- __________ is defined as the state of the atmosphere at a particular place and time.
A
weather
2
Q
- Climate is defined as weather conditions at some locality averaged over a standard period of _____ years.
A
30 years
3
Q
- The climate of some locality governs
a. the type of crops that can be cultivated.
b. the fresh water supply.
c. the average heating and cooling requirements for homes.
d. All of the above are correct.
A
d. All of the above are correct.
4
Q
- Depending on local topography, the maximum range of broadcasts of the NOAA weather radio is about ____________ kilometers.
a. 65
b. 100
c. 20
d. 30
A
65
5
Q
- ____________ is used to describe the weight of the overlying air.
a. Relative humidity
b. Dewpoint
c. Pressure
d. Temperature
A
Pressure
6
Q
- __________ pressure systems are usually accompanied by fair weather and __________ pressure systems are usually accompanied by stormy weather.
a. High……………low
b. Low……………high
A
High —–low
7
Q
- ____________ is (are) typically found near the center of a high pressure system.
a. Strong winds
b. Light winds or calm air
c. Rainy weather
d. Lightning
A
Light winds or calm air
8
Q
- Viewed from above in the Northern Hemisphere, surface winds in a low pressure system blow
a. clockwise and inward.
b. clockwise and outward.
c. counterclockwise and inward.
d. counterclockwise and outward.
A
Counterclockwise and inward
9
Q
- From your experience, weather systems usually cross the coterminous United States in
a. less than an hour.
b. several days.
c. one to two months.
d. several years.
A
Several days
10
Q
- Weather systems in the middle latitudes of the Earth generally move in the direction towards the
a. east.
b. south.
c. west.
d. north.
A
east
11
Q
- Viewed from above in the Northern Hemisphere, surface winds blow ___________ about the center of a high pressure system.
a. clockwise and outward
b. clockwise and inward
c. counterclockwise and outward
d. counterclockwise and inward
A
clockwise and outward
12
Q
- Air temperatures tend to be relatively low to the ___________ of a low pressure system.
a. east and south
b. north and west
A
north and west
13
Q
- As a general rule, lows that track from west to east across southern Canada produce ___________ precipitation compared to lows that track along the Gulf of Mexico coast.
a. more
b. less
c. about the same amount of
A
less
14
Q
- An air mass is a huge volume of air that is relatively uniform horizontally in
a. temperature.
b. humidity.
c. Both of the above are correct.
A
both are correct
15
Q
- A front is a narrow zone of transition between air masses that contrast in
a. temperature.
b. humidity.
c. Either or both of the above are correct.
A
either or both
16
Q
- The temperature and moisture characteristics of an air mass depend on
a. the phase of the Moon.
b. the properties of the surface over which the air mass resides and travels.
c. conditions in the upper atmosphere.
d. None of the above is correct.
A
b. the properties of the surface over which the air mass resides and travels.
17
Q
- Often associated with a front is (are)
a. cloudiness.
b. precipitation.
c. ascending air.
d. All of the above are correct.
A
all
18
Q
- __________ fronts are associated with cloudiness and precipitation over a broad geographical area.
a. Cold
b. Warm
A
cold
19
Q
- At the same humidity (water vapor concentration), a cold air mass is _________ a warm air mass.
a. denser than
b. less dense than
c. equally as dense as
A
denser than
20
Q
- Most cloudiness and precipitation associated with a cold front occur as a relatively _________ band along or just ahead of where the front intersects Earth’s surface.
a. narrow
b. broad
A
narrow