Meteorology Test Ch. 5

69 cards

meteorology﷯﷯ ﷯ ﷯﷯﷯﷯﷯﷯


 
  
Created Nov 14, 2011
by
treknird

 

 
Table View
 
Download
 
Print

Flashcard Set Preview

  Side A   Side B
1
Relative humidity in cities is usually _____ compared to rural areas.
 
lower
2
What is the basic reason why condensation is not very important in causing a cloud droplet...
 
condenation is too slow
3
Dew point is the temperature at which water vapor in the air begins to condense. The temperature...
 
about equal to the dew point
4
The _______ cloud may have an "anvil head"
 
cumulonimbus
5
A ________ consists of two compartments each capable of holding 0.025 cm of water.
 
tipping-bucket gauge
6
When warm moist air moves over a cold surface, _______ fog may result.
 
advection
7
Clouds, dew, and frost all form because air has become saturated. This condition of saturation...
 
the air being cooled
8
If ice crystals form in this cloud, they will experience the cloud environment as having a...
 
more than 100%
9
A halo around the Sun or Moon indicates the cloud _______ is present.
 
cirrostratus
10
The necessary conditions for hail formation include strong upward vertical motion and...
 
large numbers of supercooled droplets
11
Of the following cloud types, which is most likely to produce the most rain?
 
nimbostratus
12
A cloud type that develops as a consequence of local convection is...
 
cumulus
13
A wintertime form of precipitation that consists of small ice particles is called...
 
none of these
14
The most common way for air to be cooled in order that a cloud may form is by...
 
rising and expanding
15
Freezing rain (ice storm) or sleet occurs when...
 
upper air is warm and surface air is cold
16
Which type of cloud is most likely to form a halo around the Sun or Moon?
 
cirrostratus
17
This cloud sometimes produces mare's tails.
 
cirrus
18
This growth from cloud droplet to raindrop occurs mainly because of...
 
collision and coalescence
19
The intensity of rainfall can be calculated with data from a...
 
weighing gauge
20
The cloud form that is best described as sheets or layers that cover much or all of the sky...
 
alto
21
Wind speeds in the city, compared to rural areas,  are...
 
about 25% less
22
Why are high altitude clouds always so thin?
 
very little water vapor is present
23
A cumulus cloud is recognized mainly by its...
 
obvious vertical dimension
24
Atmospheric electricity is believed to play an important role in...
 
collision-coalescence process
25
This fog results from adiabatic cooling
 
none of these (upslope)
26
The ______ may result in snow or rain.
 
Bergeon process
27
The word 'radiation' in the term radiation fog refers to...
 
radiant energy lost by the ground
28
Supercooled water is water which is...
 
still liquid at temperatures below 0degreeC
29
In order for water condensation to occur,
 
a and b
30
Clouds are classified and named according to their altitude and...
 
form or appearance
31
Clouds that form in air that is very stable will usually be...
 
stratus
32
Which one of the fogs listed below may be categorized as an evaporation fog?
 
steam fog
33
The conditions that persist along the West Coast of the US that are conducive to fog formation...
 
moist air moving over a cold surface
34
Clouds and precipitation form in the air primarily due to...
 
air being cooled as it rises
35
Which of the following is not generally true of urban climates?
 
higher relative humidity
36
One aspect of the _______ theory relies on the fact that different-sized cloud droplets fall...
 
collision-coalescence process
37
Which of the following does not contribute to urban-induced precipitation increases?
 
higher relative humidity in cities
38
Thunder and lightning are associated with the _______ cloud.
 
cumulonimbus
39
A _______ is a layer of dark gray clouds that produces precipitation.
 
nimbostratus
40
The formation of raindrops by collision and coalescence of smaller cloud droplets is strongly...
 
electrical charges on the droplets
41
Clouds which have extensive vertical dimensions are...
 
 cumulus
42
The most common source of cloud condensation nuclei is...
 
combustion by-products (pollution)
43
Condensation nuclei may be formed from...
 
all of the above
44
The _______ makes use of a spring balance.
 
weighing gauge
45
A ________ magnifies rainfall ten times.
 
standard rain gauge
46
"Anvil head" is a term applied to:
 
cumulonimbus clouds
47
The most important process for cloud formation in the atmosphere is...
 
cooling by expansion of the air
48
This fog is found in valleys at night and in the early morning:
 
radiation fog
49
Cumulus clouds...
 
all of these
50
The water content or volume of a raindrop is approx. ____ times that of a typical cloud droplet.
 
1 million
51
The cloud droplets in a cloud are formed by water vapor molecules and...
 
condensation nuclei
52
Dew is most likely to form on...
 
clear calm nights
53
Hail is most commonly associated with...
 
cumulonimbus clouds
54
The _______ cloud is confined to the middle height range.
 
altostratus
55
Hail suppression:
 
relies primarily on cloud seeding with silver iodine
56
Pollutants may:
 
all of the above
57
The important difference between liquid droplets and ice crystals in a supercooled cloud is...
 
grow much more rapidly
58
Cloud seeding is used:
 
in all of the ways listed above
59
Which of these is a mid-level cloud?
 
none of these
60
The process by which a cloud droplet first forms is
 
condensation
61
Fog is usually a result of an air having been...
 
either a) or c)
62
Why do clouds represent a source of heat for the atmosphere?
 
cloud formation releases latent heat to the air
63
This method of frost prevention relies heavily on the release of latent heat of fusion:
 
sprinklers
64
Which of these clouds is least likely to produce precipitation that reaches the ground?
 
cirrostratus
65
Cloud seeding experiments have yielded the result of...
 
all of the above
66
Freezing nuclei are part of the...
 
Bergeon process
67
Cloud seeding with silver iodine is based on the...
 
Bergeon process
68
On which day of the week would someone living in or downwind of a city expect the least precipitation...
 
Sunday
69
The _______ is associated with supercooled clouds.
 
Bergeon process

No comments yet! Be the first to add a comment below!

Please login to post comments.
After login, we will forward you back to this flashcard.


Upgrade and get a lot more done!
Upgrade    Cancel