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Meteorology Review

Total questions: 97

Worksheet time: 59mins

Name
Class
Date
1.

What is the boundary between two air masses called?

a)

front

b)

barometer

c)

maritime

d)

occluded

2.

Which type of front occurs when a cold air mass replaces a warm air mass? (See image above)

a)

stationary front

b)

warm front

c)

cold front

d)

back door front

3.

Name this front.

a)

cold front

b)

warm front

c)

stationary front

d)

cloud front

4.

Which instrument measures air pressure?

a)

anemometer

b)

barometer

c)

thermometer

d)

weather balloon

5.

This instrument measure wind speed.

a)

wind vane

b)

anemometer

c)

thermometer

d)

barometer

6.

A ___________ measure wind direction.

a)

weather balloon

b)

compass rose

c)

wind vane

d)

barometer

7.

Which diagram (A or B) shows a HIGH pressure system?

a)

A

b)

B

8.

Which diagram illustrates a LOW pressure system?

a)

A

b)

B

9.

What do meteorologists (weather scientists) use to show areas with equal atmospheric pressure?

a)

colored flags

b)

dots on the map

c)

isobars

d)

compass rose

10.

Why does cold air sink?

a)

It is more dense.

b)

It is less dense.

c)

It is sad.

d)

It just does.

11.

In a low pressure system, which direction does the air flow? (use the picture of the hurricane to help)

a)

clockwise

b)

counterclockwise

12.

What is the average air pressure at sea-level?

a)

31.25 Hg (inches of mercury)

b)

29.92 Hg (inches of mercury)

c)

25.17 Hg (inches of mercury)

d)

32 Hg (inches of mercury)

13.

Which of the following determines the properties of an air mass?

a)

The conditions of the area over which it forms

b)

The phase and position of the moon when it forms

c)

The exact time of year when it forms

d)

The geology of the area where it forms

14.
Compared to a warmer air mass, a colder air mass
a)
can hold more water
b)
can hold less water
c)
is less dense
d)
is lighter
15.

Name the front

a)

cold front

b)

warm front

c)

flags

d)

stationary front

16.

Name the front

a)

cold front

b)

hot seat

c)

stationary front

d)

warm front

17.

Name the front

a)

warm front

b)

stationary front

c)

cold front

d)

ice cream cones

18.

What does the "H" on the weather map mean

a)

hot air

b)

high temperature

c)

high pressure

d)

humid

19.

Which is caused by differences in air pressure?

a)

Snow

b)

Rain

c)

Clouds

d)

Wind

20.
Is this a land or a sea breeze?
a)
land breeze
b)
sea breeze
21.
According to the symbol , what is the current temperature?
a)
75
b)
65
c)
23
d)
50
22.
According to the symbol , what is known about the wind? 
a)

75 Knots fronm the southeast

b)

15 Knots from the southeast

c)

23 Knots

d)

15 Knots from the northwest

23.

The temperature at which air reaches a state where it can hold no more water vapor and condensation occurs.

a)

Boiling point

b)

Condensation

c)

Dew Point

24.
What tool is used to measure air pressure?
a)
thermometer
b)
anemometer
c)
psychrometer
d)
barometer
25.

The picture is showing examples of what?

a)

Global winds

b)

Local winds

c)

Sea breezes

d)

Land Breezes

26.

Winds occur because hot air rises and cool air sinks in a process called:

a)

conduction

b)

convection

c)

radiation

d)

magnetism

27.
How do differences in air pressure affect the movement of air?
a)
Air always moves from areas of high pressure to areas of low pressure.
b)
Air always moves from areas of low altitudes to high altitudes.
c)
Air always moves from areas of low pressure to areas of high pressure.
d)
Air always moves from east to west.
28.

The rotation of the Earth causes winds to bend due to the...

a)

coriolis effect

b)

doldrums

c)

trade winds

d)

westerlies

29.
This instrument measures wind speed.
a)
thermometer
b)
barometer
c)
anemometer
d)
hygrometer
30.

Sling psychrometers and hygrometers measure ___.

a)
amount of rain
b)
temperature
c)
air pressure
d)
humidity
31.

A line drawn to connect points of equal atmosphere.

a)

Isobar

b)

Contour Line

c)

Topo line

d)

Meteoline

32.

Convert 30°C into Kelvin.

a)

252K

b)

316°C

c)

303K

d)

-163°C

33.

Convert 589 Kelvin into °C.

a)

252K

b)

316°C

c)

303K

d)

-163°C

34.

Convert 110 Kelvin into °C.

a)

252K

b)

316°C

c)

303K

d)

-163°C

35.

Convert 0°C into °F.

a)

7.2°C

b)

32°C

c)

32°F

d)

212°F

36.

Convert 100°C into °F.

a)

7.2°C

b)

32°C

c)

32°F

d)

212°F

37.

Convert 24°C into °F.

a)

7.2°C

b)

32°C

c)

75.2°F

d)

°68

38.

Convert 20°C into °F.

a)

7.2°C

b)

32°C

c)

75.2°F

d)

°68

39.

Air in a low pressure system moves

a)

outward

b)

inward

40.

Air in a low pressure system moves

a)

clockwise

b)

counterclockwise

41.

Air in a high pressure system moves...

a)

clockwise

b)

counterclockwise

42.

Air in a high pressure system moves...

a)

outward

b)

inward

43.

low pressure

a)

counterclockwise and inward

b)

counterclockwise and outward

c)

clockwise and inward

d)

clockwise and outward

44.

high pressure

a)

counterclockwise and inward

b)

counterclockwise and outward

c)

clockwise and inward

d)

clockwise and outward

45.
what are isobars?
a)
lines connecting places of equal temperature
b)
lines drawn connecting places of equal pressure
c)
lines drawn to places of different temperatures
d)
lines drawn to places of different pressures
46.

Convert 1016.0 mb to in of Hg.... use ESRT pg 13

a)

30.70

b)

30.00

c)

29.20

d)

28.50

47.

Convert 29.50 in of Hg to mb.... using ESRT pg 13

a)

999.0

b)

1020.0

c)

976.0

d)

1040.0

48.
Based on the information in the table, in which city will it most likely rain?
a)
City W
b)
City X
c)
 City Y
d)
City Z
49.
a)

will be hotter

b)

will be windy

c)

will be relatively calm

d)

will be cold

50.

What is the average air pressure exerted by Earth's atmosphere at sea level, expressed in millibars and inches of mercury?

a)

1013.25 mb and 29.92 in of Hg

b)

29.92 mb and 1013.25 in of Hg

c)

1012.65 mb and 29.91 in of Hg

d)

29.91 mb and 1012.65 in of Hg

51.

Which graph best represents the change in air pressure as air temperature increases at Earth's surface?

a)
b)
c)
d)
52.

An air pressure of 1023 millibars is equal to how many inches of mercury?

a)

30.10

b)

30.15

c)

30.19

d)

30.21

53.

An air pressure of 29.65 inches of mercury is equal to

a)

984.0 mb

b)

999.0 mb

c)

1001.0 mb

d)

1004.0 mb

54.

The temperature at which water condenses is referred to as the

a)

relative humidity

b)

dewpoint

c)

50% humidity

d)

freezing point

55.

What is the relative humidity if the dry bulb temp. is 14º C and the wet bulb temp. is 14º C?

(a)  

56.

What is the relative humidity if the dry bulb temp. is 14º C and the wet bulb temp. is 10º C?

(a)  

57.

A dry-bulb temperature of 18°C and a wet-bulb temperature of 13°C were recorded at a weather station. What is the relative humidity?

(a)  

58.

The diagram below shows dry-bulb and wet-bulb temperature readings for a parcel of air. What is the dewpoint of the air?

a)

27°C

b)

10°C

c)

3°C

d)

–5°C

59.

What is the relative humidity when the dry-bulb temperature is 16°C and the wet-bulb temperature is 14°C?

a)

90%

b)

80%

c)

14%

d)

13%

60.

The diagram below represents the wet-bulb and dry-bulb temperatures on a sling psychrometer. What was the relative humidity of the air when these temperatures were recorded?

a)

5%

b)

17%

c)

20%

d)

63%

61.

What is the relative humidity if the dry-bulb temperature is 16°C and the wet-bulb temperature is 10°C?

a)

4%

b)

37%

c)

45%

d)

16%

62.

What is the dewpoint when the air temperature is 28°C and the relative humidity is 47%?

a)

8°C

b)

13°C

c)

16°C

d)

19°C

63.

What is the relative humidity when the air temperature is 26°C and the dewpoint is 20oC?

(a)  

64.

What is the relative humidity when the air temperature is 28°C and the dewpoint is 28oC?

(a)  

65.

How are Hurricanes formed?

a)

When a thunderstorm travels across the ocean.

b)

When hot air mixes with colder air.

c)

When sugar canes fall from the sky.

66.

How are Tornados formed?

a)

When a thunderstorm travels across the ocean.

b)

When warm air mixes with colder air.

c)

When a Twister finds farm animals.

67.

What makes a Flood different than a Drought? (Click all that apply).

a)

Floods drain all water from the land.

b)

Floods overflow water in an area.

c)

Floods cause wildfires.

d)

Floods do not cause crop damage.

68.
Do sea breezes typically happen during the day or night?
a)
Day
b)
Night
69.
Do land breezes typically happen during the day or night?
a)
Day
b)
Night
70.
In a sea breeze, the air is warmer above the _____.
a)
land
b)
ocean
c)
sky
d)
beach
71.
Where does the initial source of energy come from that creates winds?
a)
the moon
b)
the sun
c)
the Earth's surface
d)
the rotation of the Earth
72.
Why does warm air rise?
a)
Warm air is more dense than cooler air.
b)
Warm air has more pressure than cooler air.
c)
Warm air is less dense than cooler air.
d)
Warm air has a higher dew point than cooler air.
73.
Why do land breezes occur at night?
a)
Land cools off slower than water, so the air above water is cooler.
b)
Water cools off faster than land, so the air above land is warmer.
c)
Land heats up slower than water, so the air stays cooler during the day.
d)
Water cools off slower than land, so the air above water is warmer.
74.

The image shows a weather map with different pressure systems. What type of weather would Texas be having right now?

a)

clear, sunny, dry weather

b)

rainy, cloudy, stormy weather

75.
What does symbol # 3 mean?
a)
stationary front
b)
occluded front
c)
warm front
d)
cold front
76.
Which type of front is pictured?
a)
Cold front
b)
Warm front
c)
Occluded front
d)
Stationary front
77.
Which system results in rainy or stormy weather?
a)
high pressure
b)
low pressure
c)
hurricane
d)
weather system
78.
Which system results in drier, fairer weather?
a)
high pressure
b)
low pressure
c)
hurricane
d)
weather system
79.

What type of front is shown?

a)

Warm Front

b)

Cold Front

c)

Occluded Front

d)

Stationary Front

80.

What is the dewpoint for the following station model?

a)

10 ºF

b)

23 ºF

c)

65 ºF

d)

75 ºF

81.

What is the present weather for the following station model?

a)

rain

b)

thunderstorms

c)

drizzle

d)

fog

82.

What is the amount of precipitation for the following station model?

a)

.15 in

b)

1/4 in

c)

6 in

d)

46 in

83.

What is the visibility for the following station model?

a)

1/2 mi

b)

9 mi

c)

42 mi

d)

59 mi

84.

What is the wind direction for the following station model?

a)

north

b)

east

c)

northwest

d)

northeast

85.

What is the wind speed for the following station model?

a)

10 knots

b)

15 knots

c)

20 knots

d)

25 knots

86.

What is the station model code for a barometric pressure of 1019.5 mb?

a)

101

b)

195

c)

019

d)

119

87.

What is the barometric pressure for the following station model?

a)

987 mb

b)

998.7 mb

c)

1098.7 mb

d)

1098 mb

88.

What is the barometric trend for the following station model?

a)

steady 31 mb drop

b)

steady 31 mb rise

c)

steady 3.1 mb drop

d)

steady 3.1 mb rise

89.

What is the amount of cloud cover for the following station model?

a)

25%

b)

50%

c)

75%

d)

100%

90.

Which weather station shows the highest relative humidity?

a)

1

b)

2

c)

3

d)

4

91.

What is the temperature?

a)

37 degrees

b)

55 degrees

c)

138 degrees

d)

3 degrees

92.
Is this a land or a sea breeze?
a)
land breeze
b)
sea breeze
93.
Is this a land or a sea breeze?
a)
land breeze
b)
sea breeze
94.

What does mT mean?

a)

cold and dry

b)

cold and wet

c)

warm and wet

d)

warm and dry

95.

What does cT mean?

a)

cold and dry

b)

cold and wet

c)

warm and wet

d)

warm and dry

96.

What does cP mean?

a)

cold and dry

b)

cold and wet

c)

warm and wet

d)

warm and dry

97.

What does mP mean?

a)

cold and dry

b)

cold and wet

c)

warm and wet

d)

warm and dry