Meteorology
Practice Test
1.
__________ is used to measure the speed of raindrops toward or away from a specific point.
a.
a radiosonde
b.
ASOS
c.
A ceilometer
d.
Doppler radar
2.
Long-term variations in weather for a particular area make up the __________ of an area.
a.
weather
b.
stability
c.
meteorology
d.
climate
3.
What type of instrument is used to measure wind speed?
a.
a barometer
b.
a hygrometer
c.
an anemometer
d.
a ceilometer
4.
What is the current state of the atmosphere called?
a.
weather
b.
climate
c.
rain
d.
stability
5.
What is a large body of air that takes on the characteristics of the area over which it forms?
a.
a weather system
b.
a climate
c.
an air mass
d.
a cloud
6.
Which location on the map shows an area of low pressure?
Click here for figure
a.
Winnipeg, Canada
b.
Syracuse, New York
c.
Atlanta, Georgia
d.
Winslow, Arizona
7.
What type of instrument probably was not used to provide the information in the station model pictured in the figure?
a.
anemometer
b.
thermometer
c.
barometer
d.
Doppler radar
8.
According to the station model shown in the figure, how much has the barometric pressure changed over the last three hours?
a.
--1.2 millibars
b.
12 millibars
c.
1.2 millibars
d.
--12 millibars
9.
What causes the Coriolis effect?
a.
seasons
b.
Earth's tilted axis
c.
the prevailing westerlies
d.
Earth's rotation
10.
In the figure, what type of front is coming through Canada and into Colorado?
Click here for figure
a.
cold
b.
stationary
c.
occluded
d.
warm
11.
A forecast that relies on numerical data is called __________.
a.
an isopleth
b.
a station model
c.
a digital forecast
d.
an analog forecast
12.
What are four- to seven-day forecasts based on?
a.
observation of cloud and precipitation movement
b.
current weather
c.
patterns and cycles
d.
circulation patterns of the troposphere
13.
In __________, warm air displaces cold air and it develops a gradual frontal slope.
a.
an occluded front
b.
a stationary front
c.
a cold front
d.
a warm front
14.
Use the table to infer something about the climate of this area.
Mon
Tue
Wed
Thurs
Fri
Sat
Sun
Average temperature (°C)
23.3
22.2
22.2
15.6
16.7
16.7
17.8
Rainfall (cm)
0
0
3.31
0
0
0
0
Relative humidity
40‰
60‰
100‰
80‰
60‰
50‰
40‰
Air pressure (mb)
1000
998
-
-
-
-
-
a.
It is often very cold.
b.
It is often very hot.
c.
Rainfall is extremely common.
d.
It receives occasional rainfall.
15.
What is the network of weather stations located across the United States called?
a.
weather radar system
b.
a ceilometer
c.
radiosondes
d.
Automated Surface Observing System (ASOS)
16.
High-pressure systems usually are associated with __________ and low-pressure systems are associated with __________.
a.
clouds and precipitation, fair weather
b.
fair weather, clouds and precipitation
c.
the jet stream, fronts
d.
fair weather, fair weather
17.
A forecast that involves comparing current weather patterns to past weather patterns is called __________.
a.
a digital forecast
b.
a station model
c.
an analog forecast
d.
an isobar
18.
The exchange of heat or moisture between an air mass and the underlying surface is called __________.
a.
air mass modification
b.
climate
c.
air mass convection
d.
air mass weather
19.
In __________, warm air is squeezed upward between two cold air masses.
a.
an occluded front
b.
a cold front
c.
a warm front
d.
a stationary front
20.
What instrument is used to measure temperature?
a.
a barometer
b.
a thermometer
c.
a radiosonde
d.
an anemometer
