Free Practice Quiz Question List

7 Weather Observation and Forecasting Online Quiz Questions

Use this free practice quiz with 20 questions to review 7 Weather Observation and Forecasting, test your knowledge, and prepare for your next test or exam.

20 questions

Choose one

1 point

A forecaster wants to determine whether a nearby rain band is approaching, intensifying, or moving away. Which product is most useful?

A
A single surface station report
B
A radar loop
C
A single satellite image
D
An upper-air map

True or false

1 point

True or false: Satellite images directly describe all weather conditions at the surface.

A
True
B
False

Fill in the blank

1 point

A surface analysis map brings observations together for a particular time; it is a of conditions.

Written response

1 point

What does the abbreviation NWP stand for in weather forecasting?

Choose one

1 point

A forecast gives a 30% probability of precipitation (PoP) for a location during a stated period. Which interpretation is correct?

A
Rain will cover 30% of the forecast area.
B
There is a 30% chance of measurable precipitation at a particular point during the stated period.
C
Rain will last for 30% of the stated period.
D
Exactly 30% of locations will receive measurable precipitation.

Fill in the blank

1 point

In the Northern Hemisphere, friction near the ground makes winds cross isobars toward .

Written response

1 point

On a surface analysis map, what does close spacing between isobars generally indicate about the pressure gradient?

True or false

1 point

True or false: A numerical weather prediction model’s output is a finished forecast that forecasters should use without comparison or interpretation.

A
True
B
False

Choose all

1 point

You are deciding whether to change outdoor plans based on a forecast. Select all the details you should check to interpret it usefully.

A
The forecast’s valid time
B
Whether it applies to the exact location or a broad area
C
Temperature, wind, precipitation, and relevant watches or warnings
D
The headline alone, without checking its details
E
Whether the forecast has been updated

Written response

1 point

Weather balloons carry instruments that measure pressure, temperature, humidity, and winds at different heights. What are these instruments called?

Choose one

1 point

Why do forecasters examine upper-air maps alongside surface maps?

A
They show only precipitation measured at ground level.
B
They replace the need to examine surface maps.
C
They help forecasters understand how winds and temperature patterns aloft influence surface weather systems.
D
They give a complete forecast without model guidance.

Choose all

1 point

A forecaster needs observations over an ocean region with few surface stations. Select all the listed platforms that can contribute useful measurements there.

A
Satellites
B
A surface station network that is dense everywhere
C
Aircraft
D
Ships and ocean buoys
E
Radar images alone, as direct measurements at every point on the ground

Choose one

1 point

You are reading a weather map legend. Which symbol conventionally represents a warm front?

A
Blue triangles
B
Red semicircles
C
Alternating blue triangles and red semicircles
D
A solid black line without symbols

Open ended

1 point

Explain two reasons weather forecasts are uncertain and how forecasters use ensembles to assess that uncertainty. Include what similar versus widely varying ensemble results suggest, and whether agreement guarantees an outcome.

Written response

1 point

What minimum precipitation amount, in inches, counts as measurable precipitation for a probability of precipitation forecast?

Choose one

1 point

Forecasters need to monitor cloud patterns over an ocean where ground stations are sparse. Which observation system is best suited to provide that broad-area view?

A
Surface stations, because they measure every location over oceans
B
Satellites, because they observe broad areas, including oceans
C
Radar, because it directly measures surface conditions across the globe
D
Weather balloons, because they remain over one region and image its clouds

Choose one

1 point

A forecaster wants to determine whether a nearby thunderstorm is moving toward a town and inspect winds within the storm. Which tool is most useful for both tasks?

A
A satellite image, because it directly measures rainfall at every ground location
B
An upper-air map, because it tracks nearby rain bands in real time
C
A radar loop, because it shows precipitation movement and Doppler radar can reveal storm winds
D
A surface analysis map, because it shows the exact path of each storm cell

Choose one

1 point

You are comparing two surface analysis maps whose colors and symbols differ. What should you do before drawing conclusions about how conditions changed?

A
Check the map's time and legend before interpreting its symbols and colors.
B
Assume the map shows conditions for the entire day because it combines observations.
C
Ignore the legend if the map includes station readings.
D
Treat every symbol and color as standardized across all weather maps.

Choose one

1 point

A cold front is approaching a town. Which conclusion about the local weather is best supported by the map feature?

A
A front guarantees precipitation whenever it passes.
B
A front marks the center of a high-pressure system.
C
A front shows the exact amount of precipitation that will fall.
D
A front marks a boundary between air masses and can help explain changes without guaranteeing a specific kind of weather.

True or false

1 point

Forecast uncertainty often increases farther into the future, although some weather patterns remain more predictable than others.

A
True
B
False