Question 1

How many Weather Forecast Offices (WFOs)are there in the United States?

Accepted Answer

A) 36 
B) 67 
C) 119 
D) 1,200 
A) 36 
B) 67 
C) 119 
D) 1,200

Question 2

List two methods used by scientists at the Climate Prediction Center as they prepare long-range forecasts.

Accepted Answer

Any two of these:
(i

Question 3

This forecast is issued at designated times each day and extends out to a week into the future.

Accepted Answer

A) zone forecast 
B) extended forecast 
C) nowcast 
D) none of these 
A) zone forecast 
B) extended forecast 
C) nowcast 
D) none of these

Question 4

What is the Advanced Weather Interactive Processing System (AWIPS)and how is it used in weather forecasting?

Accepted Answer

AWIPS is a powerful workstation that is

Question 5

A forecast model that consistently over or under forecasts certain weather predictors suffers from

Accepted Answer

A) computational migraines. 
B) forecast bias. 
C) lack of data. 
D) poor data assimilation. 
A) computational migraines. 
B) forecast bias. 
C) lack of data. 
D) poor data assimilation.

Question 6

Observations are used to supply values corresponding to the starting or current state of the atmosphere for all of the variables carried in the model.

Accepted Answer

A) analysis 
B) prediction 
C) post-processing 
D) none of these 
A) analysis 
B) prediction 
C) post-processing 
D) none of these

Question 7

The drawback of the following images is that their data can only be used from daylight hours.

Accepted Answer

A) visible images 
B) infrared images 
C) water vapor images 
D) radar images 
A) visible images 
B) infrared images 
C) water vapor images 
D) radar images

Question 8

The prediction phase of forecasting

Accepted Answer

A) involves using the governing equations. 
B) applies equations only once. 
C) is not run on a computer. 
D) is used only in short-term forecasts. 
A) involves using the governing equations. 
B) applies equations only once. 
C) is not run on a computer. 
D) is used only in short-term forecasts.

Question 9

This is the proper order of the forecasting phases.

Accepted Answer

A) analysis, prediction, post-processing 
B) prediction, post-processing, analysis 
C) prediction, analysis, post-processing 
D) post-processing, prediction, analysis 
A) analysis, prediction, post-processing 
B) prediction, post-processing, analysis 
C) prediction, analysis, post-processing 
D) post-processing, prediction, analysis

Question 10

Ensemble forecasting

Accepted Answer

A) is rarely used. 
B) uses several runs for the same forecast period. 
C) cancels out the chaos effect. 
D) allows accurate forecasting for at least two weeks. 
A) is rarely used. 
B) uses several runs for the same forecast period. 
C) cancels out the chaos effect. 
D) allows accurate forecasting for at least two weeks.

Question 11

The numerical models used by today's forecasters span about this many size magnitudes.

Accepted Answer

A) three 
B) five 
C) seven 
D) nine 
A) three 
B) five 
C) seven 
D) nine

Question 12

How many times a day are radiosondes launched for upper-air data?

Accepted Answer

A) once 
B) twice 
C) three 
D) four 
A) once 
B) twice 
C) three 
D) four

Question 13

300 mb maps

Accepted Answer

A) plot conditions in the lower stratosphere. 
B) are at a height of approximately 12 miles above sea level. 
C) are not very useful for detecting Rossby waves. 
D) are useful for monitoring jet streams. 
A) plot conditions in the lower stratosphere. 
B) are at a height of approximately 12 miles above sea level. 
C) are not very useful for detecting Rossby waves. 
D) are useful for monitoring jet streams.

Question 14

Define and explain the differences between forecast quality and forecast value.

Accepted Answer

Forecast quality refers to the

Question 15

Medium-range forecasts

Accepted Answer

A) are longer in Europe than in the United States. 
B) typically predict the weather for the next two to four days. 
C) use essentially the same procedures as short-term forecasting. 
D) uses statistics rather than a numerical approach. 
A) are longer in Europe than in the United States. 
B) typically predict the weather for the next two to four days. 
C) use essentially the same procedures as short-term forecasting. 
D) uses statistics rather than a numerical approach.

Question 16

It is NOT true that

Accepted Answer

A) high pressure areas have downward vertical motions. 
B) high pressure areas are associated with clear weather. 
C) winds rotate clockwise around low pressure areas in the Northern Hemisphere. 
D) wind speeds increase as isobar spacing decreases. 
A) high pressure areas have downward vertical motions. 
B) high pressure areas are associated with clear weather. 
C) winds rotate clockwise around low pressure areas in the Northern Hemisphere. 
D) wind speeds increase as isobar spacing decreases.

Question 17

Sea surface temperature forecasts are based on

Accepted Answer

A) an analog statistical model. 
B) a "canonical" statistical model based on correlations measured over space and time. 
C) a numerical model. 
D) all of the these 
A) an analog statistical model. 
B) a "canonical" statistical model based on correlations measured over space and time. 
C) a numerical model. 
D) all of the these

Question 18

What is the main difference in operation between the current NEXRAD Doppler radar and the dual-polarization radars of the future?

Accepted Answer

Current NEXRAD radars only sen

Question 19

The steepness of the temperature profiles relative to the dry and wet adiabats indicates the

Accepted Answer

A) wind shear. 
B) humidity. 
C) stability. 
D) lifted index. 
A) wind shear. 
B) humidity. 
C) stability. 
D) lifted index.

Question 20

The type of weather forecast that uses information from past well-known conditions that are similar to current conditions is called

Accepted Answer

A) the analog approach. 
B) numerical weather forecasting. 
C) climatological forecasting. 
D) persistence forecasting. 
A) the analog approach. 
B) numerical weather forecasting. 
C) climatological forecasting. 
D) persistence forecasting.

How many Weather Forecast Offices (WFOs)are there in the United States?

List two methods used by scientists at the Climate Prediction Center as they prepare long-range forecasts.

This forecast is issued at designated times each day and extends out to a week into the future.

What is the Advanced Weather Interactive Processing System (AWIPS)and how is it used in weather forecasting?

A forecast model that consistently over or under forecasts certain weather predictors suffers from

Observations are used to supply values corresponding to the starting or current state of the atmosphere for all of the variables carried in the model.

The drawback of the following images is that their data can only be used from daylight hours.

The prediction phase of forecasting

This is the proper order of the forecasting phases.

Ensemble forecasting

The numerical models used by today's forecasters span about this many size magnitudes.

How many times a day are radiosondes launched for upper-air data?

300 mb maps

Define and explain the differences between forecast quality and forecast value.

Medium-range forecasts

It is NOT true that

Sea surface temperature forecasts are based on

What is the main difference in operation between the current NEXRAD Doppler radar and the dual-polarization radars of the future?

The steepness of the temperature profiles relative to the dry and wet adiabats indicates the

The type of weather forecast that uses information from past well-known conditions that are similar to current conditions is called

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

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Exam 13: Weather Forecasting and Analysis

How many Weather Forecast Offices (WFOs)are there in the United States?

List two methods used by scientists at the Climate Prediction Center as they prepare long-range forecasts.

This forecast is issued at designated times each day and extends out to a week into the future.

What is the Advanced Weather Interactive Processing System (AWIPS)and how is it used in weather forecasting?

A forecast model that consistently over or under forecasts certain weather predictors suffers from

Observations are used to supply values corresponding to the starting or current state of the atmosphere for all of the variables carried in the model.

The drawback of the following images is that their data can only be used from daylight hours.

The prediction phase of forecasting

This is the proper order of the forecasting phases.

Ensemble forecasting

The numerical models used by today's forecasters span about this many size magnitudes.

How many times a day are radiosondes launched for upper-air data?

300 mb maps

Define and explain the differences between forecast quality and forecast value.

Medium-range forecasts

It is NOT true that

Sea surface temperature forecasts are based on

What is the main difference in operation between the current NEXRAD Doppler radar and the dual-polarization radars of the future?

The steepness of the temperature profiles relative to the dry and wet adiabats indicates the

The type of weather forecast that uses information from past well-known conditions that are similar to current conditions is called

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters