Question 1

A long-range forecast is a forecast that extends beyond approximately ____.

Accepted Answer

A) 8.5 years 
B) 8.5 months 
C) 8.5 weeks 
D) 8.5 days 
E) 8.5 hours 
A) 8.5 years 
B) 8.5 months 
C) 8.5 weeks 
D) 8.5 days 
E) 8.5 hours

Question 2

In the course of a single workday, a typical forecaster may examine and compare ____ individual weather maps.

Accepted Answer

A) 5 
B) 7 
C) 10 
D) dozens of 
E) thousands of 
A) 5 
B) 7 
C) 10 
D) dozens of 
E) thousands of

Question 3

For a forecast to show skill it must ____.

Accepted Answer

A) be better than one based on persistence or climatology 
B) be accurate to within 2 degrees Celsius of the predicted temperature 
C) be accurate for over more than 90 percent of the forecast area 
D) use the analog method of forecasting 
E) use a probability 
A) be better than one based on persistence or climatology 
B) be accurate to within 2 degrees Celsius of the predicted temperature 
C) be accurate for over more than 90 percent of the forecast area 
D) use the analog method of forecasting 
E) use a probability

Question 4

The greatest improvement in forecasting skill during the past 30 years has been made in forecasting ____.

Accepted Answer

A) snowstorms along the eastern seaboard 
B) the development of middle latitude cyclones in the Pacific Ocean 
C) severe storm warnings for hurricanes and tornadoes 
D) the movement of warm and cold fronts 
E) maximum and minimum temperatures 6 to 10 days into the future 
A) snowstorms along the eastern seaboard 
B) the development of middle latitude cyclones in the Pacific Ocean 
C) severe storm warnings for hurricanes and tornadoes 
D) the movement of warm and cold fronts 
E) maximum and minimum temperatures 6 to 10 days into the future

Question 5

Soundings only provide information that aids in the prediction of fog, air pollution alerts, and the downwind mixing of strong winds.

Accepted Answer

A) True 
 B)False

Question 6

The most direct protection against the risk of weather-related financial downturns comes from ____.

Accepted Answer

A) linear forecasts 
B) persistence forecasts 
C) the analog method 
D) insurance 
E) futures contracts 
A) linear forecasts 
B) persistence forecasts 
C) the analog method 
D) insurance 
E) futures contracts

Question 7

A weather forecast that predicts that the future weather will be the same as the present weather is called ____.

Accepted Answer

A) a steady-state forecast 
B) the trend method 
C) a persistence forecast 
D) the analog method 
E) an extended weather forecast 
A) a steady-state forecast 
B) the trend method 
C) a persistence forecast 
D) the analog method 
E) an extended weather forecast

Question 8

Modern computer forecasting models have increasingly smaller grid spacing. This presents which of the following problems ?

Accepted Answer

A) Mesoscale weather features can be predicted. 
B) Small-scale weather features can be resolved by the models. 
C) Many more computations are needed. 
D) The vast amount of information makes it difficult to make a prediction. 
E) It takes too long to make a prediction. 
A) Mesoscale weather features can be predicted. 
B) Small-scale weather features can be resolved by the models. 
C) Many more computations are needed. 
D) The vast amount of information makes it difficult to make a prediction. 
E) It takes too long to make a prediction.

Question 9

A weather watch indicates that ____.

Accepted Answer

A) the atmospheric conditions are favorable for hazardous weather over a particular region 
B) hazardous weather is either imminent or occurring within the forecast area 
C) hazardous weather is likely to occur within the forecast area during the next 24 hours 
D) hazardous weather is frequently observed in a particular region 
E) hazardous weather is occurring in nearby areas 
A) the atmospheric conditions are favorable for hazardous weather over a particular region 
B) hazardous weather is either imminent or occurring within the forecast area 
C) hazardous weather is likely to occur within the forecast area during the next 24 hours 
D) hazardous weather is frequently observed in a particular region 
E) hazardous weather is occurring in nearby areas

Question 10

Suppose that it is presently warm and raining. A cold front will pass your area in 3 hours. Behind the front, it is cold and snowing. A persistence forecast would predict warm and rainy weather.

Accepted Answer

A) True 
 B)False

Question 11

A capable forecaster only needs computer models to predict future weather, and does not need a strong sense of how surface features typically evolve.

Accepted Answer

A) True 
 B)False

Question 12

What local signs in the natural world can you observe that enable you to predict the weather?

Accepted Answer

Because the weather affects every aspect

Question 13

List some of the ways that you can predict the development of a surface mid-latitude storm.

Accepted Answer

Answers may vary, but should be similar

Question 14

Warm advection occurs when the ____.

Accepted Answer

A) wind veers (changes direction in a clockwise manner)with height 
B) wind backs (changes direction in a counterclockwise manner)with height 
C) isotherms are parallel to the winds 
D) wind veers with height and the isotherms are parallel to the winds 
E) Sun angle is 90 degrees 
A) wind veers (changes direction in a clockwise manner)with height 
B) wind backs (changes direction in a counterclockwise manner)with height 
C) isotherms are parallel to the winds 
D) wind veers with height and the isotherms are parallel to the winds 
E) Sun angle is 90 degrees

Question 15

A forecast method that compares past weather maps and weather patterns to those of the present is ____.

Accepted Answer

A) persistence forecasting 
B) the analog method 
C) the trend method 
D) nowcasting 
E) steady-state forecasting 
A) persistence forecasting 
B) the analog method 
C) the trend method 
D) nowcasting 
E) steady-state forecasting

Question 16

Automated Surface Observing Systems (ASOS)measure ____.

Accepted Answer

A) wind speed and direction 
B) temperature and pressure 
C) cloud-base height 
D) runway visibility at various airports 
E) All of these are correct. 
A) wind speed and direction 
B) temperature and pressure 
C) cloud-base height 
D) runway visibility at various airports 
E) All of these are correct.

Question 17

A forecast of an extended period of dry weather would be made for a region beneath ____.

Accepted Answer

A) an upper-level trough 
B) the polar jet stream 
C) a cold pool of air aloft 
D) an upper-level ridge 
E) a shortwave trough 
A) an upper-level trough 
B) the polar jet stream 
C) a cold pool of air aloft 
D) an upper-level ridge 
E) a shortwave trough

Question 18

If you wanted to make a persistence forecast of minimum and maximum temperatures for a particular city, the ____ type of chart would be most helpful.

Accepted Answer

A) surface 
B) meteogram 
C) 500-mb 
D) adiabatic 
E) Doppler radar display 
A) surface 
B) meteogram 
C) 500-mb 
D) adiabatic 
E) Doppler radar display

Question 19

What are some of the ways that Doppler radar can be used in weather forecasting?

Accepted Answer

Doppler radars provide round-the-clock i

Question 20

Explain how observed teleconnection patterns can help in the preparation of a seasonal weather forecast.

Accepted Answer

Teleconnections are types of interaction

A long-range forecast is a forecast that extends beyond approximately ____.

In the course of a single workday, a typical forecaster may examine and compare ____ individual weather maps.

For a forecast to show skill it must ____.

The greatest improvement in forecasting skill during the past 30 years has been made in forecasting ____.

Soundings only provide information that aids in the prediction of fog, air pollution alerts, and the downwind mixing of strong winds.

The most direct protection against the risk of weather-related financial downturns comes from ____.

A weather forecast that predicts that the future weather will be the same as the present weather is called ____.

Modern computer forecasting models have increasingly smaller grid spacing. This presents which of the following problems ?

A weather watch indicates that ____.

Suppose that it is presently warm and raining. A cold front will pass your area in 3 hours. Behind the front, it is cold and snowing. A persistence forecast would predict warm and rainy weather.

A capable forecaster only needs computer models to predict future weather, and does not need a strong sense of how surface features typically evolve.

What local signs in the natural world can you observe that enable you to predict the weather?

List some of the ways that you can predict the development of a surface mid-latitude storm.

Warm advection occurs when the ____.

A forecast method that compares past weather maps and weather patterns to those of the present is ____.

Automated Surface Observing Systems (ASOS)measure ____.

A forecast of an extended period of dry weather would be made for a region beneath ____.

If you wanted to make a persistence forecast of minimum and maximum temperatures for a particular city, the ____ type of chart would be most helpful.

What are some of the ways that Doppler radar can be used in weather forecasting?

Explain how observed teleconnection patterns can help in the preparation of a seasonal weather forecast.

Earth and Its Atmosphere

Energy: Warming Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation: Dew, Fog, and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind: Small-Scale and Local Systems

Wind: Global Systems

Air Masses and Fronts

Middle-Latitude Cyclones

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color and Atmospheric Optics

Filters

Exam 13: Weather Forecasting

A long-range forecast is a forecast that extends beyond approximately ____.

In the course of a single workday, a typical forecaster may examine and compare ____ individual weather maps.

For a forecast to show skill it must ____.

The greatest improvement in forecasting skill during the past 30 years has been made in forecasting ____.

Soundings only provide information that aids in the prediction of fog, air pollution alerts, and the downwind mixing of strong winds.

The most direct protection against the risk of weather-related financial downturns comes from ____.

A weather forecast that predicts that the future weather will be the same as the present weather is called ____.

Modern computer forecasting models have increasingly smaller grid spacing. This presents which of the following problems ?

A weather watch indicates that ____.

Suppose that it is presently warm and raining. A cold front will pass your area in 3 hours. Behind the front, it is cold and snowing. A persistence forecast would predict warm and rainy weather.

A capable forecaster only needs computer models to predict future weather, and does not need a strong sense of how surface features typically evolve.

What local signs in the natural world can you observe that enable you to predict the weather?

List some of the ways that you can predict the development of a surface mid-latitude storm.

Warm advection occurs when the ____.

A forecast method that compares past weather maps and weather patterns to those of the present is ____.

Automated Surface Observing Systems (ASOS)measure ____.

A forecast of an extended period of dry weather would be made for a region beneath ____.

If you wanted to make a persistence forecast of minimum and maximum temperatures for a particular city, the ____ type of chart would be most helpful.

What are some of the ways that Doppler radar can be used in weather forecasting?

Explain how observed teleconnection patterns can help in the preparation of a seasonal weather forecast.

Earth and Its Atmosphere

Energy: Warming Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation: Dew, Fog, and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind: Small-Scale and Local Systems

Wind: Global Systems

Air Masses and Fronts

Middle-Latitude Cyclones

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color and Atmospheric Optics

Filters