Question 1

​Which weather advisory is issued when falling or blowing snow and winds of at least 35 miles per hour restrict visibility to less than 1/4 mile for several hours?

Accepted Answer

A)  ​tornado warning 
B)  ​hurricane warning 
C)  ​snow advisory 
D)  ​blizzard warning 
E)  ​snow warning 
A)  ​tornado warning 
B)  ​hurricane warning 
C)  ​snow advisory 
D)  ​blizzard warning 
E)  ​snow warning

Question 2

List some of the factors that affect the accuracy of atmospheric models.​

Accepted Answer

Answers may vary. There are a number of

Question 3

Predicting the weather by weather types employs the ____________________.​

Accepted Answer

The answer of Predicting the weather by weather types employs...

Question 4

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

Accepted Answer

A)  ​five 
B)  ​seven 
C)  ​ten 
D)  ​dozens of 
E)  ​thousands of 
A)  ​five 
B)  ​seven 
C)  ​ten 
D)  ​dozens of 
E)  ​thousands of

Question 5

​Suppose that where you live, the middle of January is typically several degrees warmer than the rest of the month. If you forecast this "January thaw" for the middle of next January, what type of a weather forecast will you have made?

Accepted Answer

A)  ​ensemble forecast 
B)  ​common forecast 
C)  ​seasonal outlook 
D)  ​nowcast 
E)  ​probability forecast 
A)  ​ensemble forecast 
B)  ​common forecast 
C)  ​seasonal outlook 
D)  ​nowcast 
E)  ​probability forecast

Question 6

​____ tend to steer the movement of surface pressure systems.

Accepted Answer

A)  ​Cumulus clouds 
B)  ​Doppler radar 
C)  ​Winds aloft 
D)  ​Ensemble forecasts 
E)  ​Stationary fronts. 
A)  ​Cumulus clouds 
B)  ​Doppler radar 
C)  ​Winds aloft 
D)  ​Ensemble forecasts 
E)  ​Stationary fronts.

Question 7

A probability forecast that calls for a "40 percent chance of rain" means that​

Accepted Answer

A)  ​there is a 40 percent chance that it will not rain within the forecast area. 
B)  ​there is a 40 percent chance that any random place in the forecast area will receive measurable rain. 
C)  ​it will rain on 40 percent of the forecast area. 
D)  ​it will rain during 40 percent of the time over the forecast area. 
E)  ​it will definitely rain. 
A)  ​there is a 40 percent chance that it will not rain within the forecast area. 
B)  ​there is a 40 percent chance that any random place in the forecast area will receive measurable rain. 
C)  ​it will rain on 40 percent of the forecast area. 
D)  ​it will rain during 40 percent of the time over the forecast area. 
E)  ​it will definitely rain.

Question 8

In 300 B.C., Theophrastus, a pupil of Aristotle compiled all sorts of weather indicators in his book called ____________________.​

Accepted Answer

The answer of In 300 B.C., Theophrastus, a pupil of...

Question 9

​Which of the following can cause errors in forecasts made by numerical weather prediction models?

Accepted Answer

A)  ​computers cannot predict the short-range future 
B)  ​the model captures too many fine scale details 
C)  ​there is too much data to predict the weather 
D)  ​inadequate representation of pertinent meteorological processes 
E)  ​too many different types of data are assimilated in a model 
A)  ​computers cannot predict the short-range future 
B)  ​the model captures too many fine scale details 
C)  ​there is too much data to predict the weather 
D)  ​inadequate representation of pertinent meteorological processes 
E)  ​too many different types of data are assimilated in a model

Question 10

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 11

​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 12

What local signs in the natural world can you look to to predict the weather?​

Accepted Answer

Because the weather affects every aspect

Question 13

Doppler radar is helpful for measuring precipitation, but not wind.

Accepted Answer

A) True 
 B)False

Question 14

​Thickness charts help forecasters

Accepted Answer

A)  ​identify cloud patterns. 
B)  ​locate stratospheric disturbances. 
C)  ​predict the length of sunshine on a day. 
D)  ​predict whether falling precipitation will be rain or snow. 
E)  ​provide information on Sun angles in specific locations. 
A)  ​identify cloud patterns. 
B)  ​locate stratospheric disturbances. 
C)  ​predict the length of sunshine on a day. 
D)  ​predict whether falling precipitation will be rain or snow. 
E)  ​provide information on Sun angles in specific locations.

Question 15

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

Accepted Answer

Teleconnections are types of interaction

Question 16

​Very short-range forecasts often utilize which of the following forecast methods?

Accepted Answer

A)  ​steady-state or trend method 
B)  ​pattern recognition method 
C)  ​ensemble method 
D)  ​both the steady-state (trend method) and ensemble methods 
E)  ​both the steady-state (trend method) and pattern recognition methods 
A)  ​steady-state or trend method 
B)  ​pattern recognition method 
C)  ​ensemble method 
D)  ​both the steady-state (trend method) and ensemble methods 
E)  ​both the steady-state (trend method) and pattern recognition methods

Question 17

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 18

A type of dynamic instability known as ____________________ develops from the deepening of an upper trough as the result of high wind speeds, cold air moving southward, warm air moving northward, and a shortwave moving into a longwave trough.

Accepted Answer

baroclinic

Question 19

​​Which of the following is the least likely to be a forecaster's rule of thumb?

Accepted Answer

A)  ​For short time intervals, mid-latitude cyclonic storms and fronts tend to move in the same direction and at approximately the same speed as they did during the previous six hours. 
B)  ​Low pressure areas tend to move in a direction that parallels the isobars in the warm air sector. 
C)  ​Lows tend to move toward the region of greatest pressure drop. 
D)  ​Highs tend to move toward the region of greatest pressure drop. 
E)  ​A "chance of rain" means that the chance of rain is 30-50 percent. 
A)  ​For short time intervals, mid-latitude cyclonic storms and fronts tend to move in the same direction and at approximately the same speed as they did during the previous six hours. 
B)  ​Low pressure areas tend to move in a direction that parallels the isobars in the warm air sector. 
C)  ​Lows tend to move toward the region of greatest pressure drop. 
D)  ​Highs tend to move toward the region of greatest pressure drop. 
E)  ​A "chance of rain" means that the chance of rain is 30-50 percent.

Question 20

​A comma cloud is

Accepted Answer

A)  an organized band of clouds that looks like a comma on a satellite photograph.​ 
B)  ​a large cumulonimbus cloud whose anvil is in the shape of a comma. 
C)  ​a high wispy cirrus cloud that takes on the shape of a comma. 
D)  ​the spiraling arms of a hurricane. 
E)  ​a band of high cirrus clouds blown by the jet stream. 
A)  an organized band of clouds that looks like a comma on a satellite photograph.​ 
B)  ​a large cumulonimbus cloud whose anvil is in the shape of a comma. 
C)  ​a high wispy cirrus cloud that takes on the shape of a comma. 
D)  ​the spiraling arms of a hurricane. 
E)  ​a band of high cirrus clouds blown by the jet stream.

Which weather advisory is issued when falling or blowing snow and winds of at least 35 miles per hour restrict visibility to less than 1/4 mile for several hours?

List some of the factors that affect the accuracy of atmospheric models.

Predicting the weather by weather types employs the ____________________.

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

Suppose that where you live, the middle of January is typically several degrees warmer than the rest of the month. If you forecast this "January thaw" for the middle of next January, what type of a weather forecast will you have made?

____ tend to steer the movement of surface pressure systems.

A probability forecast that calls for a "40 percent chance of rain" means that

In 300 B.C., Theophrastus, a pupil of Aristotle compiled all sorts of weather indicators in his book called ____________________.

Which of the following can cause errors in forecasts made by numerical weather prediction models?

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

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

What local signs in the natural world can you look to to predict the weather?

Doppler radar is helpful for measuring precipitation, but not wind.

Thickness charts help forecasters

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

Very short-range forecasts often utilize which of the following forecast methods?

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 type of dynamic instability known as ____________________ develops from the deepening of an upper trough as the result of high wind speeds, cold air moving southward, warm air moving northward, and a shortwave moving into a longwave trough.

Which of the following is the least likely to be a forecaster's rule of thumb?

A comma cloud is

Earth and Its Atmosphere

Energy - Warming the 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

​Which weather advisory is issued when falling or blowing snow and winds of at least 35 miles per hour restrict visibility to less than 1/4 mile for several hours?

List some of the factors that affect the accuracy of atmospheric models.​

Predicting the weather by weather types employs the ____________________.​

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

​Suppose that where you live, the middle of January is typically several degrees warmer than the rest of the month. If you forecast this "January thaw" for the middle of next January, what type of a weather forecast will you have made?

​____ tend to steer the movement of surface pressure systems.

A probability forecast that calls for a "40 percent chance of rain" means that​

In 300 B.C., Theophrastus, a pupil of Aristotle compiled all sorts of weather indicators in his book called ____________________.​

​Which of the following can cause errors in forecasts made by numerical weather prediction models?

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

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

What local signs in the natural world can you look to to predict the weather?​

Doppler radar is helpful for measuring precipitation, but not wind.

​Thickness charts help forecasters

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

​Very short-range forecasts often utilize which of the following forecast methods?

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 type of dynamic instability known as ____________________ develops from the deepening of an upper trough as the result of high wind speeds, cold air moving southward, warm air moving northward, and a shortwave moving into a longwave trough.

​​Which of the following is the least likely to be a forecaster's rule of thumb?

​A comma cloud is

Earth and Its Atmosphere

Energy - Warming the 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

Which weather advisory is issued when falling or blowing snow and winds of at least 35 miles per hour restrict visibility to less than 1/4 mile for several hours?

List some of the factors that affect the accuracy of atmospheric models.

Predicting the weather by weather types employs the ____________________.

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

Suppose that where you live, the middle of January is typically several degrees warmer than the rest of the month. If you forecast this "January thaw" for the middle of next January, what type of a weather forecast will you have made?

____ tend to steer the movement of surface pressure systems.

A probability forecast that calls for a "40 percent chance of rain" means that

In 300 B.C., Theophrastus, a pupil of Aristotle compiled all sorts of weather indicators in his book called ____________________.

Which of the following can cause errors in forecasts made by numerical weather prediction models?

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

What local signs in the natural world can you look to to predict the weather?

Thickness charts help forecasters

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

Very short-range forecasts often utilize which of the following forecast methods?

Which of the following is the least likely to be a forecaster's rule of thumb?

A comma cloud is