Question 1

Probably the easiest weather forecast to make is a statistical forecast.

Accepted Answer

A) True 
 B)False  False

Question 2

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

Question 3

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. B

Question 4

Because the many weather variables are constantly changing,meteorologists have devised atmospheric models that describe the present state of the atmosphere.These are not physical models that paint a picture of a developing storm;they are,rather,mathematical models consisting of many equations that describe how atmospheric temperature,pressure,winds,and moisture will change with time.

Accepted Answer

A) True 
 B)False

Question 5

Suppose there are two cloud layers above you.The lower cloud layer is moving from a westerly direction,while the higher cloud layer is moving from a northwesterly direction.From this observation you conclude that the wind is ____ with height and ____ advection is occurring between the cloud layers.

Accepted Answer

A) backing;cold 
B) backing;warm 
C) ​veering;cold 
D) ​veering;warm 
E) ​backing;no 
A) backing;cold 
B) backing;warm 
C) ​veering;cold 
D) ​veering;warm 
E) ​backing;no

Question 6

By examining a surface map,the movement of a surface low pressure area can be predicted because

Accepted Answer

A) low-pressure areas tend to move parallel to isobars of the warm sector. 
B) lows tend to move toward the area with the greatest pressure. 
C) ​movement is the same as it was during the previous 24 hours. 
D) ​once a low is established it always moves toward the east at double the original speed. 
E) ​current weather in the region will remain the same. 
A) low-pressure areas tend to move parallel to isobars of the warm sector. 
B) lows tend to move toward the area with the greatest pressure. 
C) ​movement is the same as it was during the previous 24 hours. 
D) ​once a low is established it always moves toward the east at double the original speed. 
E) ​current weather in the region will remain the same.

Question 7

Computer forecast models make certain assumptions about the atmosphere that are not always correct.

Accepted Answer

A) True 
 B)False

Question 8

Predicting the weather by weather types employs which forecasting method?

Accepted Answer

A) probability 
B) steady-state 
C) ​analog 
D) ​persistence 
E) ​guess 
A) probability 
B) steady-state 
C) ​analog 
D) ​persistence 
E) ​guess

Question 9

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 10

You are in Calgary,Alberta,Canada,100 km (62 mi)east of the Rockies in January.The current wind is from the north.Looking at a prog for tomorrow,you see that the wind will be from the west,hence tomorrow's temperature will be ____ today.​

Accepted Answer

A) warmer than​ 
B) colder than 
C) ​the same as 
D) ​colder and drier 
E) ​the same but more humid than 
A) warmer than​ 
B) colder than 
C) ​the same as 
D) ​colder and drier 
E) ​the same but more humid than

Question 11

If low clouds at an elevation of 3000 ft above you are moving from the southeast,and clouds about 8000 ft higher are moving from the southwest ____________________ advection is taking place between the cloud layers.

Accepted Answer

The answer of If low clouds at an elevation of...

Question 12

Weather forecasts are commonly grouped according to how far into the future the forecast extends.

Accepted Answer

A) True 
 B)False

Question 13

What type of forecast method do you think would be most appropriate for a short range (6 to 12 hours),a medium range (24 to 48 hours),a long range (5 to 10 days),or a seasonal (3 month)forecast?​

Accepted Answer

Short-range forecasts may incorporate a

Question 14

How are computer-generated weather forecasts prepared?​

Accepted Answer

The models are programmed into the compu

Question 15

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,you would have made a

Accepted Answer

A) forecast based on the analogue method. 
B) persistence forecast. 
C) ​forecast based on weather types. 
D) ​probability forecast. 
E) ​climatological forecast. 
A) forecast based on the analogue method. 
B) persistence forecast. 
C) ​forecast based on weather types. 
D) ​probability forecast. 
E) ​climatological forecast.

Question 16

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 temperature 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 temperature 6 to 10 days into the future.

Question 17

Meteorologists interpret the weather patterns and then correct any errors that may be present.The final chart is referred to as a prediction.

Accepted Answer

A) True 
 B)False

Question 18

A weather forecast for the immediate future that employs the trend method is called

Accepted Answer

A) nowcasting. 
B) extrapolation. 
C) ​first order forecasting. 
D) ​linear forecasting. 
E) ​persistence forecasting. 
A) nowcasting. 
B) extrapolation. 
C) ​first order forecasting. 
D) ​linear forecasting. 
E) ​persistence forecasting.

Question 19

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 20

Which below is least likely to be a condition associated with an omega high?

Accepted Answer

A) It is in the shape of the Greek letter "omega." 
B) It is known as a "blocking high." 
C) ​It forms when the flow aloft is zonal. 
D) ​It tends to persist in the same geographic area for many days. 
E) ​It keeps troughs in their positions. 
A) It is in the shape of the Greek letter "omega." 
B) It is known as a "blocking high." 
C) ​It forms when the flow aloft is zonal. 
D) ​It tends to persist in the same geographic area for many days. 
E) ​It keeps troughs in their positions.

Probably the easiest weather forecast to make is a statistical forecast.

Weather forecast that predicts that the future weather will be the same as the present weather is called

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

Suppose there are two cloud layers above you.The lower cloud layer is moving from a westerly direction,while the higher cloud layer is moving from a northwesterly direction.From this observation you conclude that the wind is with height and advection is occurring between the cloud layers.

By examining a surface map,the movement of a surface low pressure area can be predicted because

Computer forecast models make certain assumptions about the atmosphere that are not always correct.

Predicting the weather by weather types employs which forecasting method?

Thickness charts help forecasters

You are in Calgary,Alberta,Canada,100 km (62 mi)east of the Rockies in January.The current wind is from the north.Looking at a prog for tomorrow,you see that the wind will be from the west,hence tomorrow's temperature will be ____ today.

If low clouds at an elevation of 3000 ft above you are moving from the southeast,and clouds about 8000 ft higher are moving from the southwest ____________________ advection is taking place between the cloud layers.

Weather forecasts are commonly grouped according to how far into the future the forecast extends.

What type of forecast method do you think would be most appropriate for a short range (6 to 12 hours),a medium range (24 to 48 hours),a long range (5 to 10 days),or a seasonal (3 month)forecast?

How are computer-generated weather forecasts prepared?

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,you would have made a

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

Meteorologists interpret the weather patterns and then correct any errors that may be present.The final chart is referred to as a prediction.

A weather forecast for the immediate future that employs the trend method is called

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

Which below is least likely to be a condition associated with an omega high?

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

Probably the easiest weather forecast to make is a statistical forecast.

Weather forecast that predicts that the future weather will be the same as the present weather is called

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

Suppose there are two cloud layers above you.The lower cloud layer is moving from a westerly direction,while the higher cloud layer is moving from a northwesterly direction.From this observation you conclude that the wind is ____ with height and ____ advection is occurring between the cloud layers.

By examining a surface map,the movement of a surface low pressure area can be predicted because

Computer forecast models make certain assumptions about the atmosphere that are not always correct.

Predicting the weather by weather types employs which forecasting method?

Thickness charts help forecasters

You are in Calgary,Alberta,Canada,100 km (62 mi)east of the Rockies in January.The current wind is from the north.Looking at a prog for tomorrow,you see that the wind will be from the west,hence tomorrow's temperature will be ____ today.​

If low clouds at an elevation of 3000 ft above you are moving from the southeast,and clouds about 8000 ft higher are moving from the southwest ____________________ advection is taking place between the cloud layers.

Weather forecasts are commonly grouped according to how far into the future the forecast extends.

What type of forecast method do you think would be most appropriate for a short range (6 to 12 hours),a medium range (24 to 48 hours),a long range (5 to 10 days),or a seasonal (3 month)forecast?​

How are computer-generated weather forecasts prepared?​

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,you would have made a

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

Meteorologists interpret the weather patterns and then correct any errors that may be present.The final chart is referred to as a prediction.

A weather forecast for the immediate future that employs the trend method is called

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

Which below is least likely to be a condition associated with an omega high?

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

Suppose there are two cloud layers above you.The lower cloud layer is moving from a westerly direction,while the higher cloud layer is moving from a northwesterly direction.From this observation you conclude that the wind is with height and advection is occurring between the cloud layers.

You are in Calgary,Alberta,Canada,100 km (62 mi)east of the Rockies in January.The current wind is from the north.Looking at a prog for tomorrow,you see that the wind will be from the west,hence tomorrow's temperature will be ____ today.

What type of forecast method do you think would be most appropriate for a short range (6 to 12 hours),a medium range (24 to 48 hours),a long range (5 to 10 days),or a seasonal (3 month)forecast?

How are computer-generated weather forecasts prepared?