Question 1

In which of the following locations is warm advection most likely to occur?

Accepted Answer

A) from the surface up to the 500 hPa level in front of a warm front 
B) in the centre of a cut-off low 
C) from the surface up to the 500 hPa level behind a cold front 
D) where the winds back with height
​
The following questions refer to the above illustration of a middle-latitude cyclone.The dashed lines show the positions of the fronts six hours ago. 
A) from the surface up to the 500 hPa level in front of a warm front 
B) in the centre of a cut-off low 
C) from the surface up to the 500 hPa level behind a cold front 
D) where the winds back with height
​
The following questions refer to the above illustration of a middle-latitude cyclone.The dashed lines show the positions of the fronts six hours ago.

Question 2

Which of the following forecast methods compares past weather maps and weather patterns to those of the present?

Accepted Answer

A) nowcasting 
B) persistence forecast 
C) analogue method 
D) trend method 
A) nowcasting 
B) persistence forecast 
C) analogue method 
D) trend method

Question 3

Which of the following statements describes what is required for a forecast to show skill?

Accepted Answer

A) It must be better than a forecast based on persistence or climatology. 
B) It must be accurate over more than 90 percent of the forecast area. 
C) It must be accurate to within 2°C of the predicted temperature. 
D) It must use the analogue method of forecasting. 
A) It must be better than a forecast based on persistence or climatology. 
B) It must be accurate over more than 90 percent of the forecast area. 
C) It must be accurate to within 2°C of the predicted temperature. 
D) It must use the analogue method of forecasting.

Question 4

Which of the following describes the least accurate method of predicting the weather two days in advance during changeable weather conditions?

Accepted Answer

A) analogue method 
B) trend method 
C) persistence forecast 
D) prediction by weather types 
A) analogue method 
B) trend method 
C) persistence forecast 
D) prediction by weather types

Question 5

Which of the following forecast methods are often used for very short-range weather forecasting?

Accepted Answer

A) steady-state forecast and pattern recognition method 
B) ensemble forecast and pattern recognition method 
C) analogue method and ensemble forecast 
D) steady-state forecast and analogue method
The following questions refer to the above illustration of a middle-latitude cyclone.The dashed lines show the positions of the fronts six hours ago. 
A) steady-state forecast and pattern recognition method 
B) ensemble forecast and pattern recognition method 
C) analogue method and ensemble forecast 
D) steady-state forecast and analogue method
The following questions refer to the above illustration of a middle-latitude cyclone.The dashed lines show the positions of the fronts six hours ago.

Question 6

Which of the following problems arise because the grid spacing in modern computer forecasting models has become increasingly smaller?

Accepted Answer

A) Small-scale weather features can be resolved by the models. 
B) Mesoscale weather features cannot be predicted. 
C) Atmosphere-oceans interactions cannot be resolved. 
D) Many more computations are needed. 
A) Small-scale weather features can be resolved by the models. 
B) Mesoscale weather features cannot be predicted. 
C) Atmosphere-oceans interactions cannot be resolved. 
D) Many more computations are needed.

Question 7

To accurately depict a middle-latitude cyclone and to forecast the cyclone's movement, about how far apart should weather observing stations be?

Accepted Answer

To accurately depict a middle-latitude c

Question 8

Describe the data and tools that a meteorologist assembles prior to making a weather forecast.

Accepted Answer

The answer of Describe the data and tools that a...

Question 9

Suppose it is warm and raining, and a cold front is moving toward your location. Directly behind the cold front, the weather is cold and snowing, and further behind the front, it is cold and clearing. The front is scheduled to pass your area in six hours. Which of the following describes the persistence forecast for your area 12 hours from now?

Accepted Answer

A) cold and clearing 
B) cold and cloudy 
C) cold and snowing 
D) warm and raining 
A) cold and clearing 
B) cold and cloudy 
C) cold and snowing 
D) warm and raining

Question 10

Which of the following terms refers to the forecasting method that produces several versions of a forecast model, each one beginning with slightly different weather information to reflect errors in the measurements?

Accepted Answer

A) climatological forecasting 
B) redundancy analysis 
C) ensemble forecasting 
D) persistence forecasting 
A) climatological forecasting 
B) redundancy analysis 
C) ensemble forecasting 
D) persistence forecasting

Question 11

Which of the following conditions would likely prompt the issuing of a weather watch?

Accepted Answer

A) Heavy snow has been falling over the forecast area. 
B) There is a chance for tornadoes tomorrow. 
C) Presently, extremely high winds are occurring at mountain summits. 
D) A tornado has been sighted at the outskirts of town. 
A) Heavy snow has been falling over the forecast area. 
B) There is a chance for tornadoes tomorrow. 
C) Presently, extremely high winds are occurring at mountain summits. 
D) A tornado has been sighted at the outskirts of town.

Question 12

For which of the following locations would a forecast of an extended period of dry weather be made?

Accepted Answer

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

Question 13

Which of the following describes a situation for which the Canadian Meteorological Service would release a warning for a severe thunderstorm?

Accepted Answer

A) Conditions are favourable for wind gusts of 90 km/h or more 
B) Conditions are favourable for less than 50 mm of rainfall. 
C) Hail less than 2 cm in diameter is occurring. 
D) Winds gusts of 90 km/h or more are occurring. 
A) Conditions are favourable for wind gusts of 90 km/h or more 
B) Conditions are favourable for less than 50 mm of rainfall. 
C) Hail less than 2 cm in diameter is occurring. 
D) Winds gusts of 90 km/h or more are occurring.

Question 14

Which of the following is currently a problem with modern-day weather predictions?

Accepted Answer

A) There are regions of the world where observations are sparse. 
B) Computer forecast models make assumptions about the atmosphere that are never correct. 
C) Computer models inadequately interpret the influence of the surface on the weather. 
D) The distance between grid points on some models is too small to pick up storm systems. 
A) There are regions of the world where observations are sparse. 
B) Computer forecast models make assumptions about the atmosphere that are never correct. 
C) Computer models inadequately interpret the influence of the surface on the weather. 
D) The distance between grid points on some models is too small to pick up storm systems.

Question 15

List some of the ways that you can predict the future movement of surface middle-latitude cyclones.

Accepted Answer

There are several ways to predict the fu

Question 16

Which of the following forecast methods would be used to determine the probability of a white Christmas?

Accepted Answer

A) persistence 
B) climatological 
C) ensemble 
D) analogue 
A) persistence 
B) climatological 
C) ensemble 
D) analogue

Question 17

Which of the following describes the length of a medium-range forecast?

Accepted Answer

A) 2 days 
B) 7 days 
C) 15 days 
D) 30 days 
A) 2 days 
B) 7 days 
C) 15 days 
D) 30 days

Question 18

The following questions refer to the above illustration of a middle-latitude cyclone. The dashed lines show the positions of the fronts six hours ago.
-At which location represented by the four positions on the map would you expect to hear the following 12-hour forecast: "Clearing and colder today with continued rising pressure"?

Accepted Answer

A) position 1 
B) position 2 
C) position 3 
D) position 4 
A) position 1 
B) position 2 
C) position 3 
D) position 4

Question 19

When examining a surface map, which of the following factors can be used to predict the movement of a surface low-pressure area?

Accepted Answer

A) orientation of the isobars behind a cold front 
B) orientation of the isobars in front of warm front 
C) movement during the previous two hours 
D) region of greatest pressure decrease 
A) orientation of the isobars behind a cold front 
B) orientation of the isobars in front of warm front 
C) movement during the previous two hours 
D) region of greatest pressure decrease

Question 20

-In which direction will the storm system apparently move?

Accepted Answer

A) northeast 
B) southeast 
C) east 
D) northwest 
A) northeast 
B) southeast 
C) east 
D) northwest

In which of the following locations is warm advection most likely to occur?

Which of the following forecast methods compares past weather maps and weather patterns to those of the present?

Which of the following statements describes what is required for a forecast to show skill?

Which of the following describes the least accurate method of predicting the weather two days in advance during changeable weather conditions?

Which of the following forecast methods are often used for very short-range weather forecasting?

Which of the following problems arise because the grid spacing in modern computer forecasting models has become increasingly smaller?

To accurately depict a middle-latitude cyclone and to forecast the cyclone's movement, about how far apart should weather observing stations be?

Describe the data and tools that a meteorologist assembles prior to making a weather forecast.

Which of the following terms refers to the forecasting method that produces several versions of a forecast model, each one beginning with slightly different weather information to reflect errors in the measurements?

Which of the following conditions would likely prompt the issuing of a weather watch?

For which of the following locations would a forecast of an extended period of dry weather be made?

Which of the following describes a situation for which the Canadian Meteorological Service would release a warning for a severe thunderstorm?

Which of the following is currently a problem with modern-day weather predictions?

List some of the ways that you can predict the future movement of surface middle-latitude cyclones.

Which of the following forecast methods would be used to determine the probability of a white Christmas?

Which of the following describes the length of a medium-range forecast?

When examining a surface map, which of the following factors can be used to predict the movement of a surface low-pressure area?

-In which direction will the storm system apparently move?

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

Weather Forecasting

Thunderstorms

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters

Exam 15: Tornadoes

In which of the following locations is warm advection most likely to occur?

Which of the following forecast methods compares past weather maps and weather patterns to those of the present?

Which of the following statements describes what is required for a forecast to show skill?

Which of the following describes the least accurate method of predicting the weather two days in advance during changeable weather conditions?

Which of the following forecast methods are often used for very short-range weather forecasting?

Which of the following problems arise because the grid spacing in modern computer forecasting models has become increasingly smaller?

To accurately depict a middle-latitude cyclone and to forecast the cyclone's movement, about how far apart should weather observing stations be?

Describe the data and tools that a meteorologist assembles prior to making a weather forecast.

Which of the following terms refers to the forecasting method that produces several versions of a forecast model, each one beginning with slightly different weather information to reflect errors in the measurements?

Which of the following conditions would likely prompt the issuing of a weather watch?

For which of the following locations would a forecast of an extended period of dry weather be made?

Which of the following describes a situation for which the Canadian Meteorological Service would release a warning for a severe thunderstorm?

Which of the following is currently a problem with modern-day weather predictions?

List some of the ways that you can predict the future movement of surface middle-latitude cyclones.

Which of the following forecast methods would be used to determine the probability of a white Christmas?

Which of the following describes the length of a medium-range forecast?

When examining a surface map, which of the following factors can be used to predict the movement of a surface low-pressure area?

-In which direction will the storm system apparently move?

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

Weather Forecasting

Thunderstorms

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters