Question 1

A forecast that extends beyond three days is often called an outlook.

Accepted Answer

A) True 
 B)False

Question 2

​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 3

It is possible to make a short-range weather prediction based on a surface weather map.

Accepted Answer

A) True 
 B)False

Question 4

​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.

Question 5

​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 6

​Lines connecting points of equal pressure change are called

Accepted Answer

A)  ​isobars. 
B)  ​isograds. 
C)  ​contours. 
D)  isotherms.​ 
E)  ​isallobars. 
A)  ​isobars. 
B)  ​isograds. 
C)  ​contours. 
D)  isotherms.​ 
E)  ​isallobars.

Question 7

​With the ____ method, a forecaster might look at a prog and say "I've seen this weather situation before, and so and so happened, so I think the same thing will happen here."

Accepted Answer

A)  ​historical 
B)  ​seasonal 
C)  ​persistence 
D)  ​analog 
E)  ​predictive 
A)  ​historical 
B)  ​seasonal 
C)  ​persistence 
D)  ​analog 
E)  ​predictive

Question 8

Another aid in weather forecasting is the use of ____________________-a two-dimensional vertical profile of temperature, dew point, and winds.​

Accepted Answer

The answer of Another aid in weather forecasting is the...

Question 9

These days the precise location where a tornado will form can be predicted up to 7 days in advance.

Accepted Answer

A) True 
 B)False

Question 10

Given a map with isallobars, high pressure systems tend to move where the isallobars indicate ____________________ values, and low pressure systems move where the isallobars are ____________________.

Accepted Answer

The answer of Given a map with isallobars, high pressure...

Question 11

List some of the ways that you can predict the development of a surface middle latitude storm.​

Accepted Answer

Answers may vary, but should be similar

Question 12

Describe the difference between persistence and steady-state forecasts.

Accepted Answer

A persistence forecast is simply a predi

Question 13

A long-range forecast is a forecast that extends beyond about​

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 14

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 15

A downside of high-resolution models is that, as the horizontal spacing between grid points decreases, the number of computations increases. When the distance is halved, there are 8 times as many computations to perform, and the time (and computational expense) required to run the model goes up by a factor of 16.

Accepted Answer

A) True 
 B)False

Question 16

​An analysis is a

Accepted Answer

A)  ​forecast chart that shows the atmosphere at some future time. 
B)  forecast chart that compares past weather maps with those of the present. 
C)  ​surface or upper-level chart that interprets the present weather patterns. 
D)  ​forecast method used in long range weather prediction. 
E)  ​method used to determine skill in predicting the weather. 
A)  ​forecast chart that shows the atmosphere at some future time. 
B)  forecast chart that compares past weather maps with those of the present. 
C)  ​surface or upper-level chart that interprets the present weather patterns. 
D)  ​forecast method used in long range weather prediction. 
E)  ​method used to determine skill in predicting the weather.

Question 17

​A forecast of "chance of precipitation" means the probability of precipitation is

Accepted Answer

A)  ​between 0 and 20 percent. 
B)  ​between 30 and 50 percent. 
C)  ​between 50 and 60 percent. 
D)  ​between 60 and 70 percent. 
E)  ​greater than 80 percent. 
A)  ​between 0 and 20 percent. 
B)  ​between 30 and 50 percent. 
C)  ​between 50 and 60 percent. 
D)  ​between 60 and 70 percent. 
E)  ​greater than 80 percent.

Question 18

​Surface weather information is provided by more than ____ land-based stations and hundreds of ships and buoys providing surface weather information at least four times a day.

Accepted Answer

A)  ​100 
B)  ​10,000 
C)  ​100,000 
D)  ​1,000,000 
E)  ​10,000,000 
A)  ​100 
B)  ​10,000 
C)  ​100,000 
D)  ​1,000,000 
E)  ​10,000,000

Question 19

State the methods used in forecasting the movement of surface pressure systems and fronts.

Accepted Answer

There are several methods we can use in

Question 20

​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$\degree$C 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$\degree$C 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 forecast that extends beyond three days is often called an outlook.

Predicting the weather by weather types employs which forecasting method?

It is possible to make a short-range weather prediction based on a surface weather map.

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

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

Lines connecting points of equal pressure change are called

With the ____ method, a forecaster might look at a prog and say "I've seen this weather situation before, and so and so happened, so I think the same thing will happen here."

Another aid in weather forecasting is the use of ____________________-a two-dimensional vertical profile of temperature, dew point, and winds.

These days the precise location where a tornado will form can be predicted up to 7 days in advance.

Given a map with isallobars, high pressure systems tend to move where the isallobars indicate values, and low pressure systems move where the isallobars are .

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

Describe the difference between persistence and steady-state forecasts.

A long-range forecast is a forecast that extends beyond about

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.

An analysis is a

A forecast of "chance of precipitation" means the probability of precipitation is

Surface weather information is provided by more than ____ land-based stations and hundreds of ships and buoys providing surface weather information at least four times a day.

State the methods used in forecasting the movement of surface pressure systems and fronts.

For a forecast to show skill it must

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

A forecast that extends beyond three days is often called an outlook.

​Predicting the weather by weather types employs which forecasting method?

It is possible to make a short-range weather prediction based on a surface weather map.

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

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

​Lines connecting points of equal pressure change are called

​With the ____ method, a forecaster might look at a prog and say "I've seen this weather situation before, and so and so happened, so I think the same thing will happen here."

Another aid in weather forecasting is the use of ____________________-a two-dimensional vertical profile of temperature, dew point, and winds.​

These days the precise location where a tornado will form can be predicted up to 7 days in advance.

Given a map with isallobars, high pressure systems tend to move where the isallobars indicate ____________________ values, and low pressure systems move where the isallobars are ____________________.

List some of the ways that you can predict the development of a surface middle latitude storm.​

Describe the difference between persistence and steady-state forecasts.

A long-range forecast is a forecast that extends beyond about​

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.​

​An analysis is a

​A forecast of "chance of precipitation" means the probability of precipitation is

​Surface weather information is provided by more than ____ land-based stations and hundreds of ships and buoys providing surface weather information at least four times a day.

State the methods used in forecasting the movement of surface pressure systems and fronts.

​For a forecast to show skill it must

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

Predicting the weather by weather types employs which forecasting method?

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

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

Lines connecting points of equal pressure change are called

With the ____ method, a forecaster might look at a prog and say "I've seen this weather situation before, and so and so happened, so I think the same thing will happen here."

Another aid in weather forecasting is the use of ____________________-a two-dimensional vertical profile of temperature, dew point, and winds.

Given a map with isallobars, high pressure systems tend to move where the isallobars indicate values, and low pressure systems move where the isallobars are .

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

A long-range forecast is a forecast that extends beyond about

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.

An analysis is a

A forecast of "chance of precipitation" means the probability of precipitation is

Surface weather information is provided by more than ____ land-based stations and hundreds of ships and buoys providing surface weather information at least four times a day.

For a forecast to show skill it must