Question 1

Surface pressure systems tend to move in the same direction as the wind at 5500 m (18,000 ft)-the 500-mb level.The speed at which surface systems move is about double the speed of the winds at this level.

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

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 4

Assuming you know last night's minimum temperature,what weather information would you use to predict tonight's minimum temperature?​

Accepted Answer

With such little information,it would li...

Question 5

Stating that the chance of rain is 60 percent means that there is a 60 percent chance that it will rain within the forecast area.

Accepted Answer

A) True 
 B)False

Question 6

____________________,which includes more than 175 nations-is responsible for the international exchange of weather data and certifies that the observation procedures do not vary among nations.

Accepted Answer

World Meteorological...

Question 7

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.F) A) and C)
G) A) and E)

Question 8

A weather watch would probably be issued for which of the following conditions?

Accepted Answer

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

Question 9

Describe the difference between persistence and steady-state forecasts.

Accepted Answer

A persistence forecast is simply a predi...

Question 10

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.F) D) and E)
G) A) and C)

Question 11

A persistence forecast could be quite accurate when

Accepted Answer

A)  a frontal system approaches your location at constant speed.
B)  you are positioned in the middle of a large,stationary air mass.
C)  ​the weather has been unusually cold for several days.
D)  ​upper level winds blow straight from west to east.
E)  ​when a warm front is approaching.F) C) and E)
G) C) and D)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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)  ​predictiveF) A) and B)
G) B) and C)

Question 14

The analysis of a(n) ____ can be especially helpful when making a short-range forecast that covers a relatively small area,such as the mesoscale.​

Accepted Answer

A)  sounding
B)  meteogram
C)  ​Doppler radar image
D)  ​thick chart
E)  ​indexF) B) and C)
G) A) and E)

Question 15

Soundings $\underline { \text { only} }$ 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 16

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

Accepted Answer

Because the weather affects every aspect...

Question 17

Lines connecting points of equal pressure change are called

Accepted Answer

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

Question 18

A weather warning 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.F) A) and B)
G) B) and D)

Question 19

According to the National Weather Service,the subjective term "fair" implies a rather pleasant weather situation.

Accepted Answer

A) True 
 B)False

Question 20

A blocking high is a

Accepted Answer

A)  high pressure system and accompanying ridge that changes location quickly.
B)  high pressure system and accompanying ridge that persists in the same location for many days.
C)  ​high pressure system and accompanying ridge that produces torrential rains.
D)  ​ridge associated with a low pressure system.
E)  ​trough associated with a low pressure system.F) B) and E)
G) B) and D)

Exam 13: Weather Forecasting

The analysis of a(n) ____ can be especially helpful when making a short-range forecast that covers a relatively small area,such as the mesoscale.​

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedBecause the weather affects every aspect...View AnswerShow Answer

Warm advection occurs when the​

Correct AnswerverifiedShow Answer

Lines connecting points of equal pressure change are called

Correct AnswerverifiedShow Answer

According to the National Weather Service,the subjective term "fair" implies a rather pleasant weather situation.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A blocking high is a

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Assuming you know last night's minimum temperature,what weather information would you use to predict tonight's minimum temperature?​

Correct AnswerverifiedWith such little information,it would li...View AnswerShow Answer

____________________,which includes more than 175 nations-is responsible for the international exchange of weather data and certifies that the observation procedures do not vary among nations.

Correct AnswerverifiedWorld Meteorological...View AnswerShow Answer

Soundings only‾\underline { \text { only} } only​ provide information that aids in the prediction of fog,air pollution alerts,and the downwind mixing of strong winds.

Correct AnswerverifiedShow Answer

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."

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A weather warning indicates that

Correct AnswerverifiedShow Answer

Describe the difference between persistence and steady-state forecasts.

Correct AnswerverifiedA persistence forecast is simply a predi...View AnswerShow Answer

A persistence forecast could be quite accurate when

Correct AnswerverifiedShow Answer

A weather watch would probably be issued for which of the following conditions?

Correct AnswerverifiedShow Answer

Surface pressure systems tend to move in the same direction as the wind at 5500 m (18,000 ft)-the 500-mb level.The speed at which surface systems move is about double the speed of the winds at this level.

Correct AnswerverifiedShow Answer

Stating that the chance of rain is 60 percent means that there is a 60 percent chance that it will rain within the forecast area.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The analysis of a(n) ____ can be especially helpful when making a short-range forecast that covers a relatively small area,such as the mesoscale.

Correct Answer
verified

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

Correct Answer
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Because the weather affects every aspect...
View Answer

Warm advection occurs when the

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Assuming you know last night's minimum temperature,what weather information would you use to predict tonight's minimum temperature?

Correct Answer
verified
With such little information,it would li...
View Answer

Correct Answer
verified
World Meteorological...
View Answer

Soundings $\underline { \text { only} }$ provide information that aids in the prediction of fog,air pollution alerts,and the downwind mixing of strong winds.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A persistence forecast is simply a predi...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified