Question 1

Isotherms are lines representing equal values of solar radiation.

Accepted Answer

A) True 
 B)False

Question 2

Oceans are less likely than land masses to be monitored for weather conditions.

Accepted Answer

A) True 
 B)False

Question 3

-What is the current air temperature represented on the station model shown above?

Accepted Answer

A)   69°F
B)   75°F
C)   105°F
D)   75°C
E)   - 20°CF) B) and E)
G) D) and E)

Question 4

What is a Skew- T?

Accepted Answer

A)   A numerical forecast model used to predict temperature.
B)   A thermodynamic diagram that helps forecasters assess atmospheric instability.
C)   A computer system used by forecasters.
D)   A map of forecasted temperatures.E) A) and B)
F) C) and D)

Question 5

Why are most weather data displayed in the form of a map or chart?

Accepted Answer

A)   Maps are easier to construct than tables.
B)   Maps display the data in their proper place, relative to other data, and allow the identification of patterns.
C)   Maps are easier to remember.
D)   More data can be recorded on a map.E) B) and C)
F) None of the above

Question 6

How can a satellite "see" water vapor in the atmosphere?

Accepted Answer

A)   It measures solar radiation reflecting off of the water vapor.
B)   It estimates vapor based on the temperature of the atmosphere.
C)   The satellite is capable of sensing the wavelength of radiation typically emitted by water vapor.
D)   It can't see vapor - it can only identify places where vapor is condensing.E) B) and C)
F) A) and D)

Question 7

Long- range forecasts predict whether it will be drier/wetter or wetter/cooler than normal.

Accepted Answer

A) True 
 B)False

Question 8

The forecasts for local and regional weather are produced by:

Accepted Answer

A)   National Cyclone Center.
B)   Weather Forecast Offices.
C)   National Centers for Environmental Prediction.
D)   State Weather Forecast Offices.E) A) and B)
F) C) and D)

Question 9

Despite advances in computer technology, numerical weather prediction has advanced little since 1960.

Accepted Answer

A) True 
 B)False

Question 10

Only 50 nations are involved in the World Meteorological Organization.

Accepted Answer

A) True 
 B)False

Question 11

Why are some satellites described as being stationary?

Accepted Answer

A)   They can only observe stationary weather systems.
B)   They have no orbital motion.
C)   Their orbital motion matches the earth's rotation and stay above the same site.
D)   They orbit over the earth's poles.E) None of the above
F) B) and C)

Question 12

The jet stream experiences stronger flow in the winter than summer.

Accepted Answer

A) True 
 B)False

Question 13

Meteorologists may blend the results of multiple models and put their own personal adjustments into a forecast.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following rely on the fact that gases of the atmosphere obey a number of known physical principles to predict the future state of the atmosphere?

Accepted Answer

A)   statistical methods
B)   trend forecasting
C)   numerical weather prediction
D)   persistence forecastingE) C) and D)
F) B) and D)

Question 15

The primary purpose of a radiosonde is:

Accepted Answer

A)   to acquire data about conditions in the upper atmosphere.
B)   to compile data from thousands of automated weather stations into one file.
C)   to report data about surface conditions at an automated weather station.
D)   to calculate numerical predictions of weather.E) A) and C)
F) None of the above

Question 16

The path that Northern Hemisphere cyclonic storms follow (storm track)  is usually farther to the south during:

Accepted Answer

A)   summer.
B)   nighttime.
C)   autumn.
D)   winter.E) B) and C)
F) A) and D)

Question 17

These satellites were placed in orbit over the equator and remain fixed over a point on Earth because they keep pace with the earth's rate of rotation.

Accepted Answer

A)   geostationary satellites
B)   Automated Surface Observing Systems
C)   polar satellites
D)   Doppler satellitesE) C) and D)
F) None of the above

Question 18

One commonly used way to improve a numerical model forecast is to:

Accepted Answer

A)   simplify the model's assumptions.
B)   eliminate portions of the model that aren't contributing to the forecast.
C)   statistically assess errors that the model makes repeatedly and adjust the forecast accordingly.
D)   reformulate the model after every forecast to correct errors.E) A) and B)
F) None of the above

Question 19

A farmer is trying to determine which kind of seed he should plant. He consults a(n)  in order to determine the length of his growing season and average rainfall in order to make the best choice.

Accepted Answer

A)   climatological forecast
B)   analog forecast
C)   numerical forecast
D)   persistence forecastE) A) and D)
F) A) and C)

Question 20

-What is the current wind direction represented on the station model shown above?

Accepted Answer

A)   NE
B)   SW
C)   NW
D)   SEE) All of the above
F) A) and B)

Exam 12: Weather Analysis and Forecasting

The primary purpose of a radiosonde is:

Correct AnswerverifiedShow Answer

Isotherms are lines representing equal values of solar radiation.

Correct AnswerverifiedShow Answer

Despite advances in computer technology, numerical weather prediction has advanced little since 1960.

Correct AnswerverifiedShow Answer

A farmer is trying to determine which kind of seed he should plant. He consults a(n) in order to determine the length of his growing season and average rainfall in order to make the best choice.

Correct AnswerverifiedShow Answer

Long- range forecasts predict whether it will be drier/wetter or wetter/cooler than normal.

Correct AnswerverifiedShow Answer

Why are most weather data displayed in the form of a map or chart?

Correct AnswerverifiedShow Answer

Oceans are less likely than land masses to be monitored for weather conditions.

Correct AnswerverifiedShow Answer

The path that Northern Hemisphere cyclonic storms follow (storm track) is usually farther to the south during:

Correct AnswerverifiedShow Answer

How can a satellite "see" water vapor in the atmosphere?

Correct AnswerverifiedShow Answer

One commonly used way to improve a numerical model forecast is to:

Correct AnswerverifiedShow Answer

Meteorologists may blend the results of multiple models and put their own personal adjustments into a forecast.

Correct AnswerverifiedShow Answer

The jet stream experiences stronger flow in the winter than summer.

Correct AnswerverifiedShow Answer

What is a Skew- T?

Correct AnswerverifiedShow Answer

The forecasts for local and regional weather are produced by:

Correct AnswerverifiedShow Answer

-What is the current wind direction represented on the station model shown above?

Correct AnswerverifiedShow Answer

-What is the current air temperature represented on the station model shown above?

Correct AnswerverifiedShow Answer

Why are some satellites described as being stationary?

Correct AnswerverifiedShow Answer

Only 50 nations are involved in the World Meteorological Organization.

Correct AnswerverifiedShow Answer

Which of the following rely on the fact that gases of the atmosphere obey a number of known physical principles to predict the future state of the atmosphere?

Correct AnswerverifiedShow Answer

These satellites were placed in orbit over the equator and remain fixed over a point on Earth because they keep pace with the earth's rate of rotation.

Correct AnswerverifiedShow Answer

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