Question 1

Nowcasting is heavily dependent on weather radar and geostationary satellites.

Accepted Answer

A) True 
 B)False

Question 2

In determining the occurrence of precipitation, the NWS forecasts are correct more than_______ percent of the time.

Accepted Answer

A)  80 
B)  30 
C)  50 
D)  10 
A)  80 
B)  30 
C)  50 
D)  10

Question 3

Which of the following upper air maps is most useful for observing the details of the polar jet stream?

Accepted Answer

A)  500- mb map 
B)  1000- mb map 
C)  850- mb map 
D)  300- mb map 
A)  500- mb map 
B)  1000- mb map 
C)  850- mb map 
D)  300- mb map

Question 4

Satellites can only provide photographs; no measurements of properties such as temperature are possible.

Accepted Answer

A) True 
 B)False

Question 5

The Storm Prediction Center in Norman, Oklahoma, maintains a constant vigil for:

Accepted Answer

A)  floods and flash floods. 
B)  thunderstorms and tornadoes. 
C)  snow storms. 
D)  hurricanes and tropical storms. 
A)  floods and flash floods. 
B)  thunderstorms and tornadoes. 
C)  snow storms. 
D)  hurricanes and tropical storms.

Question 6

The winds at the____________level are the steering mechanism for air mass thunderstorms.

Accepted Answer

A)  300- mb 
B)  700- mb 
C)  500- mb 
D)  850- mb 
A)  300- mb 
B)  700- mb 
C)  500- mb 
D)  850- mb

Question 7

Forecast accuracy is broken down into the three categories: Short- range, medium- range, and climatic- range.

Accepted Answer

A) True 
 B)False

Question 8

This type of weather forecasting uses physical models of the atmosphere: .

Accepted Answer

numerical

Question 9

Smaller north- south temperature contrasts are associated with slower jet stream flow.

Accepted Answer

A) True 
 B)False

Question 10

A set of station models on a surface weather map that reveal a sharp wind shift across a short distance and a marked changed in temperature and humidity indicate the presence of:

Accepted Answer

A)  a uniform air mass. 
B)  a front. 
C)  a thunderstorm. 
D)  a geostrophic wind. 
A)  a uniform air mass. 
B)  a front. 
C)  a thunderstorm. 
D)  a geostrophic wind.

Question 11

Upper- air maps are commonly drawn for all the following pressures, EXCEPT:

Accepted Answer

A)  700 millibars. 
B)  200 millibars. 
C)  500 millibars. 
D)  850 millibars. 
E)  1000 millibars. 
A)  700 millibars. 
B)  200 millibars. 
C)  500 millibars. 
D)  850 millibars. 
E)  1000 millibars.

Question 12

You'd like to plan a Christmas day flight to visit family. You have several months lead time. How might you determine the probability of snowfall occurring and potentially interfering with your travel plans?

Accepted Answer

A)  Consult a climatological forecast. 
B)  Roll the dice - no one can forecast that. 
C)  Refer to the analog forecast published by the NWS. 
D)  Watch the Weather Channel to hear the latest numerical forecast. 
A)  Consult a climatological forecast. 
B)  Roll the dice - no one can forecast that. 
C)  Refer to the analog forecast published by the NWS. 
D)  Watch the Weather Channel to hear the latest numerical forecast.

Question 13

In order to demonstrate true skill, a forecast must do a better job than a climate- based prediction.

Accepted Answer

A) True 
 B)False

Question 14

If you have taken a sounding, what have you done?

Accepted Answer

A)  collected radiosonde data 
B)  downloaded data from an ASOS 
C)  used a wind profiler 
D)  analyzed a storm with a Doppler radar 
A)  collected radiosonde data 
B)  downloaded data from an ASOS 
C)  used a wind profiler 
D)  analyzed a storm with a Doppler radar

Question 15

The process of predicting the future state of the atmosphere is called:

Accepted Answer

A)  weather forecasting. 
B)  weather analysis. 
C)  weather predicting. 
D)  hindcasting. 
A)  weather forecasting. 
B)  weather analysis. 
C)  weather predicting. 
D)  hindcasting.

Question 16

When the upper- air exhibits a general _______flow, cyclonic systems tend to move through quickly, creating rapidly changing weather conditions.

Accepted Answer

A)  West to South 
B)  West to East 
C)  North to South 
D)  North to East 
A)  West to South 
B)  West to East 
C)  North to South 
D)  North to East

Question 17

Pacific storms move toward Alaska more during the cold months than the warm months.

Accepted Answer

A) True 
 B)False

Question 18

The multi- screened computer system used by a weather forecaster to review data and make a forecast is called:

Accepted Answer

A)  The Ensemble Forecast System (TEFS) 
B)  Advanced Weather Interactive Processing System (AWIPS) 
C)  Geographic Organization Electronic System (GOES) 
D)  The SkewT System 
A)  The Ensemble Forecast System (TEFS) 
B)  Advanced Weather Interactive Processing System (AWIPS) 
C)  Geographic Organization Electronic System (GOES) 
D)  The SkewT System

Question 19

Observing and forecasting small, short lived weather events (such as a thunderstorm) is strongly dependent on radar.

Accepted Answer

A) True 
 B)False

Question 20

A wave pattern in the upper- level winds at middle latitudes in the Northern Hemisphere provides for:

Accepted Answer

A)  colder temperatures at all latitudes. 
B)  cold air moving south. 
C)  decreased snowfall. 
D)  warm air moving south. 
A)  colder temperatures at all latitudes. 
B)  cold air moving south. 
C)  decreased snowfall. 
D)  warm air moving south.

Nowcasting is heavily dependent on weather radar and geostationary satellites.

In determining the occurrence of precipitation, the NWS forecasts are correct more than_______ percent of the time.

Which of the following upper air maps is most useful for observing the details of the polar jet stream?

Satellites can only provide photographs; no measurements of properties such as temperature are possible.

The Storm Prediction Center in Norman, Oklahoma, maintains a constant vigil for:

The winds at the____________level are the steering mechanism for air mass thunderstorms.

Forecast accuracy is broken down into the three categories: Short- range, medium- range, and climatic- range.

This type of weather forecasting uses physical models of the atmosphere: .

Smaller north- south temperature contrasts are associated with slower jet stream flow.

A set of station models on a surface weather map that reveal a sharp wind shift across a short distance and a marked changed in temperature and humidity indicate the presence of:

Upper- air maps are commonly drawn for all the following pressures, EXCEPT:

You'd like to plan a Christmas day flight to visit family. You have several months lead time. How might you determine the probability of snowfall occurring and potentially interfering with your travel plans?

In order to demonstrate true skill, a forecast must do a better job than a climate- based prediction.

If you have taken a sounding, what have you done?

The process of predicting the future state of the atmosphere is called:

When the upper- air exhibits a general _______flow, cyclonic systems tend to move through quickly, creating rapidly changing weather conditions.

Pacific storms move toward Alaska more during the cold months than the warm months.

The multi- screened computer system used by a weather forecaster to review data and make a forecast is called:

Observing and forecasting small, short lived weather events (such as a thunderstorm) is strongly dependent on radar.

A wave pattern in the upper- level winds at middle latitudes in the Northern Hemisphere provides for:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters

Exam 12: Weather Analysis and Forecasting

Nowcasting is heavily dependent on weather radar and geostationary satellites.

In determining the occurrence of precipitation, the NWS forecasts are correct more than_______ percent of the time.

Which of the following upper air maps is most useful for observing the details of the polar jet stream?

Satellites can only provide photographs; no measurements of properties such as temperature are possible.

The Storm Prediction Center in Norman, Oklahoma, maintains a constant vigil for:

The winds at the____________level are the steering mechanism for air mass thunderstorms.

Forecast accuracy is broken down into the three categories: Short- range, medium- range, and climatic- range.

This type of weather forecasting uses physical models of the atmosphere: .

Smaller north- south temperature contrasts are associated with slower jet stream flow.

A set of station models on a surface weather map that reveal a sharp wind shift across a short distance and a marked changed in temperature and humidity indicate the presence of:

Upper- air maps are commonly drawn for all the following pressures, EXCEPT:

You'd like to plan a Christmas day flight to visit family. You have several months lead time. How might you determine the probability of snowfall occurring and potentially interfering with your travel plans?

In order to demonstrate true skill, a forecast must do a better job than a climate- based prediction.

If you have taken a sounding, what have you done?

The process of predicting the future state of the atmosphere is called:

When the upper- air exhibits a general _______flow, cyclonic systems tend to move through quickly, creating rapidly changing weather conditions.

Pacific storms move toward Alaska more during the cold months than the warm months.

The multi- screened computer system used by a weather forecaster to review data and make a forecast is called:

Observing and forecasting small, short lived weather events (such as a thunderstorm) is strongly dependent on radar.

A wave pattern in the upper- level winds at middle latitudes in the Northern Hemisphere provides for:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters