Question 1

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

Accepted Answer

​soundings

Question 2

A probability forecast that calls for a "40 percent chance of rain" means that​

Accepted Answer

A) there is a 40 percent chance that it will not rain within the forecast area. 
B) there is a 40 percent chance that any random place in the forecast area will receive measurable rain. 
C) ​it will rain on 40 percent of the forecast area. 
D) ​it will rain during 40 percent of the time over the forecast area. 
E) ​it will definitely rain. 
A) there is a 40 percent chance that it will not rain within the forecast area. 
B) there is a 40 percent chance that any random place in the forecast area will receive measurable rain. 
C) ​it will rain on 40 percent of the forecast area. 
D) ​it will rain during 40 percent of the time over the forecast area. 
E) ​it will definitely rain.

Question 3

Suppose that it is presently warm and raining.A cold front will pass your area in 3 hours.Behind the front,it is cold and snowing.A persistence forecast would predict warm and rainy weather.

Accepted Answer

A) True 
 B)False

Question 4

Because of the atmosphere's chaotic nature,meteorologists are turning to a technique called ____________________,an approach based on running several forecast models,to improve short- and medium-range forecasts.​

Accepted Answer

ensemble f

Question 5

The final forecast chart representing the atmosphere at a specified future time is called a(n)____________________,or,simply,a(n)____________________.​

Accepted Answer

prognostic

Question 6

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 7

The forecasting technique that produces several versions of a forecast model,each beginning with slightly different weather information to reflect errors in the measurements,is called​

Accepted Answer

A) climatology forecasting. 
B) redundancy analysis. 
C) ​persistence forecasting. 
D) ​ensemble forecasting. 
E) ​probability forecasting. 
A) climatology forecasting. 
B) redundancy analysis. 
C) ​persistence forecasting. 
D) ​ensemble forecasting. 
E) ​probability forecasting.

Question 8

Automated Surface Observing Systems (ASOS)measure

Accepted Answer

A) wind speed and direction. 
B) cloud patterns. 
C) ​sun angles. 
D) ​likelihood of flooding. 
E) ​likelihood of lightning strikes. 
A) wind speed and direction. 
B) cloud patterns. 
C) ​sun angles. 
D) ​likelihood of flooding. 
E) ​likelihood of lightning strikes.

Question 9

In the course of a single workday,a typical forecaster may examine and compare ____ individual weather maps.

Accepted Answer

A) five 
B) seven 
C) ​ten 
D) ​dozens of 
E) ​thousands of 
A) five 
B) seven 
C) ​ten 
D) ​dozens of 
E) ​thousands of

Question 10

A type of dynamic instability known as____________________ develops from the deepening of an upper trough as the result of high wind speeds,cold air moving southward,warm air moving northward,and a shortwave moving into a longwave trough.

Accepted Answer

baroclinic

Question 11

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 12

A weather forecast for up to a few hours (usually not more than 6 hours)is called a(n)____________________ forecast,or ____________________.

Accepted Answer

​very short-range;no

Question 13

​Which of the following is the least likely to be a forecaster's rule of thumb?

Accepted Answer

A) For short time intervals,mid-latitude cyclonic storms and fronts tend to move in the same direction and at approximately the same speed as they did during the previous six hours. 
B) Low pressure areas tend to move in a direction that parallels the isobars in the warm air sector. 
C) ​Lows tend to move toward the region of greatest pressure drop. 
D) ​Highs tend to move toward the region of greatest pressure drop. 
E) ​A "chance of rain" means that the chance of rain is 30-50 percent. 
A) For short time intervals,mid-latitude cyclonic storms and fronts tend to move in the same direction and at approximately the same speed as they did during the previous six hours. 
B) Low pressure areas tend to move in a direction that parallels the isobars in the warm air sector. 
C) ​Lows tend to move toward the region of greatest pressure drop. 
D) ​Highs tend to move toward the region of greatest pressure drop. 
E) ​A "chance of rain" means that the chance of rain is 30-50 percent.

Question 14

____ tend to steer the movement of surface pressure systems.

Accepted Answer

A) Cumulus clouds 
B) Doppler radar 
C) ​Winds aloft 
D) ​Ensemble forecasts 
E) ​Stationary fronts. 
A) Cumulus clouds 
B) Doppler radar 
C) ​Winds aloft 
D) ​Ensemble forecasts 
E) ​Stationary fronts.

Question 15

The analog method is often referred to as ____________________.

Accepted Answer

pattern re

Question 16

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 17

In 300 B.C.,Theophrastus,a pupil of Aristotle compiled all sorts of weather indicators in his book called ____________________.​

Accepted Answer

The answer of In 300 B.C.,Theophrastus,a pupil of Aristotle compiled...

Question 18

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 19

Very short-range forecasts often utilize which of the following forecast methods?

Accepted Answer

A) steady-state or trend method 
B) pattern recognition method 
C) ​ensemble method 
D) ​both the steady-state (trend method)and ensemble methods 
E) ​both the steady-state (trend method)and pattern recognition methods 
A) steady-state or trend method 
B) pattern recognition method 
C) ​ensemble method 
D) ​both the steady-state (trend method)and ensemble methods 
E) ​both the steady-state (trend method)and pattern recognition methods

Question 20

Suppose that where you live,the middle of January is typically several degrees warmer than the rest of the month.If you forecast this "January thaw" for the middle of next January,what type of a weather forecast will you have made?

Accepted Answer

A) ensemble forecast 
B) common forecast 
C) ​seasonal outlook 
D) ​nowcast 
E) ​probability forecast 
A) ensemble forecast 
B) common forecast 
C) ​seasonal outlook 
D) ​nowcast 
E) ​probability forecast

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

A probability forecast that calls for a "40 percent chance of rain" means that

Suppose that it is presently warm and raining.A cold front will pass your area in 3 hours.Behind the front,it is cold and snowing.A persistence forecast would predict warm and rainy weather.

Because of the atmosphere's chaotic nature,meteorologists are turning to a technique called ____________________,an approach based on running several forecast models,to improve short- and medium-range forecasts.

The final forecast chart representing the atmosphere at a specified future time is called a(n),or,simply,a(n).

An analysis is a

The forecasting technique that produces several versions of a forecast model,each beginning with slightly different weather information to reflect errors in the measurements,is called

Automated Surface Observing Systems (ASOS)measure

In the course of a single workday,a typical forecaster may examine and compare ____ individual weather maps.

A type of dynamic instability known as____________________ develops from the deepening of an upper trough as the result of high wind speeds,cold air moving southward,warm air moving northward,and a shortwave moving into a longwave trough.

A weather forecast for up to a few hours (usually not more than 6 hours)is called a(n) forecast,or .

Which of the following is the least likely to be a forecaster's rule of thumb?

____ tend to steer the movement of surface pressure systems.

The analog method is often referred to as ____________________.

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

In 300 B.C.,Theophrastus,a pupil of Aristotle compiled all sorts of weather indicators in his book called ____________________.

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

Very short-range forecasts often utilize which of the following forecast methods?

Suppose that where you live,the middle of January is typically several degrees warmer than the rest of the month.If you forecast this "January thaw" for the middle of next January,what type of a weather forecast will you have made?

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

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

A probability forecast that calls for a "40 percent chance of rain" means that​

Suppose that it is presently warm and raining.A cold front will pass your area in 3 hours.Behind the front,it is cold and snowing.A persistence forecast would predict warm and rainy weather.

Because of the atmosphere's chaotic nature,meteorologists are turning to a technique called ____________________,an approach based on running several forecast models,to improve short- and medium-range forecasts.​

The final forecast chart representing the atmosphere at a specified future time is called a(n)____________________,or,simply,a(n)____________________.​

An analysis is a

The forecasting technique that produces several versions of a forecast model,each beginning with slightly different weather information to reflect errors in the measurements,is called​

Automated Surface Observing Systems (ASOS)measure

In the course of a single workday,a typical forecaster may examine and compare ____ individual weather maps.

A type of dynamic instability known as____________________ develops from the deepening of an upper trough as the result of high wind speeds,cold air moving southward,warm air moving northward,and a shortwave moving into a longwave trough.

A weather forecast for up to a few hours (usually not more than 6 hours)is called a(n)____________________ forecast,or ____________________.

​Which of the following is the least likely to be a forecaster's rule of thumb?

____ tend to steer the movement of surface pressure systems.

The analog method is often referred to as ____________________.

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

In 300 B.C.,Theophrastus,a pupil of Aristotle compiled all sorts of weather indicators in his book called ____________________.​

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

Very short-range forecasts often utilize which of the following forecast methods?

Suppose that where you live,the middle of January is typically several degrees warmer than the rest of the month.If you forecast this "January thaw" for the middle of next January,what type of a weather forecast will you have made?

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

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

A probability forecast that calls for a "40 percent chance of rain" means that

Because of the atmosphere's chaotic nature,meteorologists are turning to a technique called ____________________,an approach based on running several forecast models,to improve short- and medium-range forecasts.

The final forecast chart representing the atmosphere at a specified future time is called a(n),or,simply,a(n).

The forecasting technique that produces several versions of a forecast model,each beginning with slightly different weather information to reflect errors in the measurements,is called

A weather forecast for up to a few hours (usually not more than 6 hours)is called a(n) forecast,or .

Which of the following is the least likely to be a forecaster's rule of thumb?

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

In 300 B.C.,Theophrastus,a pupil of Aristotle compiled all sorts of weather indicators in his book called ____________________.