Question 1

Capital letters in air mass names reflect the _____characteristics of the air mass

Accepted Answer

A)  moisture
B)  relative humidity
C)  temperature
D)  wind
E)  cloudF) A) and B)
G) A) and C)

Question 2

An estimated  _____lightning strikes occur each day on Earth.

Accepted Answer

A)  800
B)  8,000
C)  80,000
D)  800,000
E)  8,000,000F) B) and C)
G) A) and D)

Question 3

Ice storms occur when which of the following conditions prevail?

Accepted Answer

A)  Rain drops circulate repeatedly above and below the freezing level in a cloud.
B)  Moist,cool air is adiabatically cooled to the freezing point.
C)  A cold front pushes warm,moist air to the freezing level in a cloud.
D)  A layer of warm air is between two layers of cold air.
E)  Extremely cold temperatures at high latitudes and altitudes.F) All of the above
G) A) and C)

Question 4

Isolated,short-lived thunderstorms fueled by the rapid upward movement of warm,moist air are known as  _____thunderstorms.

Accepted Answer

A)  single-cell
B)  supercell
C)  multi-cell clusters
D)  squall line
E)  derechoF) D) and E)
G) B) and D)

Question 5

The scientific study of the short-term condition of the atmosphere is

Accepted Answer

A)  weather.
B)  climate.
C)  meteorology.
D)  geography.
E)  climatology.F) B) and C)
G) All of the above

Question 6

Variation of wind speed and direction with altitude is known as

Accepted Answer

A)  supercells.
B)  convection.
C)  wind shear.
D)  convergence.
E)  derechos.F) None of the above
G) B) and E)

Question 7

Given a cP air mass and cT air mass with the same relative humidity,which air mass would have higher specific humidity?

Accepted Answer

A)  The cP air mass would have the higher specific humidity.
B)  The cT air mass would have the higher specific humidity.
C)  The specific humidity of both would be the same because their relative humidities are the same.
D)  It is impossible to say what would usually be true of their specific humidities.
E)  Specific humidity is not a relevant measure of air masses.F) B) and E)
G) A) and B)

Question 8

_____are the strongest thunderstorms.

Accepted Answer

A)  Supercells
B)  Multicell clusters
C)  Multicell lines
D)  Single-cells
E)  derechos.F) A) and B)
G) A) and D)

Question 9

The dry leeward side of a mountain is often termed a(n)

Accepted Answer

A)  rain shadow.
B)  chinook.
C)  front.
D)  orogeny.
E)  straight line.F) C) and D)
G) All of the above

Question 10

Cyclonic storm tracks across the United States and Canada generally

Accepted Answer

A)  shift to the south in winter,and toward the north in summer.
B)  move east to west.
C)  move south to north.
D)  exist in spring and fall only.
E)  have very little influence on severe weather.F) A) and E)
G) A) and D)

Question 11

After a warm front passes,the temperature  _____and the pressure  _____(relative to the conditions that existed prior to the passage of the front) .

Accepted Answer

A)  increases;increases
B)  increases;decreases
C)  decreases;increases
D)  decreases;decreases
E)  remains unchanged;decreasesF) A) and E)
G) A) and B)

Question 12

Air rising as a result of being stimulated by local surface heating is an example of ______lifting.

Accepted Answer

A)  convergent
B)  convectional
C)  orographic
D)  frontal
E)  upslopeF) B) and C)
G) A) and B)

Question 13

Which of the following is true of tornadoes in the United States?

Accepted Answer

A)  They occur in every month except March and April.
B)  The peak month is November.
C)  The peak month is May.
D)  They develop within cP air masses.
E)  They are most common west of the Rocky Mountains.F) C) and D)
G) B) and D)

Question 14

Which of the following pressure systems reside within the source region for mP air masses?

Accepted Answer

A)  Bermuda high and Pacific high
B)  Aleutian low and Icelandic low
C)  Bermuda high and Icelandic low
D)  Aleutian low and Pacific high
E)  Icelandic low and Bermuda highF) A) and E)
G) A) and D)

Question 15

_____is an example of a ground-based tool used in weather forecasting and analysis.

Accepted Answer

A)  Geostationary Operational Environmental Satellites (GOES) 
B)  Doppler radar
C)  Advanced Very High Resolution Radiometer (AVHRR) 
D)  SPOT Gen 3
E)  QuickbirdF) A) and B)
G) A) and E)

Question 16

Air displacement at a zone of discontinuity between two air masses of different temperature,pressure,humidity,wind speed and direction,and cloud development is an example of______ lifting.

Accepted Answer

A)  convergent
B)  convectional
C)  orographic
D)  frontal
E)  radiativeF) None of the above
G) A) and E)

Question 17

Easterly waves travel from____ in the____  belt.

Accepted Answer

A)  east to west;trade wind
B)  west to east;trade wind
C)  east to west;westerly
D)  west to east;westerly
E)  north to south;North Atlantic Gyre.F) C) and D)
G) A) and E)

Question 18

In which of the following areas will thunderstorms not develop?

Accepted Answer

A)  in areas of orographic uplift
B)  in areas of surface convergence
C)  along frontal boundaries
D)  under areas of strong high pressure
E)  in areas during unstable atmospheric conditionsF) B) and E)
G) A) and E)

Question 19

Derechos

Accepted Answer

A)  are named after the Latin word for "hooked" or "curved."
B)  are straight-line winds associated with thunderstorms.
C)  are associated with gravity drainage.
D)  are most common in the Pacific Northwest of the United States.
E)  occur primarily in winter due to cP air masses.F) A) and B)
G) C) and D)

Question 20

Which part of a hurricane consists of dry,subsiding air?

Accepted Answer

A)  eye
B)  spiral bands
C)  eye wall (collar clouds) 
D)  trade winds
E)  easterly wavesF) A) and B)
G) A) and C)

Exam 7: Weather

Easterly waves travel from____ in the____ belt.

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Given a cP air mass and cT air mass with the same relative humidity,which air mass would have higher specific humidity?

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The scientific study of the short-term condition of the atmosphere is

Correct AnswerverifiedShow Answer

Air rising as a result of being stimulated by local surface heating is an example of ______lifting.

Correct AnswerverifiedShow Answer

_____is an example of a ground-based tool used in weather forecasting and analysis.

Correct AnswerverifiedShow Answer

In which of the following areas will thunderstorms not develop?

Correct AnswerverifiedShow Answer

Capital letters in air mass names reflect the _____characteristics of the air mass

Correct AnswerverifiedShow Answer

The dry leeward side of a mountain is often termed a(n)

Correct AnswerverifiedShow Answer

Which of the following is true of tornadoes in the United States?

Correct AnswerverifiedShow Answer

Which of the following pressure systems reside within the source region for mP air masses?

Correct AnswerverifiedShow Answer

An estimated _____lightning strikes occur each day on Earth.

Correct AnswerverifiedShow Answer

Cyclonic storm tracks across the United States and Canada generally

Correct AnswerverifiedShow Answer

Air displacement at a zone of discontinuity between two air masses of different temperature,pressure,humidity,wind speed and direction,and cloud development is an example of______ lifting.

Correct AnswerverifiedShow Answer

Derechos

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Which part of a hurricane consists of dry,subsiding air?

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_____are the strongest thunderstorms.

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Variation of wind speed and direction with altitude is known as

Correct AnswerverifiedShow Answer

Isolated,short-lived thunderstorms fueled by the rapid upward movement of warm,moist air are known as _____thunderstorms.

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Ice storms occur when which of the following conditions prevail?

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After a warm front passes,the temperature _____and the pressure _____(relative to the conditions that existed prior to the passage of the front) .

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Easterly waves travel from in the belt.

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After a warm front passes,the temperature _and the pressure _(relative to the conditions that existed prior to the passage of the front) .

Correct Answer
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