Question 1

Which of the following describes the best thing to do when you are caught in a thunderstorm in an open field?

Accepted Answer

A) run for cover under the nearest tree 
B) remove all metallic objects from your pockets 
C) crouch down as low as possible but minimize contact with the ground 
D) lie down flat on the ground 
A) run for cover under the nearest tree 
B) remove all metallic objects from your pockets 
C) crouch down as low as possible but minimize contact with the ground 
D) lie down flat on the ground

Question 2

Which stage of a thunderstorm begins with the appearance of a downdraft?

Accepted Answer

A) cumulus 
B) mature 
C) end 
D) dissipating 
A) cumulus 
B) mature 
C) end 
D) dissipating

Question 3

Which of the following conditions can cause damage to structures inflicted by tornadoes?

Accepted Answer

A) the increase in air pressure above a roof as high winds blow over it 
B) the increase in air pressure as a tornado moves overhead 
C) flying debris 
D) the tornado's weak winds 
A) the increase in air pressure above a roof as high winds blow over it 
B) the increase in air pressure as a tornado moves overhead 
C) flying debris 
D) the tornado's weak winds

Question 4

The region of greatest tornado activity shifts northward from early spring to summer. Why does this occur?

Accepted Answer

The region of greatest tornado activity,

Question 5

Which of the following describes how a tornado vortex signature appears on a Doppler radar screen?

Accepted Answer

A) as a region of rapidly changing wind directions 
B) as a region of intense precipitation 
C) as a region of intense lightning activity 
D) as a region of low pressure 
A) as a region of rapidly changing wind directions 
B) as a region of intense precipitation 
C) as a region of intense lightning activity 
D) as a region of low pressure

Question 6

Which of the following describes the number of cells in a supercell thunderstorm?

Accepted Answer

A) many individual cells 
B) at least two individual cells 
C) one large cell 
D) at least three individual cells 
A) many individual cells 
B) at least two individual cells 
C) one large cell 
D) at least three individual cells

Question 7

What makes a tornado-producing thunderstorm different from other thunderstorms?

Accepted Answer

A tornado-producing thunderstorm, often

Question 8

Where does the largest and most severe type of squall line form?

Accepted Answer

A) above a warm front 
B) ahead of a cold front 
C) ahead of a warm front 
D) above a cold front 
A) above a warm front 
B) ahead of a cold front 
C) ahead of a warm front 
D) above a cold front

Question 9

Which of the following defines a supercell storm?

Accepted Answer

A) a thunderstorm that produces a category EF5 tornado 
B) an enormous thunderstorm that lasts for several hours 
C) a thunderstorm that produces several tornadoes 
D) a thunderstorm with an extremely large downburst 
A) a thunderstorm that produces a category EF5 tornado 
B) an enormous thunderstorm that lasts for several hours 
C) a thunderstorm that produces several tornadoes 
D) a thunderstorm with an extremely large downburst

Question 10

Suppose a tornado is rotating in a counter clockwise direction and moving toward the northeast. Where do the strongest winds occur?

Accepted Answer

A) on its southwestern side 
B) on its northeastern side 
C) on its southeastern side 
D) on its northwestern side 
A) on its southwestern side 
B) on its northeastern side 
C) on its southeastern side 
D) on its northwestern side

Question 11

Which of the following defines a sonic boom?

Accepted Answer

A) It is a form of lightning. 
B) It is produced by static electricity in the atmosphere. 
C) It is caused when an aircraft flies faster than the speed of sound. 
D) It occurs with lightning. 
A) It is a form of lightning. 
B) It is produced by static electricity in the atmosphere. 
C) It is caused when an aircraft flies faster than the speed of sound. 
D) It occurs with lightning.

Question 12

Which of the following describes where St. Elmo's fire is most likely to occur?

Accepted Answer

A) over a thick, moist swamp 
B) over a dry, grassy field 
C) at the top of a tall, dead tree 
D) near the base of a tree 
A) over a thick, moist swamp 
B) over a dry, grassy field 
C) at the top of a tall, dead tree 
D) near the base of a tree

Question 13

Which of the following describes the conditions when ordinary thunderstorms, which last about one hour only, begin to dissipate?

Accepted Answer

A) The downdraft spreads throughout the cloud and cuts off the updraft. 
B) All precipitation particles in the cloud turn to ice. 
C) Solar heating at the ground begins to decrease. 
D) Lightning neutralizes all the electrical charge in the cloud. 
A) The downdraft spreads throughout the cloud and cuts off the updraft. 
B) All precipitation particles in the cloud turn to ice. 
C) Solar heating at the ground begins to decrease. 
D) Lightning neutralizes all the electrical charge in the cloud.

Question 14

During which of the following stages do downdrafts spread throughout a thunderstorm?

Accepted Answer

A) developing stage 
B) precipitating stage 
C) cumulus stage 
D) dissipating stage 
A) developing stage 
B) precipitating stage 
C) cumulus stage 
D) dissipating stage

Question 15

Which of the following describes the process of electrical discharge during cloud-to-ground lightning?

Accepted Answer

A) The stepped leader travels downward, and the return stroke travels downward. 
B) The stepped leader travels upward, and the return stroke travels downward. 
C) The stepped leader travels downward, and the return stroke travels upward. 
D) The stepped leader travels upward, and the return stroke travels upward. 
A) The stepped leader travels downward, and the return stroke travels downward. 
B) The stepped leader travels upward, and the return stroke travels downward. 
C) The stepped leader travels downward, and the return stroke travels upward. 
D) The stepped leader travels upward, and the return stroke travels upward.

Question 16

Which of the following is the name for the initial stage of an ordinary thunderstorm?

Accepted Answer

A) multicell stage 
B) cumulus stage 
C) dissipating stage 
D) mature stage 
A) multicell stage 
B) cumulus stage 
C) dissipating stage 
D) mature stage

Question 17

Which of the following areas are NOT suitable for thunderstorm development?

Accepted Answer

A) areas of strong high pressure 
B) along a front 
C) areas of orographic uplift 
D) areas of surface convergence 
A) areas of strong high pressure 
B) along a front 
C) areas of orographic uplift 
D) areas of surface convergence

Question 18

Which of the following is involved in the electrification of a cumulonimbus cloud?

Accepted Answer

A) snow 
B) sleet 
C) warm cloud droplets 
D) ice crystals 
A) snow 
B) sleet 
C) warm cloud droplets 
D) ice crystals

Question 19

Which of the following terms refers to a tornado-like event that forms over water?

Accepted Answer

A) roll cloud 
B) waterspout 
C) mesohigh 
D) microburst 
A) roll cloud 
B) waterspout 
C) mesohigh 
D) microburst

Question 20

Which of the following describes a thunderstorm cloud's electrical charge?

Accepted Answer

A) It is positive in the upper parts and negative in the lower parts. 
B) It is negative in the upper parts and negative in the lower parts. 
C) It is positive in the upper parts and positive in the lower parts. 
D) It is negative in the upper parts and positive in the lower parts. 
A) It is positive in the upper parts and negative in the lower parts. 
B) It is negative in the upper parts and negative in the lower parts. 
C) It is positive in the upper parts and positive in the lower parts. 
D) It is negative in the upper parts and positive in the lower parts.

Which of the following describes the best thing to do when you are caught in a thunderstorm in an open field?

Which stage of a thunderstorm begins with the appearance of a downdraft?

Which of the following conditions can cause damage to structures inflicted by tornadoes?

The region of greatest tornado activity shifts northward from early spring to summer. Why does this occur?

Which of the following describes how a tornado vortex signature appears on a Doppler radar screen?

Which of the following describes the number of cells in a supercell thunderstorm?

What makes a tornado-producing thunderstorm different from other thunderstorms?

Where does the largest and most severe type of squall line form?

Which of the following defines a supercell storm?

Suppose a tornado is rotating in a counter clockwise direction and moving toward the northeast. Where do the strongest winds occur?

Which of the following defines a sonic boom?

Which of the following describes where St. Elmo's fire is most likely to occur?

Which of the following describes the conditions when ordinary thunderstorms, which last about one hour only, begin to dissipate?

During which of the following stages do downdrafts spread throughout a thunderstorm?

Which of the following describes the process of electrical discharge during cloud-to-ground lightning?

Which of the following is the name for the initial stage of an ordinary thunderstorm?

Which of the following areas are NOT suitable for thunderstorm development?

Which of the following is involved in the electrification of a cumulonimbus cloud?

Which of the following terms refers to a tornado-like event that forms over water?

Which of the following describes a thunderstorm cloud's electrical charge?

Earth and Its Atmosphere

Energy: Warming 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

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Air Pollution

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Exam 13: Weather Forecasting

Which of the following describes the best thing to do when you are caught in a thunderstorm in an open field?

Which stage of a thunderstorm begins with the appearance of a downdraft?

Which of the following conditions can cause damage to structures inflicted by tornadoes?

The region of greatest tornado activity shifts northward from early spring to summer. Why does this occur?

Which of the following describes how a tornado vortex signature appears on a Doppler radar screen?

Which of the following describes the number of cells in a supercell thunderstorm?

What makes a tornado-producing thunderstorm different from other thunderstorms?

Where does the largest and most severe type of squall line form?

Which of the following defines a supercell storm?

Suppose a tornado is rotating in a counter clockwise direction and moving toward the northeast. Where do the strongest winds occur?

Which of the following defines a sonic boom?

Which of the following describes where St. Elmo's fire is most likely to occur?

Which of the following describes the conditions when ordinary thunderstorms, which last about one hour only, begin to dissipate?

During which of the following stages do downdrafts spread throughout a thunderstorm?

Which of the following describes the process of electrical discharge during cloud-to-ground lightning?

Which of the following is the name for the initial stage of an ordinary thunderstorm?

Which of the following areas are NOT suitable for thunderstorm development?

Which of the following is involved in the electrification of a cumulonimbus cloud?

Which of the following terms refers to a tornado-like event that forms over water?

Which of the following describes a thunderstorm cloud's electrical charge?

Earth and Its Atmosphere

Energy: Warming 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

Filters