Question 1

This phenomenon

Accepted Answer

A) is typically larger than a tornado. 
B) usually forms over land and then moves over water. 
C) forms when a tornado sucks water from the ocean or lake. 
D) forms in conjunction with cumulus congestus clouds. 
A) is typically larger than a tornado. 
B) usually forms over land and then moves over water. 
C) forms when a tornado sucks water from the ocean or lake. 
D) forms in conjunction with cumulus congestus clouds.

Question 2

The Enhanced Fujita scale

Accepted Answer

A) classifies the greatest number of tornadoes as "weak." 
B) has ten categories. 
C) includes F6 tornadoes, which occur only a few times a year. 
D) classifies tornadoes by the width of their spouts. 
A) classifies the greatest number of tornadoes as "weak." 
B) has ten categories. 
C) includes F6 tornadoes, which occur only a few times a year. 
D) classifies tornadoes by the width of their spouts.

Question 3

In the United States,tornadoes are most likely to occur in this month:

Accepted Answer

A) May. 
B) July. 
C) August. 
D) October. 
A) May. 
B) July. 
C) August. 
D) October.

Question 4

Give two reasons why lightning kills fewer people now than in the past.

Accepted Answer

Any two of these:
(i) shifts in populati

Question 5

The three stages of the air mass thunderstorm are

Accepted Answer

A) cumulus, mature, dissipating. 
B) cumulus, dissipating, mature. 
C) initial, mature, degenerating. 
D) initial, middle, dissipating. 
A) cumulus, mature, dissipating. 
B) cumulus, dissipating, mature. 
C) initial, mature, degenerating. 
D) initial, middle, dissipating.

Question 6

Thunderstorms occur about how many times a day?

Accepted Answer

A) 5,000 
B) 10,000 
C) 40,000 
D) 75,000 
A) 5,000 
B) 10,000 
C) 40,000 
D) 75,000

Question 7

Cite two explanations for the apparent increase in the number of tornadoes in the United States since 1950.

Accepted Answer

(i) expansion of population in

Question 8

The pressure difference within a tornado can be as high as

Accepted Answer

A) 15 mb. 
B) 30 mb. 
C) 45 mb. 
D) 100 mb. 
A) 15 mb. 
B) 30 mb. 
C) 45 mb. 
D) 100 mb.

Question 9

Charge separation

Accepted Answer

A) results in the top of the cloud having a negative charge. 
B) most often occurs in clouds that are not precipitating. 
C) results in lightning only if the cloud extends above the freezing level. 
D) is not explained by the thermoelectric effect. 
A) results in the top of the cloud having a negative charge. 
B) most often occurs in clouds that are not precipitating. 
C) results in lightning only if the cloud extends above the freezing level. 
D) is not explained by the thermoelectric effect.

Question 10

This country has more tornadoes than any other

Accepted Answer

A) Australia. 
B) China. 
C) United States. 
D) Canada. 
A) Australia. 
B) China. 
C) United States. 
D) Canada.

Question 11

The safest place to be when a tornado strikes is ________.

Accepted Answer

in a well-constructe

Question 12

Airplanes are struck by lightning

Accepted Answer

A) frequently. 
B) only during clear-sky flights. 
C) only during high altitude flights. 
D) only during takeoff and landing. 
A) frequently. 
B) only during clear-sky flights. 
C) only during high altitude flights. 
D) only during takeoff and landing.

Question 13

A thunderstorm becomes severe because

Accepted Answer

A) inflow equals outflow. 
B) outflow equals inflow. 
C) the updraft and downdraft become quasi-steady state. 
D) entrainment enhances convection. 
A) inflow equals outflow. 
B) outflow equals inflow. 
C) the updraft and downdraft become quasi-steady state. 
D) entrainment enhances convection.

Question 14

If you are outside in the presence of lightning and cannot take cover indoors,which of the following would be the safest course of action?

Accepted Answer

A) go to a low-lying area, crouch down and minimize your contact with the ground 
B) lie face down in a ditch 
C) seek shelter beneath a large tree 
D) climb into the open back of a pickup truck 
A) go to a low-lying area, crouch down and minimize your contact with the ground 
B) lie face down in a ditch 
C) seek shelter beneath a large tree 
D) climb into the open back of a pickup truck

Question 15

You should stay away from windows if you see an approaching tornado because

Accepted Answer

A) flying debris is the primary cause of tornado injuries, and glass debris is particularly dangerous. 
B) opening the windows makes the house more susceptible to damage caused by the pressure differences associated with a tornado's passage. 
C) opening the windows would allow the extreme tornadic winds to push inward against the walls and collapse the building. 
D) keeping the windows closed is the best way to equalize the indoor and outdoor pressure during a tornado's passage. 
A) flying debris is the primary cause of tornado injuries, and glass debris is particularly dangerous. 
B) opening the windows makes the house more susceptible to damage caused by the pressure differences associated with a tornado's passage. 
C) opening the windows would allow the extreme tornadic winds to push inward against the walls and collapse the building. 
D) keeping the windows closed is the best way to equalize the indoor and outdoor pressure during a tornado's passage.

Question 16

In order to determine how far lightning is from your observation point

Accepted Answer

A) count the seconds from flash-to-bang and divide by ten. 
B) count the seconds from flash-to-bang and divide by five to get miles. 
C) listen to your AM radio and count the seconds from loud static to hearing the thunder and divide by ten. 
D) count the seconds from flash-to-bang and divide by 30. 
A) count the seconds from flash-to-bang and divide by ten. 
B) count the seconds from flash-to-bang and divide by five to get miles. 
C) listen to your AM radio and count the seconds from loud static to hearing the thunder and divide by ten. 
D) count the seconds from flash-to-bang and divide by 30.

Question 17

On a hypothetical planet with physical and atmospheric characteristics similar to Earth,which location would be expected to have a higher incidence of tornadoes?

Accepted Answer

A) a mountainous continent bordering a warm ocean covering a wide range of latitudes 
B) a flat continent bordering a cold ocean covering a wide range of latitudes 
C) a flat continent bordering a warm ocean covering a wide range of latitudes 
D) a mountainous continent bordering a cold ocean covering a wide range of latitudes 
A) a mountainous continent bordering a warm ocean covering a wide range of latitudes 
B) a flat continent bordering a cold ocean covering a wide range of latitudes 
C) a flat continent bordering a warm ocean covering a wide range of latitudes 
D) a mountainous continent bordering a cold ocean covering a wide range of latitudes

Question 18

"Tornado Alley"

Accepted Answer

A) stretches from the southern Plains to the lower Great Lakes. 
B) is the nickname for the Storm Prediction Center in Norman, Oklahoma. 
C) is located in Florida. 
D) is a strip running from Kansas to western Pennsylvania. 
A) stretches from the southern Plains to the lower Great Lakes. 
B) is the nickname for the Storm Prediction Center in Norman, Oklahoma. 
C) is located in Florida. 
D) is a strip running from Kansas to western Pennsylvania.

Question 19

During a lightning event

Accepted Answer

A) a large quantity of electrons is transferred. 
B) there is typically only one stroke. 
C) the negative charge near the bottom of the cloud increases. 
D) the air around the conducting channel is heated to temperatures up to 30,000 K. 
A) a large quantity of electrons is transferred. 
B) there is typically only one stroke. 
C) the negative charge near the bottom of the cloud increases. 
D) the air around the conducting channel is heated to temperatures up to 30,000 K.

Question 20

When the area of rotation of a mesocyclone decreases in size,its wind speed ________.

Accepted Answer

The answer of When the area of rotation of a...

This phenomenon

The Enhanced Fujita scale

In the United States,tornadoes are most likely to occur in this month:

Give two reasons why lightning kills fewer people now than in the past.

The three stages of the air mass thunderstorm are

Thunderstorms occur about how many times a day?

Cite two explanations for the apparent increase in the number of tornadoes in the United States since 1950.

The pressure difference within a tornado can be as high as

Charge separation

This country has more tornadoes than any other

The safest place to be when a tornado strikes is ________.

Airplanes are struck by lightning

A thunderstorm becomes severe because

If you are outside in the presence of lightning and cannot take cover indoors,which of the following would be the safest course of action?

You should stay away from windows if you see an approaching tornado because

In order to determine how far lightning is from your observation point

On a hypothetical planet with physical and atmospheric characteristics similar to Earth,which location would be expected to have a higher incidence of tornadoes?

"Tornado Alley"

During a lightning event

When the area of rotation of a mesocyclone decreases in size,its wind speed ________.

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

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Exam 11: Lightning, thunder, and Tornadoes

This phenomenon

The Enhanced Fujita scale

In the United States,tornadoes are most likely to occur in this month:

Give two reasons why lightning kills fewer people now than in the past.

The three stages of the air mass thunderstorm are

Thunderstorms occur about how many times a day?

Cite two explanations for the apparent increase in the number of tornadoes in the United States since 1950.

The pressure difference within a tornado can be as high as

Charge separation

This country has more tornadoes than any other

The safest place to be when a tornado strikes is ________.

Airplanes are struck by lightning

A thunderstorm becomes severe because

If you are outside in the presence of lightning and cannot take cover indoors,which of the following would be the safest course of action?

You should stay away from windows if you see an approaching tornado because

In order to determine how far lightning is from your observation point

On a hypothetical planet with physical and atmospheric characteristics similar to Earth,which location would be expected to have a higher incidence of tornadoes?

"Tornado Alley"

During a lightning event

When the area of rotation of a mesocyclone decreases in size,its wind speed ________.

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters