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Generally there are three stages involved in the development of thunderstorms.They are:


A) cumulus stage,mature stage,and dissipating stage.
B) cumulus stage,mature stage,and deconstructing stage.
C) cumulus stage,adolescent stage,and dissipating stage.
D) cumulus stage,dissipating stage,and deconstructing stage.

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A

A squall line with severe thunderstorms can also form along a boundary called a dryline,a narrow zone along which there is an abrupt change in moisture.

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Hurricanes and thunderstorms can sometimes cause local floods that are short-lived but high volume.These are called:


A) rapid floods
B) flash floods
C) 100-year floods
D) surge floods

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B

What is the primary source of heat that keeps a thunderstorm cloud buoyant so that it can grow so tall?

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Latent heat released...

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When tornadoes develop it is usually in association with air-mass thunderstorms.

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Which type of lightning is least likely?


A) within the same cloud
B) cloud-to-Earth
C) cloud-to-cloud

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Thunderstorms can be associated with these weather activities:


A) cyclones.
B) hurricanes.
C) tornadoes.
D) cyclones,hurricanes,and tornadoes.

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The greatest proportion of thunderstorms occurs in the:


A) middle latitudes.
B) subtropics.
C) polar regions.
D) subarctic regions.
E) tropics.

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How are both positively and negatively charged particles able to form in the same thunderstorm cloud?

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The freezing of liquid droplet...

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________ are relatively narrow,elongated bands of thunderstorms that develop in the warm sector of a middle-latitude cyclone,usually in advance of a cold front.


A) Roll clouds
B) Mesocyclones
C) Squall lines
D) Supercells

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Doppler radar can detect motion directly.

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A tornado warning is issued by the National Weather Service when conditions are favorable for tornado development.

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The diameter of a typical tornado funnel cloud would be:


A) 50 - 100 meters.
B) 150 - 600 meters.
C) 1000 - 2500 meters.
D) 3000 meters

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Thunderstorms form when ________,humid air rises in a(n) ________ environment.


A) warm;stable
B) cold;unstable
C) warm;unstable
D) cold;stable

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Which of the following U.S.states experiences the most thunderstorms each year?


A) Florida
B) Texas
C) Colorado
D) Oklahoma

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Which of the numbers listed below best represents the percentage of thunderstorms that produce tornadoes?


A) about 10 percent
B) slightly more than 50 percent
C) nearly 25 percent
D) less than 1 percent

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Most precipitation from thunderstorms originates through the collision-coalescence process.

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Thunderstorms and large cumulus clouds are characteristic of:


A) all polar air masses.
B) isothermal lapse rates.
C) all warm fronts.
D) unstable air.
E) stable air.

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About how many thunderstorms take place on Earth every day?


A) 300
B) 1300
C) 5000
D) 45,000

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Downdrafts totally dominate the ________ in the development of a thunderstorm.


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

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A

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