Thunder is caused by
a) the collision between two thunderstorms with opposite electrical
charge.
b) the rapid heating of air surrounding a lightning channel.
c) the explosion that occurs when + and - charge collide and neutralize
each other.
d) turbulent wind motions inside the thunderstorm.
e) microbursts within the atmosphere. - ANSWERS-b) the rapid heating
of air surrounding a lightning channel.
The highest number of thunderstorms in the United States occurs in
a) California.
b) Kansas.
c) Colorado.
d) Maine.
e) Florida. - ANSWERS-e) Florida
The main source of energy for a hurricane is the
a) upper-level jet stream.
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b) rising of warm air and sinking of cold air in the vicinity of weather
fronts.
c) warm ocean water and release of latent heat of condensation.
d) ocean currents and tides.
e) infrared radiation. - ANSWERS-c) warm ocean water and release of
latent heat of condensation
In the Northern Hemisphere, hurricanes and middle latitude cyclones are
similar in that both
a) have surface weather fronts.
b) intensify with increasing height above the ground.
c) have surface winds that blow counterclockwise around their centers.
d) will generally move from west to east.
e) have surface winds that blow clockwise around their centers. -
ANSWERS-c) have surface winds that blow counterclockwise around
their centers.
Which of the following conditions would likely not allow the formation
of a hurricane?
a) a region of low pressure with converging winds at the surface
b) warm ocean water
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c) strong vertical wind shear
d) cold air aloft
e) moist, humid surface air - ANSWERS-c) strong vertical wind shear
Hurricanes can't form along the equator because
a) there isn't much water along the equator, it's mostly land.
b) the Coriolis force is too small along the equator.
c) there are no feedback mechanisms along the equator.
d) it's too humid for the ocean water to evaporate.
e) the water temperature is too warm. - ANSWERS-b) the Coriolis force
is too small along the equator.
The first three stages of a developing hurricane are (from first stage to
third stage)
a) tropical disturbance, tropical storm, and typhoon.
b) tropical depression, tropical disturbance, and tropical storm.
c) tropical disturbance, tropical depression, and tropical storm.
d) cyclone, typhoon, and tropical storm.
e) typhoon, cyclone, and tropical storm. - ANSWERS-c) tropical
disturbance, tropical depression, and tropical storm.
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Hurricanes dissipate when
a) when they move over warmer water.
b) when they move over land.
c) when surface inflow of air is lower than upper-level outflow of air.
d) immediately on December 1st.
e) when surface winds converge. - ANSWERS-b) when they move over
land.
The vertical structure of the hurricane shows an upper-level ____ of air,
and a surface ____of air.
a) outflow; inflow
b) stagnation; outflow
c) inflow; outflow
d) inflow; inflow
e) stagnation; inflow - ANSWERS-a) outflow; inflow
The strongest winds in a hurricane heading westward toward Florida
would most likely befound on the ____ side of the storm.
a) northern
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