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Instructions: Choose one answer from each pair of selections. As westward-moving Atlantic hurricanes approach the east coast of the United States, they turn toward the NORTH | SOUTH

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Hurricanes do not form ____.


A) along the intertropical convergence zone (ITCZ)
B) along the equator
C) with an easterly wave
D) when the trade wind inversion is weak

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What do forecasters use in place of isobars on ocean weather maps and why?

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Because the variation of sea-level press...

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There is a reduction in the number of Atlantic hurricanes during a major El Niño event.

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Most of the overall destruction caused by a hurricane is due to ____.


A) high winds
B) flooding
C) lightning
D) tornadoes

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Suppose the eye of a hurricane passed directly over you, and you survived the experience. If winds were from the northeast as the eyewall first approached you, from what direction did the winds blow when the eyewall reached you the second time?


A) NW
B) NE
C) SE
D) SW

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The vertical structure of the hurricane shows an upper-level ____ of air, and a surface ____ of air.


A) outflow; inflow
B) outflow; outflow
C) inflow; outflow
D) inflow; inflow

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Instructions: Choose one answer from each pair of selections. Hurricane development is more likely when preexisting upper-level winds are STRONG | WEAK.

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The terms typhoon and cyclone refer to the initial weaker stages in the development of a hurricane.

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Compare a hurricane's eye to its eyewall.

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The eye of a hurricane is its center -wi...

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Instructions: Choose one answer from each pair of selections. In a hurricane moving northward along the Atlantic coast of the United States, the strongest winds will be on the EAST | WEST side.

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Hurricane energy comes from the latent heat of ____.


A) evaporation
B) condensation
C) fusion
D) melt

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Hurricanes cannot 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

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Just before a storm is classified as a fully developed hurricane, it is in the ____ stage.


A) tropical depression
B) tropical disturbance
C) tropical storm
D) tropical cyclone

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Hurricane development is more likely when the trade wind inversion is well developed.

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The three stages of a developing hurricane (from the first stage to the third) are ____.


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

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Instructions: Choose one answer from each pair of selections. Cloud seeding has been used in attempts to INCREASE | DECREASE the diameter of the eye wall and thereby weaken hurricanes.

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The skies in the center of a hurricane are often cloud free. This is because the air in the eye is ____.


A) sinking
B) very cold
C) dry
D) expanding

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During a hurricane in the Northern Hemisphere, surface winds increase in speed as they blow ____ and ____ the center.


A) clockwise; inward toward
B) clockwise; outward from
C) counterclockwise; inward toward
D) counterclockwise; outward from

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The strongest winds in a hurricane heading westward toward Florida would most likely be found on the ____ side.


A) northern
B) southern
C) eastern
D) western

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