Question 1

Describe what a trade wind inversion is.

Accepted Answer

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Question 2

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

Accepted Answer

The terms typhoon and cyclone actually refer to the same weather phenomenon as a hurricane, but in different regions of the world. A typhoon is a hurricane in the western Pacific Ocean, while a cyclone is a hurricane in the Indian Ocean or southwestern Pacific Ocean.

Question 3

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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Question 4

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

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Question 5

Despite there being many differences in structure, if a weakening hurricane links up with an upper-level trough, it may actually become a mid-latitude cyclone.

Accepted Answer

When a weakening hurricane meets an upper-level trough, it can merge with the trough to form a hybrid storm that possesses both tropical and mid-latitude characteristics. This hybrid storm is sometimes called a "nor'eastercane" or "superstorm."

Question 6

In the vertical, where are winds the strongest in a hurricane versus in mid-latitude cyclones?

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Question 7

Instructions: Choose one answer from each pair of selections. In most tropical regions the seasons are marked by differences in TEMPERATURE | PRECIPITATION.

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Question 8

Compare a hurricane's eye to its eyewall.

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Question 9

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

Accepted Answer

Hurricane development is more likely when there is little to no trade wind inversion, as the inversion acts as a lid on the atmosphere, suppressing convection and cloud formation which are essential for hurricane development.

Question 10

Instructions: Choose one answer from each pair of selections. A hurricane's intensity will INCREASE | DECREASE when the storm moves from the ocean onto land.

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Question 11

Instructions: Choose one answer from each pair of selections. In a hurricane are the fastest winds and strongest thunderstorms found closer to the CENTER or the outer EDGE of the storm?

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Question 12

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

Accepted Answer

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Question 13

Instructions: Choose one answer from each pair of selections. Hurricanes are WARM | COLD core lows.

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Question 14

Instructions: Choose one answer from each pair of selections. Does the temperature difference between the ocean and cloud top determine the maximum strength of a storm in the HEAT ENGINE or the ORGANIZED CONVECTION representation of a hurricane?

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Question 15

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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Question 16

About one-fourth of the hurricanes that strike the United States produce tornadoes. Where do these tornadoes most often form in relation to the hurricane?

Accepted Answer

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Question 17

Most hurricanes develop in warm tropical waters at the Equator even though the Coriolis force is zero there.

Accepted Answer

Hurricanes require the Coriolis force to develop their characteristic spin, and this force is effectively zero at the Equator. They typically form at least 5 degrees latitude away from the Equator where the Coriolis effect is sufficient to initiate their rotation.

Question 18

Instructions: Choose one answer from each pair of selections. Tropical cyclone development is most likely in a region where surface winds CONVERGE | DIVERGE.

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Question 19

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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Question 20

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

Accepted Answer

During a major El Niño event, there is increased wind shear in the Atlantic which can inhibit the formation and development of hurricanes, leading to a decrease in their number.

Quiz 11: Hurricanes

Describe what a trade wind inversion is.

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

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

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

Despite there being many differences in structure, if a weakening hurricane links up with an upper-level trough, it may actually become a mid-latitude cyclone.

In the vertical, where are winds the strongest in a hurricane versus in mid-latitude cyclones?

Instructions: Choose one answer from each pair of selections. In most tropical regions the seasons are marked by differences in TEMPERATURE | PRECIPITATION.

Compare a hurricane's eye to its eyewall.

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

Instructions: Choose one answer from each pair of selections. A hurricane's intensity will INCREASE | DECREASE when the storm moves from the ocean onto land.

Instructions: Choose one answer from each pair of selections. In a hurricane are the fastest winds and strongest thunderstorms found closer to the CENTER or the outer EDGE of the storm?

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

Instructions: Choose one answer from each pair of selections. Hurricanes are WARM | COLD core lows.

Instructions: Choose one answer from each pair of selections. Does the temperature difference between the ocean and cloud top determine the maximum strength of a storm in the HEAT ENGINE or the ORGANIZED CONVECTION representation of a hurricane?

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.

About one-fourth of the hurricanes that strike the United States produce tornadoes. Where do these tornadoes most often form in relation to the hurricane?

Most hurricanes develop in warm tropical waters at the Equator even though the Coriolis force is zero there.

Instructions: Choose one answer from each pair of selections. Tropical cyclone development is most likely in a region where surface winds CONVERGE | DIVERGE.

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.

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