Question 1

Track forecasts are not as important as wind speed forecasts in a hurricane.

Accepted Answer

A) True 
 B)False

Question 2

To officially be a hurricane, the disturbance must have rotary circulation and have wind speeds of at least kilometers per hour.

Accepted Answer

A)   70
B)   195
C)   92
D)   119
E)   161 D

Question 3

What type of clouds are most common in a hurricane?

Accepted Answer

A)   stratus
B)   cirrus
C)   nimbostratus
D)   cumulonimbus

Question 4

Tornadoes rarely occur in conjunction with hurricanes.

Accepted Answer

A) True 
 B)False

Question 5

The most severe hurricane is a category 1 on the Saffir- Simpson scale.

Accepted Answer

A) True 
 B)False  False

Question 6

As a strong hurricane moves ashore, which of the following causes the most devastating damage in the coastal zone?

Accepted Answer

A)   torrential rains
B)   lightning
C)   storm surge
D)   strong winds

Question 7

Hurricanes can sustain their maximum wind speed for quite awhile after making landfall.

Accepted Answer

A) True 
 B)False

Question 8

Hurricanes are so severe because there is no airflow outward from their upper levels.

Accepted Answer

A) True 
 B)False

Question 9

VORTRAC uses Doppler radar data in conjunction with knowledge of hurricane structure to improve our estimates of what's happening inside a storm as it approaches the coast.

Accepted Answer

A) True 
 B)False

Question 10

-Carefully consider the hurricane shown above. Where would you expect to find the warmest surface temperatures?

Accepted Answer

A)   Letter A
B)   Letter B
C)   Letter C
D)   Letter D

Question 11

Surface wind speeds inside a hurricane are estimated by:

Accepted Answer

A)   measuring them with instruments on hurricane hunter aircraft.
B)   calculating 90% of the wind speeds measured in the upper portions of the storm.
C)   doubling the wind speeds measured on the outer perimeter of the storm.
D)   analyzing wave patterns visible in satellite imagery. B

Question 12

Hurricanes that affect the United States occur most frequently during the same months as tornadoes are most prevalent.

Accepted Answer

A) True 
 B)False

Question 13

What is the approximate diameter of a mature hurricane?

Accepted Answer

A)   more than 1000 km
B)   about 600 km
C)   50 - 100 km
D)   50 km or less
E)   about 1000 km

Question 14

When occurring in the Atlantic Ocean they are known as hurricanes. What are they known as when occurring in the western Pacific?

Accepted Answer

A)   tsunamis
B)   tropical breezes
C)   cyclones
D)   typhoons

Question 15

When a hurricane moves onto land, it declines in intensity. Which of the factors listed below contribute to this loss of punch?

Accepted Answer

A)   heating from below by the land surface
B)   friction
C)   lack of warm, moist air
D)   both friction and the lack of warm, moist air

Question 16

What are hurricanes known as in the Indian Ocean, including the Bay of Bengal and Arabian Sea?

Accepted Answer

A)   typhoons
B)   tropical breezes
C)   tsunamis
D)   cyclones

Question 17

The law of conservation of angular momentum states that:

Accepted Answer

A)   a rotating object must vary its velocity in order to remain at a fixed distance from the axis of rotation.
B)   objects moving around a center of rotation must spin faster if they get further from the center.
C)   the rotating winds of a hurricane cannot be impacted by friction.
D)   if an object is rotating around an object, the product of its velocity and its distance from the axis must remain constant.

Question 18

What determines when a tropical storm is given hurricane status?

Accepted Answer

A)   diameter
B)   wind speed
C)   central pressure
D)   water temperature

Question 19

The___________ has the greatest number of storms, averaging 20 per year.

Accepted Answer

A)   North Pacific
B)   South Pacific
C)   South Atlantic
D)   North Atlantic

Question 20

The United States deadliest hurricane happened in 1900 in Galveston, Texas. Approximately how many deaths did the hurricane cause?

Accepted Answer

A)   8000
B)   2000
C)   1000
D)   4000

Exam 11: Hurricanes

Track forecasts are not as important as wind speed forecasts in a hurricane.

Correct AnswerverifiedShow Answer

To officially be a hurricane, the disturbance must have rotary circulation and have wind speeds of at least kilometers per hour.

Correct AnswerverifiedD

What type of clouds are most common in a hurricane?

Correct AnswerverifiedShow Answer

Tornadoes rarely occur in conjunction with hurricanes.

Correct AnswerverifiedShow Answer

The most severe hurricane is a category 1 on the Saffir- Simpson scale.

Correct AnswerverifiedFalse

As a strong hurricane moves ashore, which of the following causes the most devastating damage in the coastal zone?

Correct AnswerverifiedShow Answer

Hurricanes can sustain their maximum wind speed for quite awhile after making landfall.

Correct AnswerverifiedShow Answer

Hurricanes are so severe because there is no airflow outward from their upper levels.

Correct AnswerverifiedShow Answer

VORTRAC uses Doppler radar data in conjunction with knowledge of hurricane structure to improve our estimates of what's happening inside a storm as it approaches the coast.

Correct AnswerverifiedShow Answer

-Carefully consider the hurricane shown above. Where would you expect to find the warmest surface temperatures?

Correct AnswerverifiedShow Answer

Surface wind speeds inside a hurricane are estimated by:

Correct AnswerverifiedB

Hurricanes that affect the United States occur most frequently during the same months as tornadoes are most prevalent.

Correct AnswerverifiedShow Answer

What is the approximate diameter of a mature hurricane?

Correct AnswerverifiedShow Answer

When occurring in the Atlantic Ocean they are known as hurricanes. What are they known as when occurring in the western Pacific?

Correct AnswerverifiedShow Answer

When a hurricane moves onto land, it declines in intensity. Which of the factors listed below contribute to this loss of punch?

Correct AnswerverifiedShow Answer

What are hurricanes known as in the Indian Ocean, including the Bay of Bengal and Arabian Sea?

Correct AnswerverifiedShow Answer

The law of conservation of angular momentum states that:

Correct AnswerverifiedShow Answer

What determines when a tropical storm is given hurricane status?

Correct AnswerverifiedShow Answer

The___________ has the greatest number of storms, averaging 20 per year.

Correct AnswerverifiedShow Answer

The United States deadliest hurricane happened in 1900 in Galveston, Texas. Approximately how many deaths did the hurricane cause?

Correct AnswerverifiedShow Answer

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D

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False

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B

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