When Hurricane Opal (1995) reached its peak intensity, it had sustained winds of

Question

When Hurricane Opal (1995) reached its peak intensity, it had sustained winds of 150 mph. What category on the Saffir-Simpson scale would it have been at its peak?

Select one:

a. Category 1

b. Category 0

c. Category 5

d. Category 2

e. Category 4

Question 3

Question text

Which of the following forces would not exist if the Earth was not spinning?

Select one:

a. Thermal Force

b. Coriolis Force

c. Gravity

d. Jedi Force

e. Pressure Gradient Force

Question 4

Where is the pressure gradient the greatest in a hurricane?

Select one:

a. Spiral Rainbands

b. Eye

c. Eyewall

Question 5

What do meteorologists call the hurricane "trigger mechanism" that often sparks hurricane development off the west coast of Africa?

Select one:

a. Easterly Waves

b. Convergent Vortices

c. Subtropical High Pressure Systems

d. Cold Waves

e. Warm Conveyor Belt

Question 6

What is the strength of the minimum sustained winds a tropical cyclone must produce for it to be considered a hurricane?

Select one:

a. 39 mph

b. 100 mph

c. 155 mph

d. 22 mph

e. 74 mph

Question 7

A hurricane in the Northern Hemisphere is moving to the northwest from the southeast. On which side of the hurricane would you expect the fastest winds?

Select one:

a. Northeast

b. East

c. Northwest

d. Southeast

e. South

Question 8

Which of the following represents a typical diameter for a mature hurricane?

Select one:

a. 50 miles

b. 500 miles

c. 5 miles

d. 5,000 miles

Question 9

Forecasters are predicting a moderate El Niño to be forming during the 2011 Atlantic hurricane season. What should we prepare for?

Select one:

a. Less intense hurricanes

b. More hurricanes than normal

c. Fewer hurricanes than normal

d. No change since El Niño has little or no impact on the hurricane season.

e. More rainfall from the hurricanes

Question 10

If the hurricane season of 2016 were a "typical" hurricane season in the North Atlantic Basin, what would be the name of the last hurricane of the season?

Select one:

a. Walter

b. Zoe

c. Leslie

d. Julia

e. Jose

Explanation / Answer

Question 2- Hurricane Opal

Answer- Option e (Category 4)

(Hurricanes with wind speed of 130 to 156 has been classed in category 4 on saffir-simpson Hurricane wind scale.)

Question 3-

Answer- Option b (Coriolis force)

(Coriolis force being applied on objects in relative motion by a rotating mass, this force is responsible for air movement on earth)

Question 4-

Answer – Option b (Eye)

(The Hurricane eye has lowest atmospheric pressure and thus greatest pressure gradient which results in movement of air towards the eye)

Question 5-

Answer- Option a (easterly waves)

The African easterly waves is largely responsible for the trigger mechanism of Hurricanes.

Question 6-

Answer- Option d (74 mph)

The tropical cyclones may be classified as tropical or subtropical depression with wind speed less than 38 mph, tropical or subtropical cyclone if wind speed is 38 to 73 mph and Hurricane if wind speed is more than 74 mph.

Question 7:

Answer- Option – a (northeast)

(The fastest wind in a hurricane is known to occur on the right side of the hurricane hence fastest wind will be on northeast)

Question 8:

Answer – Option b, (500 miles)

Question 9-

Answer – Option b (more Hurricanes than normal)

Question 10:

Answer- Option a, Walter

(NOAA has predicted walter as the last Hurricane of the year)

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