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Geography GCSE > Tropical Storms > Flashcards

Tropical Storms Flashcards

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1
Q

What are tropical storms?

A

Tropical storms are rotating low pressure weather systems with intense rain and winds.

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2
Q

What type of pressure system is a tropical storm?

A

Low pressure weather system.

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3
Q

What are the two features of a tropical storm?

A

Intense rain, intense winds.

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4
Q

What speed does a tropical storm have to reach before being classified as either a hurricane, typhoon or cyclone?

A

The speed that a tropical storm has to reach before being classified is 74 miles per hour.

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5
Q

If a tropical storm originates in the Atlantic Ocean, what is it classified as?

A

If a tropical storm originates in the Atlantic Ocean, it is a hurricane.

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6
Q

Where does a hurricane originate from?

A

A hurricane originates from the Atlantic Ocean.

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7
Q

If a tropical storm originates in the Indian Ocean, what is it classified as?

A

If a tropical storm originates in the Indian Ocean, it is a cyclone.

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8
Q

Where does a cyclone originate from?

A

A cyclone originates from the Indian Ocean.

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9
Q

If a tropical storm originates in the Pacific Ocean, what is it classified as?

A

If a tropical storm originates in the Pacific Ocean, it is a typhoon.

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10
Q

Where does a typhoon originate from?

A

A typhoon originates from the Pacific Ocean.

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11
Q

Where are tropical storms found?

A

Tropical storms occur between 5-30º latitude.

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12
Q

What occurs between 5-30º latitude?

A

Tropical storms.

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13
Q

What three conditions are needed for a tropical storm to occur?

A

Ocean surface temperatures need to be at least 27ºC, low wind shear, and the Coriolis effect allow a tropical storm to form.

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14
Q

What time in the year will a tropical storm usually form?

A

Tropical storms usually form in the Summer and Autumn.

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15
Q

Why do tropical storms usually form in the Summer and Autumn?

A

As ocean surface temperatures are the highest during these months, creating the greatest likelihood possible of a tropical storm to occur.

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16
Q

On average, how many tropical storms take place in the East Pacific and East Asia?

A

Three tropical storms take place in the East Pacific and East Asia.

17
Q

What parts of the world experience three tropical storms annually?

A

The East Pacific and East Asia experience three annual tropical storms, on average.

18
Q

In the Caribbean, what are the main months for tropical storms?

A

In the Caribbean, the main months for tropical storms are between August and October.

19
Q

What is the apparent force the Earth’s rotation leads to?

A

The Coriolis force.

20
Q

In the Northern Hemisphere, what direction do winds travel in?

A

The winds travel to the right.

21
Q

In the Southern Hemisphere, what direction do winds travel in?

A

The winds travel to the left.

22
Q

In what hemisphere do winds travel to the right?

A

The Northern Hemishpere.

23
Q

In what hemisphere do winds travel to the left?

A

The Southern Hemisphere.

24
Q

Why do winds curve near the equator?

A

As the equator spins faster than the rest of the world.

25
Q

Where do winds curve?

A

At the equator.

26
Q

In which direction do tropical storms go in the Northern Hemishpere?

A

Anticlockwise.

27
Q

Where do tropical storms spin anticlockwise?

A

In the Northern Hemisphere.

28
Q

In which direction do tropical storms go in the Southern Hemisphere?

A

Clockwise.

29
Q

Where do tropical storms spin clockwise?

A

In the Southern Hemisphere.

30
Q

What is the Coriolis effect?

A

The Earth’s rotation means that we experience an apparent force known as the Coriolis force. This deflects the direction of the wind to the right in the northern hemisphere and to the left in the southern hemisphere.

31
Q

What is wind shear?

A

The difference in wind speed and/or direction.

32
Q

What is the difference in wind speed and/or direction?

A

Wind shear.

33
Q

Why does wind shear result in tropical storms being formed between 5 and 30 degrees latitude.

A

As the wind shear is low, and if it was high, then the storm would break up.

34
Q

What does low wind shear result in?

A

Low wind shear allows the storm clouds to rise vertically to high levels, which promotes intensification.

35
Q

What allows storm clouds to rise vertically to high levels?

A

Low wind shear.

36
Q
A

Geography GCSE (13 decks)

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