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Weather Hazards

Where tropical storms form, and why

  • 3 things to know
  • Paper 1

Overview

Hurricanes, typhoons and cyclones by ocean, the latitudes where storms form, the Coriolis effect, the Hadley cell, trade winds, sea temperature, wind shear, the stages of growth and weakening over land.

What you need to know

Answer each one before you reveal it.

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Key term

Between which latitudes do tropical storms almost always develop?

Key term

How does the rising air of the Hadley cell help a storm to grow?

Key term

Which winds steer a young tropical storm westwards once it has formed?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What name is given to a tropical storm in the Atlantic Ocean and the eastern Pacific?

    Model answer

    A hurricane.

  2. 2

    What are tropical storms called in the western Pacific, near Japan and the Philippines?

    Model answer

    Typhoons.

  3. 3

    What term is used for a tropical storm in the Indian Ocean and around Australia?

    Model answer

    A cyclone.

  4. 4

    Between which latitudes do tropical storms almost always develop?

    Model answer

    Roughly between 5° and 30° north and south of the equator.

  5. 5

    How does the rising air of the Hadley cell help a storm to grow?

    Model answer

    Storms begin where air is already rising in the low pressure zone near the equator, which allows towering thunderstorm clouds to build.

  6. 6

    Which winds steer a young tropical storm westwards once it has formed?

    Model answer

    The trade winds.

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