Tropical Cyclones

  • Created by: Rose356
  • Created on: 11-04-19 15:53
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  • Tropical Cyclone
    • Classification/Measurements
      • Meteorological Agency's Scale (Western Pacific, Japan)
      • Saffir-Simpson Hurricane Scale (North Atlantic/NorthEastern Pacific)
      • Tropical Cyclone Intensity Scale (Australia)
    • Hazards
      • Storm Surges- Flooding cause by high tides because of low air pressure. The high tides go in land which creates coastal flooding.
      • Intense Rainfall- Thick, dense clouds create heavy rain.
      • Strong Winds- Lift roofs and vehicles, bring down trees and power lines, can destroy buildings
      • Landslides- Rains cause land to become heavier and saturated so it slumps
    • Names
      • Hurricane
      • Cyclone
      • Typhoon
    • Development of Cyclones
      • Where?
        • Strong winds draw warm air up from the surface of the oceans to the troposphere
        • Large, warm oceans for a warm air body to develop.
        • A strong force from the Earth's rotation (Coriolis Force).
        • Source Regions
      • How?
        • 3) The Coriolis Force creates the air currents to spiral round the center of the cyclone. As it rises, it cools and some descends to become the clear, still, eye of the storm.
        • 2) The up-draughts of air contain big water vapour volumes which condenses into Cumulonimb-us clouds. The condensation releases heat that powers the cyclone more.
        • 4) The cyclone is given heat and moisture from oceans and gets bigger as it moves away from the source.
        • 1) Warm air currents rise from ocean. More air rushes to replace rising air
        • 5) Eventually, the cyclone will reach a landmass and loses its energy. The air pressure increases as the temperature and winds drop and the rainfall decreases. Whilst this is occurring, the cyclone decays until it is a regular storm.

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