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Global circulation (Tropical cyclones (How do cyclones form (Warm sea…
Global circulation
Tropical cyclones
Danger areas
Low pressure
Very warm moist air rises through the atmosphere
Sucking up more air behind it
Rotation
The earths spin causes the rising air to spiral
Draggging in strong winds
Start in warm water
They move westwards
Can travel up to 640 km in a day
How do cyclones form
Warm sea temperature
High humidity
Rapidcooling
Low wind shear
Coriolis force for spin
Pre-existing low pressure
Air currents
Warm air rises
Cool air falls
Falling air heats up
Repeat
Climate change
Natural causes
Slight change in the earths orbit
Amount of energy from the sun
Volcanic eruptions
Large asteroids
Ocean currents
Causes of CO2
Industry
Farming
Transport
Energy production