Global Wind Patterns (Leaving Cert Geography): Flashcards
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Practise the cards
15 cards from this deck
Number of major surface wind belts on Earth
Number of major surface wind belts on Earth
Six - three in each hemisphere
Two key factors causing global wind patterns
Two key factors causing global wind patterns
Uneven heating and Coriolis effect
What type of sunlight does the equator receive?
What type of sunlight does the equator receive?
Direct sunlight
What uneven heating creates
What uneven heating creates
Areas of high and low air pressure
Coriolis effect direction in Northern Hemisphere
Coriolis effect direction in Northern Hemisphere
Deflects air to the right
Coriolis effect direction in Southern Hemisphere
Coriolis effect direction in Southern Hemisphere
Deflects air to the left
Locations of high-pressure belts (degrees)
Locations of high-pressure belts (degrees)
30° N and S (subtropical), 90° N and S (polar)
Weather conditions in high-pressure belts
Weather conditions in high-pressure belts
Clear skies and dry weather
Locations of low-pressure belts (degrees)
Locations of low-pressure belts (degrees)
Equator and 60° N and S (subpolar)
Weather conditions in low-pressure belts
Weather conditions in low-pressure belts
Clouds and wetter weather
Direction trade winds blow
Direction trade winds blow
From subtropical high (30°) towards equator
Latitude range where westerlies flow
Latitude range where westerlies flow
Between 30° and 60° latitude
Characteristic of polar easterlies
Characteristic of polar easterlies
Less consistent than other wind systems
Air movement in high-pressure belts
Air movement in high-pressure belts
Air sinks downwards
Air movement in low-pressure belts
Air movement in low-pressure belts
Warm air rises upwards