Winds Related to Regional and Local Air Movements (Grade 11 NSC Matric Geography): Flashcards
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Practise the cards
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Monsoon
Monsoon
Seasonal wind reversal between summer & winter
Winter monsoon pressure system
Winter monsoon pressure system
High pressure over cold continent
Summer monsoon pressure system
Summer monsoon pressure system
Low pressure over hot land
Why monsoons form
Why monsoons form
Land & water heat/cool at different rates
Föhn wind
Föhn wind
Hot, dry wind down leeward side of mountains
Dry adiabatic lapse rate
Dry adiabatic lapse rate
1°C per 100m
Wet adiabatic lapse rate
Wet adiabatic lapse rate
0.5°C per 100m
Why föhn winds are hot & dry
Why föhn winds are hot & dry
Lose moisture but regain heat during descent
Windward side föhn effect
Windward side föhn effect
Moist air rises, cools, precipitation occurs
Summer monsoon weather
Summer monsoon weather
Heavy rainfall as moist air rises & condenses