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Geography - Air Masses
Questions about different air masses
11
Geography
Undergraduate 1
01/14/2014

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Cards

Term
Which air masses are associated with depressions?
Definition
Tropical Maritime, Polar Maritime, Arctic Maritime
Term
Which air masses are associated with anti-cyclones?
Definition
Tropical Continental, Polar Continental
Term
Which air mass is associated with thundery showers and flash floods?
Definition
Tropical Maritime
Term
What are the 5 main type of air masses that affect the UK?
Definition
Tropical Maritime, Polar Maritime, Arctic Maritime, Tropical Continental, Polar Continental
Term
Explain how initially dry Tropical Continental air may acquire enough moisture to produce precipitation
Definition
Heat causes water to evaporate over Mediterranean/Channel which eventually precipitates over the UK
Term
Where is the source region for Polar Maritime air, and what weather conditions would allow it to flow over the UK?
Definition
Greenland, Northern Canada, Labrador
Cold air, snow
Term
Explain why snow coming from Russia will be thin but very cold and dry winds accompanied by icy frosty nights and even freezing fog
Definition
Snow from Russia - Polar Continental
Icy frosty nights - Diurnal temperature range
Fog - Moisture forms over relatively warmer North Sea
Term
Describe the weather conditions that are ideal for Hot Air ballooning
Definition
Cool, dry, clear blue skies
Term
Which air mass is best for Hot Air Ballooning?
Definition
Polar Continental
Term
What time of day is best for Hot Air Ballooning?
Definition
Morning
Term
What time of year is best for Hot Air Ballooning?
Definition
Spring/Autumn
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