Term
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Definition
atmosphere at any given time
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Term
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Definition
| average weather over a period of time |
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Term
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Definition
| humidity (amount of water vapor in the atmosphere) and temperature |
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Term
| how can weather be measured |
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Definition
| measure temperature, atmospheric pressure and humidity in the atmosphere |
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Term
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Definition
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Term
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Definition
| the water cycle: when air is rising through expansion and then cools to the point where some of the water vapor molecules 'clump' together faster than thet are torn apart by their thermal energy |
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Term
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Definition
stratus -low cloud, horizontal and layered
cumulus -puffy like cotton wool, usually form when moist air is forced upwards
cirrus - high cloud, wispy and feathery
altostratus - middle level, grey puffy mass |
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Term
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Definition
| high pressure, sinking air brings settled calm weather |
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Term
| anticyclones in the summer |
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Definition
hot days,
light wind,
cool ground,
warm moist air |
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Term
| anticyclones in the winter |
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Definition
cloudless sky
drop in temperature
fog and frost at night
cold air from asia |
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Term
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Definition
low pressure
develops when warm air from tropics meets cold air from polar regions
warm air rises above cold air.
Depressions have warm and cold fronts |
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Term
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Definition
continental- develops over large land area, low moisture.
maritime - develops over sea/oceans, uniform temperature and moisture
tropical - forms over warm areas
polar - forms over cold areas |
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Term
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Definition
cold fronts form when moving cold air meets warm air and warm air forced to rise, clouds then form which lead to rain
warm fronts form when moving warm air meets cold air. |
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