Weather - the day to day conditons of the atmosphere, for example temperature, rainfall and wind direction
Climate - the average weather conditions calculate over 30-years period
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prevailing wind
The prevailing direction of winds affecting the UK is from the south west
Winds blow from this direction most of the ime
travelling over the relatively atantic ocean
this explains the moderated temperatures and high rainfall in the uk
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air masses
an air mass is a large body of air that transfers conditions of heat and moisture as it travels from its source area
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Types of air masses
arctic maritime air mass - from greenland/arctic sea
wet, cold air brings cold showery weather
Tropical Maritime mass - from atlantic
warm moist air brings cloud, rain and mild air
Tropical Continental air mass - from north africa
hot, dry air brings hot weather in summer
Polar Continental air mass - from central europe
very cold conditions in the winter with snow. in the summer air from this direction now classed as tropical continental may introduce hut and sunny weather
arctic maritime air mass from arctic
wet, cold air brings snow in winter
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what is the difference between weather and climate
weather is the dady to day condtions of the atmosphere wherease climate is the average conditions calculated over a 30 year period
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north atlantic drift
a powerful oceancurrent responsible for maintaining warm conditions throughout the uk
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