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COSTS AND BENEFITS OF
WEATHER & CLIMATE (CTWM)
COSTS AND BENEFITS OF WEATHER AND CLIMATE
Weather: The current conditions of the atmosphere on a local scale.
Climate: The average long-term weather conditions for an area.
The world distribution of climates is influenced by solar radiation, the distribution of land &
sea, ocean currents, prevailing winds, altitude, temperature and precipitation.
Cool Western Maritime Climate (CWTM)
CHARACTERISTIC COOL TEMPERATE WESTERN
TEMPERATURE Warmer in summer, cooler in winter;
smaller range. Kept warm due to the
North Atlantic Drift (NAD) from the Gulf
PRECIPITATION Occurs all year round. Comes as frontal
rain from depressions, increased by
WINDS Westerly prevailing
PRESSURE Higher in summer, lower in winter, but
SYSTEMS can vary greatly.
AIR MASSES Mostly tropical maritime and polar
maritime; meet at polar front. Also
experiences tropical and polar
continental and artic maritime.
Temperate conditions with plentiful rain suit × Difficult to plan outdoor events (e.g.
many types of farm crops (e.g. wheat). football/tennis matches).
Animals can be grazed outside for the × Regular weather forecasts are
majority of the year no severe dry season. required because of the changeability
Drought is rarely a problem water supply in the weather.
usually meets supply. × People tend to expect mild weather
Outdoor recreation can take place in all all the time (e.g. not prepared for flash
seasons (e.g. hiking, football). floods etc).
Buildings do not need special construction × Relatively small amounts of fog and
techniques (e.g. earthquake proof). snow have a big impact on road and
air traffic roads & airports close.