WEATHER AND CLIMATE
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Britain has a mild climate and is in the temperate climatic zone. This means that Britain gets cool, wet winters and warm, wet summers. The British Isles experiences four seasons:
- The temperature is affected by
- Latitude: locations get cooler the further away from the equator they are.
- Altitude: temperature drops 1°C for every 100m increase in high due to the density of air decreasing.
- Prevailing Winds: the temperature of wind and amount of rainfall will depend on where the air has come from.
- Distance from the sea: coastal areas ae most effected; in winder the sea keeps coastal areas warm and cools them down in summer.
- Ocean Currents: the ocean current coming from the Gulf of Mexico brings warm water across the Atlantic.
The UK is affected by three different types of rain:
Relief Rainfall
Prevailing winds bring warm and wet air which is forced to rise over high areas. As it rises it cools and condenses causing clouds to form and rain. Air descends on the other side of the mountains and warms up and gets drier. |
Frontal Rainfall
When warm and cold air meets it forms a depression. The cold air mass is heavier and so sinks underneath the warm air. As the warm air rises it cools. COndensation occurs and clouds form to rain along the front. |
Convectional Rainfall
When land warms up, it heats air above it causing the air to expand and rise. As the air rises it cools and condenses creating cloud and rain. This happens during warm sunny spells, but it is the type of rain that makes the rainforest such a hub of life. |
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WEATHER is the day to day conditions of the atmosphere which are easily changeable.
CLIMATE is the typical weather conditions in a place over a long period of time.
Meterologists measure many different factors in order to create a picture of the weather.
Temperature is measured in Celsius (°C) using a thermometer.
Precipitation is measured using a rain gauge.
Wind direction is reported by the direction it is blowing from, according to the compass.
Wind speed can be measured using an anemometer.
Cloud cover is measured in units called oktas.
Air pressure is measured by a barometer.
A synoptic chart is amap that shows atmospheric condition. It displays information on temperature, precipitation, wind speed and direction, atmospheric pressure and cloud coverage, all observed from many different weather stations, aeroplanes, balloons and satellites.
CLIMATE is the typical weather conditions in a place over a long period of time.
Meterologists measure many different factors in order to create a picture of the weather.
Temperature is measured in Celsius (°C) using a thermometer.
Precipitation is measured using a rain gauge.
Wind direction is reported by the direction it is blowing from, according to the compass.
Wind speed can be measured using an anemometer.
Cloud cover is measured in units called oktas.
Air pressure is measured by a barometer.
A synoptic chart is amap that shows atmospheric condition. It displays information on temperature, precipitation, wind speed and direction, atmospheric pressure and cloud coverage, all observed from many different weather stations, aeroplanes, balloons and satellites.