Weather and Climate

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Name the 5 factor that affect the weather and climate in the uk
Latitude, Distance from sea, winds, altitude, pressure
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Describe and explain the affect of latitide
The further north you are the lower the sun is in the sky so the heat energy is spread out over a larger area.
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Describe and explain the effect of winds
The most common prevailing winds are from the south west, they bring warm and moist air. West is warmer and wetter than the east
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Describe and explain the effect of distance from the sea
In summer the sea take a long time to heat up and so cools the land near. In winter it heats near land because it stoes heat. The west is warmer because of the warm ocean current; North Atlantic drift
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Describe and explain the effect of pressure
Low pressure systems have lots of rainfall because the air is rising and water vapour's condensing. High pressure brings dry weather as the airs falling. West is wetter
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Describe and explain the effect of altitude
The higher the land the cooler it is because the air is thinner so less heat energy is trapped. Higher areas get re rainfall as airs forced upwards and the water vapour condenses.
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What causes a depression?
Warm, moist air meets cold dry air. Warm air is less dense so rises. Condensation causes rain clouds. Rising air causes low pressure. Winds blow in a sprial.
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What is a warm and cold front?
Warm front is the leading edge of the warm air. Cold front is the leading edge of the cold air.
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What clouds and rainfall occurs as the cold front passes?
Cumulonimbus and short heavy rain (thunder storms)
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What clouds and rainfall occurs as the warm front passes?
Cumulus and long steady rain.
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What clouds occur ahead of the warm front?
Stratus/Sirus
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Where do tropical storms develop?
Over sea above 27 degrees and between 5 and 30 degrees north or south of the equator
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What makes the storms so powerful?
Warm, moist air rises and condenses which releases huge amounts of energy.
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How long do they last and which direction do they spin?
7-14 days and anticlockwise (northern hemisphere)
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Describe the eye of the storm
Centre and about 50 km across. Low pressure, light winds, no clouds, no rain, high temp
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Describe the eye walls
Surround the eye. Spiralling rising air, very strong winds, storm clouds, torrential rain, low temeprature
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What are the weather conditions as a cold front passes over head?
Heavy showers (thunderstorms), cumulonimbus clouds, falling temperature, rising pressure
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What weather conditions do anticyclones bring in winter?
clear skies, dry weather, warmer
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Name a tropical storm from a rich and poor part of the world.
Katrina (USA), Nargis, Burma
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Give a reason why the whole of the UK has a mild climate
Mid latitude county, north Atlantic drift, gets high and low pressure weather systems
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In what direction do tropical storms spin the the northern hemisphere?
Anticlockwise
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Describe one cause of climate change (except greenhouse gases)
Changes in the Earths orbit, variations in the suns solar output
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Describe one national and one local response to climate change.
National: Transport strategies-congestion charges within cities. Recycling-recycle more my building more plants and produce energy by burning it. Local: Conserving energy- give money and advice to make homes more efficient
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Give 2 examples of extreme weather events in the UK in the past 20 years
Floods of winter 2014, highest ever UK temperature recorded in 2003 (38.5)
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Give 2 impacts of extreme weather
Droughts can cause crop failure, heat waves can cause deaths in the elderly by heat exhaustion, floods can flood roads and railways, warmer climate means farmers can grow new crops, damages possessions and properties in floods
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Give one condition that is needs for a tropical storm
Sea water greater than 27 degrees,
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Other cards in this set

Card 2

Front

Describe and explain the affect of latitide

Back

The further north you are the lower the sun is in the sky so the heat energy is spread out over a larger area.

Card 3

Front

Describe and explain the effect of winds

Back

Preview of the front of card 3

Card 4

Front

Describe and explain the effect of distance from the sea

Back

Preview of the front of card 4

Card 5

Front

Describe and explain the effect of pressure

Back

Preview of the front of card 5
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