Tropical Storms

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what are tropical storms?
intense low pressure weather systems - huge storms with strong winds and torrential rain
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what conditions do you need for a tropical storm?
sea water 27*c or above, warm moist air evaporates and condenses releasing lots of energy
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why do tropical storms lose energy over land?
energy supply from warm water is cut off
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in what direction do tropical storms move?
west due to easterly winds near equator
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where do tropical storms occur?
between 5-30* north and south of equator (no further as water is not warm enough)
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what are the characteristics of a tropical storm?
spin anticlockwise, circular, last 7-14 days,
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what is the centre of the storm called?
the eye- up to 50km, caused by decending air, low pressure, light winds, no clouds, no rain
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what surrounds the eye?
eye wall- spiralling rising air, strong winds, torrential rain
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primary impacts?
deaths, damages infrastructure, flooding, no electricity, crops damages, kill livestock, landslides, erode beaches, coastal habitats, sewage contaminates water
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secondary impacts?
homeless, lack of clean water, lack of food, lack of sanitation, disease, emergency aid cant get it, unemployment, psychological problems
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why is the impacts more severe in LEDCs?
poor housing, infrastructure, people depend on farming, not a lot of money to protect, poor healthcare
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why do people not move away?
jobs, family, friends, wont happen again, always lived there
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5 ways to reduce the impacts of a tropical storm?
prediction, planning, education, building techniques, aid
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reducing impacts of a tropical storm- prediction
radar, satellites, aircrafts to warn people - expensive and need training
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reducing impacts of a tropical storm- planning
emergency rescue, and plan evacuation
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reducing impacts of a tropical storm- education
how to prepare, make a survival kit- food, water, medication
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reducing impacts of a tropical storm- building techniques
withstand storms, fixed roofs, reinforced concrete, flood defences - expensive but saves money
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reducing impacts of a tropical storm- aid
send in emergency - food, water, tents
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Other cards in this set

Card 2

Front

what conditions do you need for a tropical storm?

Back

sea water 27*c or above, warm moist air evaporates and condenses releasing lots of energy

Card 3

Front

why do tropical storms lose energy over land?

Back

Preview of the front of card 3

Card 4

Front

in what direction do tropical storms move?

Back

Preview of the front of card 4

Card 5

Front

where do tropical storms occur?

Back

Preview of the front of card 5
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