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GCSE Geography
tropical storms P1
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Cards (34)
What type of pressure system are tropical storms?
Low pressure
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What causes the low pressure in a tropical storm?
Warm air
rising
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What are hurricanes, typhoons, and cyclones all the same thing?
Tropical storms
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Where are hurricanes formed?
Northeast Pacific
and
North Atlantic
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Where are cyclones formed?
South Pacific
and
Indian Ocean
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Where are typhoons formed?
Northwest Pacific
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Between what degrees north and south of the equator must a tropical storm form?
5 and
30
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What minimum sea temperature is required for tropical storm formation?
27 degrees Celsius
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What is the definition of wind shear in the context of tropical storms?
Difference in
wind speed
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Why is high heat necessary for the formation of tropical storms?
Heat
fuels the storm
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What initially happens to warm surface water in tropical storm development?
It
evaporates
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What happens after warm surface water evaporates and rises?
It
condenses
into clouds
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What does the condensation of evaporated water release?
Huge amounts of
energy
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What effect does rising air have on surface pressure?
It
decreases
pressure
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What force causes a storm to spin?
Coriolis
force
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What causes the Coriolis effect?
The
Earth's
tilt
and axis
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What causes a tropical storm to lose strength?
Moving over land or
cool
water
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How do tropical storms gain strength over the ocean?
Energy
from warm water
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What is the center of a tropical storm called?
The
eye
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How large can the eye of a tropical storm be?
Up to
50
kilometers
across
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What type of air movement occurs in the eye of a tropical storm?
Descending air
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What are the conditions like in the eye of a tropical storm?
Low pressure
,
light winds
, no clouds
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What surrounds the eye of a tropical storm?
The
eye wall
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What conditions characterize the eye wall of a tropical storm?
Spiraling
rising air
, strong winds,
storm clouds
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What happens to wind speeds towards the outer skirts of a tropical storm?
Wind
speeds
fall
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How does climate change affect the duration of warm ocean temperatures?
Oceans stay warm for
longer
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How might climate change affect the distribution of tropical storms?
Storms may form in
new areas
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How does higher sea surface temperature affect storm intensity?
Storms become more
powerful
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What are three strategies to reduce the effect of tropical storms?
Prediction
and monitoring
Planning
Protection
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How can storms be monitored?
Using
radar
and
satellites
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How can planning help reduce the impact of tropical storms?
Avoiding developments in
low-lying coastal areas
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What measures can governments take to prepare for tropical storms?
Plan
evacuation routes
and prepare
emergency services
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How can buildings be designed to withstand storms?
By being put on
stilts
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What type of flood defenses can be built along rivers?
Flood defenses
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