Tropical cyclone hazards (Edexcel GCSE Geography A): Flashcards
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15 cards from this deck
Main hazards from tropical cyclones
Main hazards from tropical cyclones
High winds, storm surge, rainfall, coastal flooding, landslides
Wind speed threshold for extreme damage
Wind speed threshold for extreme damage
240 km/h or higher
What is storm surge?
What is storm surge?
Seawater pushed towards coast, creating a wall of water
Most deadly aspect of tropical cyclones
Most deadly aspect of tropical cyclones
Storm surge
What causes landslides during cyclones?
What causes landslides during cyclones?
Intense rainfall saturates soil on slopes
Purpose of Saffir-Simpson scale
Purpose of Saffir-Simpson scale
Classify cyclones by intensity & potential destruction
Categories in Saffir-Simpson scale
Categories in Saffir-Simpson scale
Five
Category 1 cyclone wind speeds
Category 1 cyclone wind speeds
119-153 km/hour
Category 3 cyclone wind speeds
Category 3 cyclone wind speeds
178-208 km/hour
How far inland can Cat 3 flooding reach?
How far inland can Cat 3 flooding reach?
Up to 10 kilometres
Category 5 cyclone wind speeds
Category 5 cyclone wind speeds
Exceeds 252 km/hour
Category 5 storm surge height
Category 5 storm surge height
Greater than 5.7 metres
Typhoon Yolanda (2013) category
Typhoon Yolanda (2013) category
Category 5
Typhoon Yolanda max wind speed
Typhoon Yolanda max wind speed
315 km/h
What causes coastal flooding in cyclones?
What causes coastal flooding in cyclones?
Storm surge + heavy rainfall + high tides