Impacts Of A Tropical Revolving Storms

Question 1

What are the main physical factors that that make the tropical storm a hazard to people

Answer 1

• intensity of the storm
• speed of movement
• distance from the sea
• physical geography of the coastal area

Question 2

How do tropical cyclones pose a hazard to people and the built environment

Answer 2

• winds
• heavy rainfall
• storm surges

Question 3

How are winds a hazard to people and the built environment

Answer 3

Often exceed 150km h-1
= collapse of buildings, infrastructure damage and devastate agricultural areas

They can also hurl large pieces of debris around and this can cause deaths

Question 4

How is heavy rainfall a hazard to people and the built environment

Answer 4

Often more than 100mm per day
Severe flooding
Landslides
Mudslides

Question 5

How can storm surges pose a hazard to people and the built environment

Answer 5

Flood low lying coastal areas
E.g. Ganges delta
They take a long time to recover from
Deaths

Question 6

What are storm surges a result of

Answer 6

When wind-driven waves pile up and the ocean heaves up under reduced pressure