Case Study- Super typhoon Haiyan

Question 1

when was the typhoon?

Answer 1

7th November 2013

Question 2

what was its recording on the Dvorak scale?

Answer 2

8.1

Question 3

what were the main hazards of the tropical cyclone?

Answer 3

7 meter storm surge
140mm of rainfall in a day
242km/h wind speed

Question 4

what were the primary impacts on people and property?

Answer 4

• 90% of the buildings with wooden walls were destroyed in Tacloban
• 6000 deaths
• 2 mill homeless
• Road blockages
• Drowning in streets
• power lines destroyed

Question 5

what were the secondary impacts on people and property?

Answer 5

• debris slides destroyed many buildings in Guiuan
• Rotten corpses contaminated water supply and spread disease
• communication to outside was down due to the broken power lines
• Looting because people were desperate for food + water

Question 6

after the storm what were the short term impacts?

Answer 6

• 7000 islands needed checking and providing aid to them was difficult
• Emergency supplies had been destroyed a month before when an 7.2 earthquake shook
• Tacloban airport lost its electricity and only let 20 dayflights per day in for relief
• desperate people intercepted food vans until security was improved

Question 7

after the storm what were the long term impacts?

Answer 7

• Mangrove forests were replanted along the coast
• 200000 people moved to manila and the city of catbolagans population doubled
• Agriculture was badly damaged which affected the growth of the economy