✅HAZARDS Case Study - Tropical Storms, Hurricane Katrina Flashcards
Date
Aug 23-31 2005
Where affected
Florida, Louisiana, Texas
Intensity
Category 3 when it landed in Florida
Winds of 100-140 mph
How much rainfall, damaging how many homes?
Rainfall 417mm caused local flooding in Florida, damaging 100 homes
Storm surge height
Storm surge of up to 8.5m, caused major flooding
Damages
$523m in damage, mainly due to crop damage
How many killed and displaced
Displaced 1 million people, killed 1800
Secondary Impacts- agriculture
Agriculture lost $1.3bn due to damage
Secondary Impacts- oil
8 million gallons of oil spilled due to storm, caused price to rise
How many evacuated before landfall
Why did some people not?
58% of those affected evacuated before landfall
Some didn’t evacuate as they didn’t want to leave their home, felt secure due to the levees- faith in gov (perception)
Helicopter evacuations
How did protection fail
Levees failed, storm more intense than expected
How much did gov give in aid
US government gave $50bn in aid
Why were the gov criticised
Trucks with relief supplies like food arrives Sept 2nd, gov criticised for slow reaction
Long term responses
Levee system rebuilt higher
Improved evacuation plans
Rebuilding of New Orleans hurricane defenses cost $14.6bn