Hurricane Katrina
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- Created by: JessSam123
- Created on: 17-03-14 18:43
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- Hurricane Katrina
- MEDC
- Mississipi Delta
- Mainly effected New Orleans/ Lousiana, USA
- 2003, estimated population of 469,032
- Mississipi Delta
- Causes
- 23rd August; TROPICAL DEPRESSION over Bahamas
- 24th August; upgrades to TROPICAL STORM
- 27 degrees - warm ocean water
- Winds
- Water evaporates & rises
- Water vapour cools; condenses back into large water droplets
- 25th August; Winds of 130 km/h
- cools slightly; becomes less powerful
- Channeled up through Gulf of Mexico, warm waters intensify storm into Cat.5
- Winds around 290 km/h; causes Storm surges
- Rain and Gale Force Winds; 4th most powerful
- Winds around 290 km/h; causes Storm surges
- Channeled up through Gulf of Mexico, warm waters intensify storm into Cat.5
- cools slightly; becomes less powerful
- Warnings
- 28th August; 1.2 million people issued with evacuation orders
- 57 emergency shelters established in coastal areas
- Motorways jammed; people obeyed orders to leave
- Not enough buses to evacuate all vulnerable; transport had shut down
- Ordered hurricane watch along the gulf coast states of USA - 27th August
- Impacts
- Deaths
- 1836 - many drowned
- bodies left for days before being recovered
- 1836 - many drowned
- Flooding made worse by heavy rainfall
- 250mm during storm
- 80% of city under water
- 250mm during storm
- Over 10,000 made homeless
- most from poor inner city areas
- 3 million without electricity
- most from poor inner city areas
- Levees & flood walls breached in 53 different places
- Allowed water to flood city up to 3m deep
- Shortage of food, no access to clean water
- raised health risks & problems with contaminated water
- Most roads (in/out of city) were damaged
- two major road bridges collapsed
- Deaths
- MEDC
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