Geography - Hazards - Hurricane Katrina Flashcards
1
Q
Key Information
A
23rd August 2005
reached category 5 on 28th as it headed from the Bahamas towards Mississippi and Louisiana
dissipate on the 31st august
2
Q
Beginnings of the storm
A
- Tropical depression over the Bahamas
- Originating South of the Tropic of Cancer
- ocean temps over 27DegC
- as storm moved towards Florida the storm strengthened into a hurricane as of the warm air rising and vapour condensing
- Coriolis force to spin it
3
Q
Reaching the Coastline
A
- as it passed over Florida the land extended the frictional drag as there was no warm water to provide the storm energy
- as it reached Gulf of Mexico on 26th august, it intensifies rapidly
- weakened to a category 3 on the 29th August
4
Q
Impacts - New Orleans
A
-storm surges and flooding
-50% of the city below sea level
-levee failure was cause of 80% of flooding
economic - damaged oil rigs oil prices rose rapidly
5
Q
Responses - New Orleans
A
- evacuation
- looting
- water removal and defence repair
- federal and public aid
- criticisms of gov.s response
- 30,000 people stayed in the Superdome