1. Hurricane Katrina August 29 th, 2005

2. What happened? Formed August 23 rd, 2005, hit land on August 29 th, 2005. Primarily hit the Gulf coast, including Louisiana, Mississippi, Georgia, Florida, and Alabama. Category 5 storm when in hit land with winds up to 140 mph. $108 billion in damage (Costliest in US history) 1,833 Total Fatalities Massive flooding events in New Orleans, LA.

3. The Storm

4. Stretched across 400 miles Hit Florida as a category 3, then intensified to a category 5 storm before hitting the gulf coastline as a category 4 storm. Storm Surge reaching 9-10 meters high.

5. Why did the city flood?

6. New Orleans Majority of city is below sea level Levees built only 16 feet high, enough to hold a category 3 storm or less. Many of the levees failed from underneath. Most never topped the floodwall, and were in the “safe zone”

7. What was done to improve the levees?

8. References http://www.npr.org/templates/story/story.php?storyId=5235774 http://www.cnn.com/2013/08/23/us/hurricane-katrina-statistics-fast- facts/ http://www.cnn.com/2013/08/23/us/hurricane-katrina-statistics-fast- facts/ http://faculty.buffalostate.edu/singerjk/Hurricane_Katrina-6_panels.pdf http://serc.carleton.edu/NAGTWorkshops/health/case_studies/hurricane_ Katrina.html http://serc.carleton.edu/NAGTWorkshops/health/case_studies/hurricane_ Katrina.html http://serc.carleton.edu/NAGTWorkshops/health/case_studies/hurricane_ Katrina.html http://serc.carleton.edu/NAGTWorkshops/health/case_studies/hurricane_ Katrina.html http://serc.carleton.edu/NAGTWorkshops/health/case_studies/hurricane_ Katrina.html http://serc.carleton.edu/NAGTWorkshops/health/case_studies/hurricane_ Katrina.html http://www.history.com/topics/hurricane-katrina