category 5: hurricane katrina, new orleans, louisiana, usa, 29 … · 2018-05-20 · category 5:...
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Category5:HurricaneKatrina,NewOrleans,Louisiana,USA,29th
August2005
PlaceSpecificInformation:
o NewOrleansisacitylocatedontheSouthEastcoastoftheUSAinthestateofLouisiana.Itisbuiltonariverdelta.
o NewOrleansisupto3metresbelowsealevelinpartsandissurroundedbywaterwiththeMississippiRiverandLakePontchartrain.Itisprotectedfromthewaterbylevees,whicharelargesteelandconcretefloodwalls.
o NewOrleanshandlesthegreatestvolumeoftradeoutofanyportintheUSA,60%oftheUSA’sgrainexportspassthroughit,asdoesmostoftheoilbroughtoverbysupertankersfromtheMiddleEast.
o NewOrleansisalsooneofthepoorestcitiesintheUSAwith30%ofitschildrenlivingbelowthepovertylineandover40,000householdssurvivingonlessthan$9,600peryear.67%areblackandtheyblackpeoplemakeup88%oftheunemployedpopulation.ThepoorestdistrictsofNewOrleanssawthehighestlossoflifeafterHurricaneKatrina.
Causes
o Theleveeswereonlypreparedforacategory3storm,theycouldnotcopewiththe6metrehighstormsurgesowaterpouredoverthemandseveralcollapsed.
o Enteredthecitywith232km/hourwindsgotupto280.o DeltacouldnotbefilledwithsiltbecauseofmanagementoftheMississippirivermeanssedimentisdroppedfurtheroutatsea,thismeansNewOrleansislessprotectedbecausethedeltawouldnormallyformanaturaldefence.
o ThedeltaissinkingbecauseofoilextractionintheGulfofMexicoo Hurricanewascategory5
Effects/impactsSocial Economic Environmental
o 1,836peoplewerekilledo 1millionpeoplehomelesso Homesfloodeduptotherooftops,petsabandonedinthemasses,carsandbuildingsweretornapart.
o Lackofcleanwater,food,toiletfacilities
o Lootinganddisorderbecameseriousproblems
o Communicationsnetworksfailed,noInternetorlocalTV,landlinesandmobilesdidn’tworksopeoplecouldn’tfindoutiftheirfamilyandfriendswereok.
o 3millionpeoplelostelectricity
o 60,000peoplehadtoberescuedfromNewOrleans.
o Ayearlaterthepopulationwasstillonlyhalfthesizeithadbeenbefore.
o NearlyeveryoneinNewOrleansbecameunemployed
o Thetotaleconomicimpactisestimatedtobe$150billion
o OilandnaturalgasproductionintheGulfofMexicowasreducedaswellasimportsofoilandnaturalgas.Pricesofoilrose.
o MostmajorroadsintoandoutofNewOrleansweredamaged
o Theleveesandfloodwallsprotectingthecitywerebreachedand80%ofthecityendedupunderwater
o Buildingssufferedextensivedamage.
o RoofofSuperdomerippedoff(where30,000peopletookshelter)
o Decreaseincasinorevenue($2.7billion)
o 20offshoreoilplatformssunkoradrift
o Floodingof9metres
o Lakerose1.5metresabovenormallevelin36hoursafterthehurricane
o
Management
o NationalHurricaneCentre(NHC)inFloridamonitorsatelliteimagestotrackstorms.Howevertropicalstormscanchangedirectionveryquicklyanditishardtoknowwheretheywillexactlyhituntilverynearthetime.Iftheyevacuatetooearlytheycanloosealotofmoney.
o Evacuationo EducationfromNHCo FederalEmergencyManagementAgencysetuptomakesureplacesarepreparedbeforeandafter.
o 30,000nationalguardsmensenttomaintainlawandordero $50billionspentonrescueandrecovery