Hurricane Katrina was a Category 5 hurricane Catastrophe that made Creating landfall on Florida and Louisiana in August 2005 , causing Causation catastrophic damage Damaging , particularly in the city of New Orleans and the surrounding Surrounding areas .

After very briefly weakening Cause_change_of_strength again to a tropical storm Catastrophe , Katrina emerged Coming_to_be into the Gulf of Mexico on August 26 and began Process_start to rapidly intensify Cause_change_of_strength .

As Katrina made Creating landfall , its front right quadrant , which held Bringing the strongest winds , slammed Motion into Gulfport , Mississippi , devastating Destroying it .

Katrina caused Causation extensive destruction Destroying and casualties Catastrophe : overall , at least 1,836 people died Death in the hurricane Catastrophe and subsequent floods , making Causation Katrina the deadliest United States hurricane since the 1928 Okeechobee hurricane .

Katrina caused Causation extensive destruction Destroying and casualties Catastrophe : overall , at least 1,836 people died Death in the hurricane Catastrophe and subsequent floods , making Causation Katrina the deadliest United States hurricane since the 1928 Okeechobee hurricane .

The total property damage Damaging was estimated at $ 125 billion ( 2005 USD ) , roughly four times the damage Damaging wrought Causation by Hurricane Andrew in 1992 , tying Connect Katrina with Hurricane Harvey of 2017 as the costliest Atlantic tropical cyclone on record .

While moving Self_motion across the Caribbean , it affected Influence several countries , and initially Ernesto posed Causation a threat to the Gulf Coast of the United States around the one-year anniversary of Hurricane Katrina .

Locally referred to as the Essence Fest Social_event , it has been held Defending in New Orleans , Louisiana since 1994 except for 2006 , when it was held Defending in Houston , Texas due to Hurricane Catastrophe Katrina 's effect Influence on New Orleans .

Additionally , it was the last Super Bowl to be played Competition in New Orleans before Hurricane Katrina slammed Motion the city on August 29 , 2005 ; the first since then was Super Bowl XLVII in 2013 .

For a time , geopolitical events Confronting_problem and natural disasters Catastrophe had strong short-term effects Influence on oil prices Cost , such as North Korean missile tests Testing , the 2006 conflict Hostile_encounter between Israel and Lebanon , worries over Iranian nuclear plans Arranging in 2006 , Hurricane Catastrophe Katrina Catastrophe , and various other factors .

Throughout Central America , Katrina produced Creating heavy rains , estimated up to in mountainous areas , triggering mudslides and flash Lighting flooding .

Unlike Mitch , little damage resulted Causation from Katrina and no fatalities were reported Reporting .

Glover 's death Death was an example of frequent police misconduct Action in the direct aftermath of Hurricane Katrina .

Part of the record-breaking 2005 Atlantic hurricane season , which included Cause_to_be_included three of the top ten most intense Atlantic hurricanes Catastrophe ever recorded Recording ( along with # 1 Wilma and # 7 Katrina ) , Rita was the seventeenth named storm Catastrophe , tenth hurricane Catastrophe , and fifth major hurricane Catastrophe of the 2005 season .

In Louisiana , Rita 's storm surge inundated Motion low-lying communities along the entire coast , worsening effects caused Causation by Hurricane Katrina less than a month prior , such as topping the hurriedly-repaired Katrina-damaged levees at New Orleans .

Hostage Tori Johnson was killed Killing by Monis and hostage Katrina Dawson was killed Killing by a police bullet ricochet in the subsequent raid Attack .

The World Bank 's estimate for this disaster Catastrophe means it ranks as the world 's fourth costliest disaster Catastrophe as of 2011 surpassed only by the 2011 Tōhoku earthquake Catastrophe and tsunami Catastrophe in Japan , Great Hanshin earthquake Catastrophe in 1995 , Forest fires Catastrophe in 1997 , Indian Ocean tsunami Catastrophe in 2004 and Hurricane Catastrophe Katrina in 2005 .

Hurricane Katrina was a late-forming tropical cyclone Catastrophe that impacted Influence portions of the Greater Antilles and Bahamas in November 1981 .

The twenty-first tropical cyclone , eleventh named Name_conferral storm , and seventh hurricane Catastrophe of the 1981 Atlantic hurricane Catastrophe season , Katrina developed Coming_to_be from an area of cloudiness in the western Caribbean Sea early on November 3 .

About six hours later , Katrina peaked with sustained winds of 85 mph ( 140 km/h ) .

Katrina quickly weakened Cause_change_of_strength to a tropical storm Catastrophe , before emerging Coming_to_be into the Atlantic Ocean hours later .

Katrina dissipated Dispersal late on November 7 , shortly before merging Cause_to_amalgamate with a frontal system .

As a result , Cuba experienced flash flooding Catastrophe in mountainous areas as Katrina moved Motion across the country .

It was the strongest landfalling Self_motion hurricane Catastrophe in decades and the costliest hurricane Catastrophe to make landfall Arriving anywhere in the United States , until it was surpassed Motion_directional by Katrina in 2005 .

It is currently the seventh-costliest Atlantic hurricane Catastrophe to hit Attack the United States , behind only Katrina ( 2005 ) , Ike ( 2008 ) , Sandy ( 2012 ) , Harvey ( 2017 ) , Dorian ( 2019 ) , and Maria ( 2017 ) , as well as the eighth-costliest Atlantic hurricane Catastrophe , behind the aforementioned systems and Wilma ( 2005 ) .