CDT on August 29 as a Category 3 hurricane with sustained winds of 125 mph (205 km/h) near Buras-Triumph, Louisiana. Katrina made its second landfall at 6:10 a.m. The pressure measurement made Katrina the fourth most intense Atlantic hurricane on record at the time, only to be surpassed by Hurricanes Rita and Wilma later in the season it was also the strongest hurricane ever recorded in the Gulf of Mexico at the time (a record also later broken by Rita). CDT that day, with maximum sustained winds of 175 mph (280 km/h) and a minimum central pressure of 902 mbar. Katrina again rapidly intensified, attaining Category 5 status on the morning of August 28 and reached its peak strength at 1:00 p.m. An eyewall replacement cycle disrupted the intensification, but caused the storm to nearly double in size. On August 27, the storm reached Category 3 intensity on the Saffir-Simpson Hurricane Scale, becoming the third major hurricane of the season. The storm rapidly intensified after entering the Gulf, partly because of the storm's movement over the warm waters of the Loop Current. The storm weakened over land, but it regained hurricane status about one hour after entering the Gulf of Mexico. The tropical storm continued to move towards Florida, and became a hurricane only two hours before it made landfall between Hallandale Beach and Aventura, Florida on the morning of August 25. The system was upgraded to tropical storm status on the morning of August 24 and at this point, the storm was given the name Katrina. Hurricane Katrina formed as Tropical Depression Twelve over the southeastern Bahamas on Augas the result of an interaction of a tropical wave and the remains of Tropical Depression Ten. Criticism of the federal, state and local governments' reaction to the storm was widespread and resulted in an investigation by the United States Congress and the resignation of FEMA director Michael Brown. dollars) in damage, making it the costliest natural disaster in U.S.
The storm is estimated to have been responsible for $81.2 billion (2005 U.S.
hurricane since the 1928 Okeechobee Hurricane. Severe wind damage was reported well inland.Īt least 1,836 people lost their lives in Hurricane Katrina and in the subsequent floods, making it the deadliest U.S. Levees separating Lake Pontchartrain and several canals from New Orleans were breached by the surge, ultimately flooding 80% of the city and many areas of neighboring parishes for weeks. The storm surge caused severe and catastrophic damage along the Gulf coast, devastating the cities of Mobile, Alabama, Waveland and Biloxi/ Gulfport in Mississippi, and New Orleans and other towns in Louisiana.
The storm weakened considerably before making its second and third landfalls as a Category 3 storm on the morning of August 29 in southeast Louisiana and at the Louisiana/Mississippi state line, respectively. It formed over the Bahamas on August 23, 2005, and crossed southern Florida as a moderate Category 1 hurricane, causing some deaths and flooding there, before strengthening rapidly in the Gulf of Mexico and becoming one of the strongest hurricanes on record. Katrina is the third major hurricane, and second Category 5 hurricane of the 2005 Atlantic season. Due to its sheer size, Katrina devastated the Gulf Coast as far as 100 miles (160 km) from the storm's centre. Most notable in media coverage were the catastrophic effects on the city of New Orleans, Louisiana, and in coastal Mississippi. Katrina formed in late August during the 2005 Atlantic hurricane season and caused devastation along much of the north-central Gulf Coast of the United States. It was the sixth-strongest Atlantic hurricane ever recorded and the third-strongest landfalling U.S. Hurricane Katrina was the costliest and one of the deadliest hurricanes in the history of the United States. $84 billion (2006 USD) (costliest Atlantic hurricane in history)īahamas, South Florida, Cuba, Louisiana (especially Greater New Orleans), Mississippi, Alabama, Florida Panhandle, most of eastern North America Hurricane Katrina near peak strength on August 28, 2005
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