Hurricane katrina aftermath7/26/2023 ![]() ![]() The National Weather Service issued a particularly dire warning on August 28, 2005, warning of the potential devastation Katrina could cause in the region. Large parts of southeastern Louisiana, coastal Mississippi, and Alabama were under voluntary and mandatory evacuation orders. Bush, declared a state of emergency on August 27 for selected regions expected to bear the brunt of Katrina's impact. The president of the United States at the time, George W. The United States Coast Guard and aircrews from the Aviation Training Center prepared their resources for the expected impact of Katrina the latter staging rescue aircraft along the Gulf Coast. It weakened further to a tropical depression near Clarksville, Tennessee, with its remnants later being absorbed by a cold front in the eastern Great Lakes region on August 31 which later affected eastern Canada. After landfall, Katrina only gradually weakened, finally weakening to a tropical storm near Meridian, Mississippi. It re-emerged over water at Breton Sound for a time before making its final landfall near the Louisiana–Mississippi border with 120 mph sustained winds. At 1110 UTC on August 29, Katrina made landfall near Buras-Triumph, Louisiana as a 125 mph Category 3 hurricane, with hurricane-force winds extending outward 120 miles from its center and a central pressure of 920 mbar. On its approach to Louisiana, Katrina underwent another eyewall replacement cycle that weakened it to a Category 3. Landfall near New Orleans and dissipation On August 28 at 1800 UTC, Katrina reached its peak intensity of 175 mph and a pressure of 902 mbar, making it at that time the 5th most intense on record in the Atlantic and the most intense in the Gulf of Mexico the former record was surpassed later that year by Rita and Wilma and the latter record was also surpassed by Rita. ![]() An eyewall replacement cycle disrupted Katrina for a bit, causing it to grow to almost double its original size, but very favorable conditions and the warmer than average waters of the Loop Current soon allowed the storm to rapidly intensify to Category 5 intensity in only 9 hours. The system began to rapidly intensify as it moved into the Gulf of Mexico, and on August 27, it reached major hurricane intensity (Category 3 on the Saffir-Simpson Hurricane Scale). Only two hours before landfall in Florida between Hallandale Beach and Aventura early on August 25, it intensified to a hurricane, and retained that intensity as it moved into the Gulf of Mexico. It gradually gained intensity as it moved through the Bahamas and approached Florida. The combined system developed into Tropical Depression Twelve over the southeastern Bahamas on August 23, becoming a tropical storm and receiving the name Katrina the next morning. On August 19, the remnants of what was Tropical Depression Ten merged with a tropical wave. 4.5 Analysis of the levee failures and reconstruction.4.3 International and non-governmental responses.1.3 Landfall near New Orleans and dissipation. ![]()
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