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Hurricane Katrina

By Sean Toms. Hurricane Katrina. Start of Katrina. Hurricane Katrina developed first as a tropical depression in the southeastern Bahamas on August 23rd. Katrina strengthened into Tropical Storm the next day.

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Hurricane Katrina

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  1. By Sean Toms Hurricane Katrina

  2. Start of Katrina • Hurricane Katrina developed first as a tropical depression in the southeastern Bahamas on August 23rd. • Katrina strengthened into Tropical Storm the next day. • It then moved slowly along a northwesterly then westerly track through the Bahamas, increasing in strength during this time.

  3. Landfall in Florida • Katrina made landfall near the border of Broward and Miami-Dade counties with 80 mph winds on August 25. • High rainfall totals occurred in the Miami area, peaking at 16.43 in Perrine.Katina killed 14 in Florida.

  4. Katrina Strengthens • Katrina quickly re-intensified shortly after moving over the warm waters of the Gulf. • A mid-level ridge centered over Texas weakened and moved westward allowing Katrina to gradually turn to the northwest and then north into the weakness in the ridging over the days that followed. • Katrina then attaining 'major hurricane' status on the afternoon of the 26th.

  5. Katrina Makes Second Landfall • Katrina reached maximum wind speeds on the morning of Sunday August 28th of over 170 mph which is a category 5 hurricane, but soon after dropped to Category 4 due to the influence of drier air and an opening of the eyewall to the south and southwest before landfall on the morning of the 29th. • It made its' second landfall as a Category 4 hurricane near Buras-Triumph,LA with 145 mph winds on August 29th; with a central pressure of 920 mb.

  6. Katrina's Impacts in Gulf States • Precipitation analysis showed that rainfall accumulations exceeded 8-10 inches along much of the hurricane's path and to the east of the track. • At least 80% of New Orleans was under flood water on August 31st, largely as a result of levee failures from Lake Pontchartrain. • Wind speeds over 140 mph were recorded at landfall in southeastern Louisiana while winds gusted to over 100 mph in New Orleans, just west of the eye. Gusts were also measured of over 80mph in Mobile and 90 mph in Biloxi, MS. • Large portions of Biloxi and Gulfport, Mississippi were underwater as a result of a 20 to 30+ foot storm surge which flooded the cities.

  7. Loss of Life and Cost of Damage • The loss of life was up there with some of the most devastating natural disasters in recent US history. The loss of life was greater then 1,836. • Which included 14 in Florida, 1,577 in Louisiana, 2 in Alabama, 2 in Georgia, 2 in Ohio, 1 in Kentucky, and 238 in Mississippi. It is the costliest natural disaster (81 million US dollars), as well as one of the five deadliest hurricanes, in the history of the United States.

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