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Started as Tropical Depression Twelve
Formed over the Bahamas
It originated as a tropical depression twelve -
Katrina: Tropical Storm
Strengthened into tropical storm Katrina -
Turned into a hurricane
Winds were 137km/h and the pressure was 989 mbar
Location: two miles south of Fort Lauderdale international airport -
Katrina strengthened to a Category 1 storm
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Katrina emerged into the Gulf of Mexico
Winds decreased to 110 km/h and Katrina was now a tropical storm -
Category 1 hurricane then turned into Category 2
Winds rapidly intensified (121 km/h) and it was upgraded to a Category 1 hurricane. It later turned to Category 2 at Buras-Triumph, Louisiana, 106 km southeast of New Orleans -
Reached Category 3 intensity
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Hurricane Katrina reached its peak intensity
Gulf of Mexico -
Katrina is now a Category 5 hurricane
Maximum winds of 282 to 310 km/h and a central pressure of 902 mbar -
Hurricane Katrina reached Category 4 Intensity
233 km/h winds -
Hurricane Katrina - Second and Third landfalls
Its second landfall as a strong category 3 hurricane was near Buras, LA and had winds of more than 205 km/h. Category 4 winds may have briefly affected the area. Katrina made its 3rd landfall near the Louisiana/Mississippi border as a Category 3 storm and with winds of 193 km/h. -
Hurricane Katrina is downgraded to a tropical depression
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Sandbagging of the 17th Street Canal levee breach had failed
85% of the city was underwater.
