http://en.wikipedia.org/wiki/Timelin...ricane_Katrina
* August 25 - The storm is upgraded to become the fourth hurricane of the 2005 season.
* August 25 6:30PM - Katrina makes its first landfall in Florida as a Category 1 hurricane. At least 11 deaths in Florida are attributed to the storm.
* August 26 - Louisiana Governor Kathleen Babineaux Blanco declares state of emergency.
* August 27 - Katrina is upgraded to a Category 3 hurricane.
* August 27 - President Bush declares a state of emergency in Louisiana
* August 28 12:40AM CDT - Katrina becomes a Category 4 hurricane.
* August 28 10AM CDT - National Weather Service issues a bulletin predicting "devastating" damage.[1]
* August 28 10AM CDT - Mandatory evacuation is ordered for New Orleans City.
* August 28 1PM CDT - Katrina becomes a Category 5 hurricane with a highest sustained wind speed of 175 mph and gusts up to 215 mph.
* August 29 6:10AM CDT - Katrina makes second landfall near Grand Isle, Louisiana as a Category 4 Hurricane, with maximum sustained winds of 145 mph
* August 29 - Katrina makes third landfall near Louisiana/Mississippi border.
* August 30 1:30AM CDT - CNN reports that a levee on the 17th Street Canal, which connects into Lake Pontchartrain, suffered a two city-block wide breach. It is later reported that a total of three levees are breached.
* August 30 10PM CDT - New Orleans Mayor Ray Nagin announces that the planned sandbagging of the 17th Street levee breach has failed.
* August 30 - 80 percent of New Orleans is underwater.
* August 30 - Many instances of looting reported in the city of New Orleans.
* August 31 - The U.S. military starts to move ships and helicopters to the region at the request of the Federal Emergency Management Agency.
* August 31 - President Bush heads back to Washington from vacationing in Crawford, TX. Though he does not stop in Louisiana, Air Force One flies over the Gulf Coast so that he can view the devastation. [2]
* August 31 - The U.S. military starts to move ships and helicopters to the region at the request of the Federal Emergency Management Agency.
* August 31 - President Bush declares Gulf Coast a Public Health Emergency. [3]
* August 31 - Governor Kathleen Blanco of Louisiana orders that all of New Orleans, including the Superdome, be evacuated.
* August 31 - New Orleans's 1,500 member police force is ordered to abandon search and rescue missions and turn their attention toward controlling the widespread looting and a curfew is placed in effect. Mayor Ray Nagin calls for increased federal assistance
* August 31 11PM EDT - U.S. government weather officials announce that the center of the remnant low of what was Katrina has been completely absorbed by a frontal boundary in southeastern Canada, with no discernible circulation.
* September 1 - Governor Blanco says that the death toll may be "in the thousands".
* September 1 - The shelter in Houston's Astrodome is ruled full and could not accept any more people.
* September 1 - Homeland Security Secretary Michael Chertoff announces that 4,200 National Guard troops trained as military police will be deployed to New Orleans over the next three days. Louisiana Gov. Kathleen Blanco requests the mobilization of 40,000 National Guard troops.
* September 4 - The Superdome is completely evacuated.
* September 5 - The 17th Street Canal levee breach is plugged with 3,000 pound sandbags and truckloads of rock.
* September 6 - Forced evacuation of New Orleans ordered by mayor.