It was also then that it was given its name. From there it kept moving towards southern Florida. However, two hours before landfall between Hallandale beach and Aventura, the storm had absorbed enough energy and developed a rising hot spiralling wind with cold air sinking down in the middle to turn into a hurricane.
This happened on the 25th of August. Katrina had gone from a category 3 hurricane into a category 5 hurricane in only 9 hours. Normally, it takes a lot more time. Katrina kept moving north from here, slowly loosing strength until it disappeared. Report on hurricane Katrina. It was downgraded to a tropical depression near Clarksville, Tennessee , but its remnants were last distinguishable in the eastern Great Lakes region on August 31, when it was absorbed by a frontal boundary.
The resulting extratropical storm moved rapidly to the northeast and affected eastern Canada. The United States Coast Guard began pre-positioning resources in a ring around the expected impact zone and activated more than reservists. On August 27, it moved its personnel out of the New Orleans region prior to the mandatory evacuation. Aircrews , many of whom lost their homes during the hurricane, began a round-the-clock rescue effort in New Orleans, and along the Mississippi and Alabama coastlines. President of the United States George W. Bush declared a state of emergency in selected regions of Louisiana, Alabama, and Mississippi on August Bernard, and Plaquemines.
Voluntary and mandatory evacuations were issued for large areas of southeast Louisiana as well as coastal Mississippi and Alabama. About 1. On the afternoon of August 26, the National Hurricane Center NHC realized that Katrina had yet to make the turn toward the Florida Panhandle and ended up revising the predicted track of the storm from the panhandle to the Mississippi coast.
In one conference, he stated, "I do not think anyone can tell you with confidence right now whether the levees will be topped or not, but that's obviously a very, very great concern. Cruise ships altered their paths due to seaports in southeastern Florida closing. To the north in Broward County, residents east of the Intracoastal Waterway or in mobile homes were advised to leave their homes.
Evacuation orders were issued for offshore islands in Palm Beach County , and for residents in mobile homes south of Lantana Road.
Katrina: In Their Own Words - National Writing Project
Additionally, a mandatory evacuation was ordered for vulnerable housing in Martin County. In Monroe and Collier counties, schools were closed, and a shelter was opened in Immokalee. On the same day, he requested President Bush to declare "expedited major disaster declaration" for six counties of South Alabama, which was quickly approved. Three-hundred and fifty national guardsmen were called on duty by August Additionally, the state government activated its Emergency Operations Center the next day, and local governments began issuing evacuation orders.
By pm CDT on August 28, 11 counties and cities issued evacuation orders, a number which increased to 41 counties and 61 cities by the following morning. Moreover, 57 emergency shelters were established on coastal communities, with 31 additional shelters available to open if needed. By Sunday, August 28, most infrastructure along the Gulf Coast had been shut down, including all freight and Amtrak rail traffic into the evacuation areas as well as the Waterford Nuclear Generating Station.
In Louisiana, the state's hurricane evacuation plan calls for local governments in areas along and near the coast to evacuate in three phases, starting with the immediate coast 50 hours before the start of tropical storm force winds. Persons in areas designated Phase II begin evacuating 40 hours before the onset of tropical storm winds and those in Phase III areas including New Orleans evacuate 30 hours before the start of such winds.
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- Hurricane Devastation Of Hurricane Katrina.
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By August 26, the possibility of unprecedented cataclysm was already being considered. Since the storm surge produced by the hurricane's right-front quadrant containing the strongest winds was forecast to be 28 feet 8. At a news conference at 10 a. EDT on August 28, shortly after Katrina was upgraded to a Category 5 storm, New Orleans mayor Ray Nagin ordered the first-ever mandatory evacuation of the city, calling Katrina "a storm that most of us have long feared.
A June report by the American Society of Civil Engineers indicated that two-thirds of the flooding was caused by the multiple failures of the city's floodwalls.
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The death toll from Katrina is uncertain, with reports differing by hundreds. According to the National Hurricane Center, 1, fatalities can be attributed to the storm: 1 in Kentucky , 2 each in Alabama, Georgia , and Ohio , 14 in Florida, in Mississippi, and 1, in Louisiana. The hurricane left an estimated three million people without electricity. On September 3, , Homeland Security Secretary Michael Chertoff described the aftermath of Hurricane Katrina as "probably the worst catastrophe or set of catastrophes," in the country's history, referring to the hurricane itself plus the flooding of New Orleans.
Even in , debris remained in some coastal communities. The storm dropped heavy rainfall in portions of the Miami metropolitan area , with a peak total of Farther south in the Florida Keys, a tornado was spawned in Marathon on August Twelve deaths occurred in South Florida, of which three were caused by downed trees in Broward County, three from drowning in Miami-Dade County, three were from carbon monoxide poisoning caused by generators, one was due to a vehicle accident, one occurred during debris cleanup, and one was associated with a lack of electricity.
Significant impacts were also reported in the Florida Panhandle. Although Katrina moved ashore in Louisiana and Mississippi, its outer periphery produced a 5. High waves caused beach erosion and closed nearby roadways. There were five tornadoes in the northwestern portion of the state, though none of them caused significant damage.
There were two indirect fatalities from Katrina in Walton County as a result of a traffic accident. Before striking South Florida, Katrina traversed the Bahamas as a tropical storm. However, minimal impact was reported, with only "fresh breezes" on various islands. However, as it had only just weakened from Category 4 strength and the radius of maximum winds was large, it is possible that sustained winds of Category 4 strength briefly impacted extreme southeastern Louisiana.
The height of the surge is uncertain because of a lack of data, although a tide gauge in Plaquemines Parish indicated a storm tide in excess of 14 feet 4.
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Hurricane Katrina made final landfall near the mouth of the Pearl River , with the eye straddling St. As a result of the rainfall and storm surge the level of Lake Pontchartrain rose and caused significant flooding along its northeastern shore, affecting communities from Slidell to Mandeville.
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Katrina's storm surge inundated all parishes surrounding Lake Pontchartrain, including St. Tammany , Tangipahoa, St. John the Baptist , and St. Charles Parishes.
Background on Hurricane Katrina
Tammany Parish received a two-part storm surge. The first surge came as Lake Pontchartrain rose and the storm blew water from the Gulf of Mexico into the lake.
The second came as the eye of Katrina passed, westerly winds pushed water into a bottleneck at the Rigolets Pass, forcing it farther inland. The range of surge levels in eastern St. Tammany Parish is estimated at 13—16 feet 4. Hard-hit St. Bernard Parish was flooded because of breaching of the levees that contained a navigation channel called the Mississippi River Gulf Outlet MR-GO and the breach of the 40 Arpent canal levee that was designed and built by the Orleans Levee Board.
The search for the missing was undertaken by the St. In the months after the storm, many of the missing were tracked down by searching flooded homes, tracking credit card records, and visiting homes of family and relatives. According to the U. In St. As the eye of Hurricane Katrina swept to the northeast, it subjected the city to hurricane conditions for hours. Although power failures prevented accurate measurement of wind speeds in New Orleans, there were a few measurements of hurricane-force winds. From this the NHC concluded that it is likely that much of the city experienced sustained winds of Category 1 or Category 2 strength.
Katrina's storm surge led to 53 levee breaches in the federally built levee system protecting metro New Orleans and the failure of the 40 Arpent Canal levee.weiheath.tk
Hurricane Katrina Essay
Many levees in metro New Orleans were breached as Hurricane Katrina passed just east of the city limits. There were no breaches of Mississippi River levees in metro New Orleans. Failures occurred in New Orleans and surrounding communities, especially St. Bernard Parish. Most of the major roads traveling into and out of the city were damaged.
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The only major highway routes out of the city were the westbound Crescent City Connection and the Huey P. On August 29, at am CDT, it was reported that most of the windows on the north side of the Hyatt Regency New Orleans had been blown out, and many other high rise buildings had extensive window damage. Insulation tubes were exposed as the hotel's glass exterior was completely sheared off. The Superdome , which was sheltering many people who had not evacuated, sustained significant damage.