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Hurricane Katrina was the costliest natural disaster in U.S. history, causing around $108 billion (2005 USD) in damage. Katrina was the eleventh named storm of the 2005 Atlantic hurricane season, fifth hurricane, third major hurricane, and the second Category 5 hurricane of the season. Also, Katrina was the sixth strongest storm ever recorded in the Atlantic basin, as well as the third strongest hurricane that made landfall in the United States. Katrina devastated the coasts of Louisiana, Mississippi, and Alabama, and even brought some damage to areas of the Florida Panhandle. Katrina also devastated New Orleans, Louisiana, which received some unrelenting hype from the media. Also, Katrina devastated the Mississippi coastline even more than the Louisiana coastline, causing catastrophic damage to towns like Biloxi, Gulfport, Ocean Springs, Waveland, Pass Christian, and Bay St. Louis, because of its storm surge, which was equivalent to that of a Category 5 hurricane, not a Category 3 hurricane, even though it was only a 3 at the time of its landfall.

Katrina formed in the Bahamas on August 23, and headed west, striking southern Florida as a Category 1 hurricane. After that, Katrina entered into the Gulf of Mexico, where extremely warm water temperatures allowed it to strengthen into a Category 5 hurricane with 175 mph winds early on August 28. Katrina weakened to a Category 3 hurricane with 125 mph winds on August 29 before landfall, but still retained an enormous size, with hurricane-force winds extending 120 miles out from the center of circulation, and tropical storm-force winds extending 250 miles out from the center. Aside from its coastal effects, Katrina also caused severe wind damage well inland. Katrina killed at least 1,836 people throughout its path of destruction. This made Katrina the deadliest United States hurricane since the 1928 Okeechobee Hurricane. Katrina caused about $81.2 billion (2005 USD) in damage.

Katrina on August 28, near peak strength
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Formation August 23, 2005
Dissipation September 3, 2005(extratropical after August 30)
Highest winds 175 mph
Lowest pressure 902 mbar
Deaths At least 1,836
Damages $108 billion (2005 USD)
Areas affected Bahamas, South Florida, Cuba, Louisiana, Mississippi, Alabama, Florida Panhandle, most of the eastern United States

Meteorological History

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On August 23, Tropical Depression Twleve formed over the southeastern Bahamas, due to the interaction of a tropical wave, as well as the remains of Tropical Depression Ten. Despite being in an environment with some dry air and some slight wind shear, the system was upgraded to Tropical Storm Katrina on the morning of August 24. After becoming a tropical storm, Katrina headed westward towards the coast of South Florida, and at one point, it had an over 50% chance to undergo rapid intensification, and could've potentially struck Florida as a Category 3 hurricane. Rapid intensification never occured, however, and Katrina continued moving to the west towards South Florida, and only two hours before it made landfall, Katrina became a Category 1 hurricane. Katrina made landfall between Hallandale Beach and Aventura, Florida as a Category 1 hurricane with 80 mph winds on the morning of August 25. After landfall, Katrina weakened slightly to a tropical storm with 70 mph winds after its trek over South Florida, but regained hurricane status about one hour later after entering the warm waters of the Gulf of Mexico.

On August 27, Katrina reached Category 3 status, becoming the third major hurricane of the 2005 season. After that, an eyewall replacement cycle began, which disrupted Katrina's intensification. However, as a result of the eyewall replacement cycle, Katrina almost doubled in size. After that, Katrina began to rapidly intensify once again, becoming a Category 5 hurricane on the morning of August 28 while south of the Louisiana coastline, becoming the second Category 5 hurricane of the season. At 1:00 PM CDT on August 28, Katrina reached its peak of 175 mph winds, with a minimum central pressure of 902 mb. Because of this pressure measurement, Katrina was officially the fourth strongest Atlantic hurricane on record at the time, only for hurricanes Rita and Wilma to surpass it later in the season. Also, Katrina was the strongest hurricane ever observed in the Gulf of Mexico at the time, with Rita surpassing it later in the season.

At 6:10 AM CDT on August 29, Katrina made its second landfall near Buras-Triumph, Louisiana as a Category 3 hurricane with 125 mph winds, still retaining an enormous size, with hurricane-force winds extending 120 miles from the center, and tropical storm-force winds extending 250 miles out from the center. After landfall in Louisiana, Katrina made its third and final landfall near the Louisiana/Mississippi border as a Category 3 hurricane with 120 mph winds. After its final landfall, Katrina maintained hurricane intensity well inland in Mississippi, finally losing hurricane strength 150 miles inland near Meridian, Mississippi. When Katrina was near Clarksville, Tennessee, it was downgraded to a tropical depression. Katrina's remnants could be tracked all the way to the eastern Great Lakes region on August 31, where it became absorbed by a frontal boundary. Katrina then became extratropical, and moved rapidly to the northeast, affecting Ontario and Quebec as an extratropical system.

Preparations

Florida

In Florida, most people living in the landfall area were unaware when Katrina strengthened from a tropical storm to a hurricane before landfall. The National Hurricane Center predicted correctly when they stated that Katrina would intensify into a hurricane before landfall, thus Hurricane Watches and Hurricane Warnings were issued for the area 31.5 hours and 19.5 hours before landfall. Also, governor Jeb Bush declared a state of emergency on August 24 in anticipation of Katrina's landfall. Also, shelters were opened up and schools were closed in several counties in the southern part of the state. Also, numerous evacuation orders were issued, most of them being voluntary evacuations, except for a mandatory evacuation that was issued for Martin County.

Federal Government

On the morning of August 26, at 10:00 AM CDT, Katrina strengthened into a Category 3 hurricane in the Gulf of Mexico. Later on the afternoon of August 26, the National Hurricane Center noticed that Katrina had not made the turn to the Florida Panhandle, as was initially expected of the hurricane. This caused the forecast track of the hurricane to be shifted further west, into the Mississippi coast. Also, the National Hurricane Center issued a Hurricane Watch for southeastern Louisiana, including New Orleans, at 10:00 AM CDT on August 27. Later that afternoon, the NHC extended the watch to cover the Mississippi and Alabama coastlines, as well as some more portions of Louisiana, all the way westward to Intercoastal City. Also, the United States Coast Guard began pre-positioning resources beyond the area that was expected to be impacted by the hurricane, starting on August 26. Also, the United States Coast Guard activated more than 400 reservists. Also, aircrews from the Aviation Training Center, located in Mobile, Alabama, staged rescue aircraft from Texas all the way eastward to Florida in anticipitation of the monstrous hurricane.

All aircraft were returning back towards the Gulf of Mexico by the time the afternoon of August 29 rolled around. Also, air crews, began a round-the-clock rescue effort in the New Orleans area, as well as along the Mississippi and Alabama coastlines, despite many of them losing their homes from the hurricane. Also, President George W. Bush declared a state of emergency in Louisiana, Mississippi, and Alabama two days before the hurricane made landfall. On the evening of August 27, the NHC upgraded the section of the Hurricane Watch from Morgan City, Louisiana to the Alabama/Florida border to a Hurricane Warning, just 12 hours after the watch was issued. Also, a Tropical Storm Warning was issued for the westernmost area of the Florida Panhandle. Also, on August 28, when Katrina's size increased substantially, the NHC issued a Tropical Storm Warning to cover most of the Louisiana coastline, as well as a larger portion of the Florida Panhandle. The National Weather Service in New Orleans/Baton Rouge vividly-worded bulletin, predicting that the area would be "uninhabitable for weeks" after "devastating damage" caused by Katrina. Also, at that time, Katrina rivaled the intensity of Hurricane Camille in 1969, which struck Louisiana and Mississippi as a Category 5 hurricane with 190 mph winds.

Finally, voluntary and mandatory evacuation orders were issued for many areas of southeastern Louisiana, as well as coastal Mississippi and Alabama. About 1.2 million residents of the Gulf Coast in total were under a voluntary evacuation order or a mandatory evacuation order.

Gulf Coast

The preparations for the Gulf Coast for Hurricane Katrina are listed below.

Louisiana

In Louisiana, the 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 tropical-storm force winds start. Also, people in areas designated Phase II begin evacuating 40 hours before the arrival of tropical-storm force winds. Finally, those in the area designated Phase III (including the city of New Orleans) to evacuate 30 hours before the onset of tropical-storm force winds.

Mississippi

In Mississippi, the state activated its National Guard in anticipation of the landfall of Katrina on August 26. Additionally, the government of the state activated its Emergency Operations Center on August 27, and local governments began issuing evacuation orders. By 7:00 PM EDT on August 28, 11 counties and eleven cities issued evacuation orders. By the following morning, the county number increased from 11 to 41, and the city number increased from 11 to 61 cities. Also, 57 emergency shelters were established on coastal communities, with an additional 31 shelters available to open up, if needed.

Also, many private care-taking facilities that relied on ambulance and bus services for evacuation were not able to evacuate their charges. Also, fuel and rental cars were in short supply, and also many forms of public transportation had been shut down well before the hurricane made landfall. Some estimates state that 80% of the 1.3 million residents in the Greater New Orleans Metropolitan Area evacuated, leaving behind much less people than those that were left behind during the evacuation of the city for Hurricane Ivan in 2004. On Sunday, August 28, most of the infrastructure along the Gulf Coast had been shut down, including all of the Canadian National Railway, as well as all of the Amtrak rail traffic into the evacuation areas, as well as the Waterford Nuclear Generating Station. Finally, the NHC kept the coastal warnings up until late on August 29, by which time Katrina was over central Mississippi.

Greater New Orleans Area

On August 26, the possibility for unprecedented devastation was already being discussed. Many of the computer models shifted their forecasted path of Katrina 150 miles west of the Florida Panhandle, putting the city of New Orleans right in the center of their forecasted track probabilities, with the chances of a direct hit on the city being 17%, with that direct hit probability rising to 29% by August 28. This possible scenario was considered a potential catastrophe, due to 80% of New Orleans and the Metropolitan Area on the south shore being below sea level along Lake Pontchartrain. Because the storm surge in the right-front quadrant of the hurricane, the quadrant with the strongest winds and rain of a tropical cyclone in the Northern Hemisphere was forecast to reach 28 feet, emergency management officials in New Orleans feared that the storm surge could overtop the levees protecting the city from floodwater, which would result in a major flood event in New Orleans. Also, the risk of devastation was well known; previous studies conducted by FEMA and the Army Corps of Engineers had warned that a direct hit in New Orleans from a hurricane could result in catastrophic flooding, which would in turn lead to thousands of drowning deaths, as well as many more people suffering from disease and dehydration, as the floodwaters slowly receded from the city.

Due to the lack of a significant hurricane on the city since 1965's Hurricane Betsy, the city was most likely complacent, and therefore ignored those conducted studies. At a news conference at 10:00 AM CDT on August 28, shortly after Katrina was upgraded to a Category 5 hurricane, the mayor of New Orleans, Ray Nagin, ordered the first mandatory evacuation order for the city, stating that Katrina was "a storm that most of us have long feared." Also, the city government established several "refuges of last resort" for residents who could not leave the city. The Louisiana Superdome was one of the refuges of last resort opened up in the city in anticipation of the hurricane's approach. The Louisiana Superdome sheltered approximately 26,000 people and provided them with food and water for several days as Katrina slammed ashore into Louisiana.

Impact

On August 29, Katrina's storm surge caused several levee breaches in and around New Orleans. Most of the city of New Orleans was flooded (approximately 80% of the city was underwater after the hurricane), as the breached drainage and nagivation canals allowed water to flow from the lake into low areas of the city, as well as Saint Bernard Parish. The storm surge also caused devastating damage along the Mississippi and Alabama coastlines, making Katrina the costliest natural disaster ever in the United States. Katrina was also the deadliest United States hurricane since the 1928 Okeechobee Hurricane. The total damage from Katrina is estimated at $81,000,000,000 (2005 USD), nearly doubling the cost of the previously most expensive storm in the United States, Hurricane Andrew, when adjusted for inflation.

Florida

In Florida, Katrina made landfall in South Florida on August 25 as a Category 1 hurricane with 80 mph winds. It produced heavy rainfall, amounting to 14 inches in Homestead, Florida. Also, a storm surge of 3-5 feet was reported in parts of Monroe County as Katrina slammed ashore. Also, more than a million customers were left without electricity after the storm passed, and damage in Florida is estimated at 1 to 2 billion dollars, with most of the damage occuring from overturned trees, as well as flooding. In Florida, there were 14 fatalities reported with Katrina. Most of the Florida Keys received tropical-storm force winds from the hurricane, with the storm's center of circulation passing to the north of the Florida Keys. However, in the Dry Tortugas, hurricane-force winds were reported. Rainfall in the Florida Keys reached 10 inches in Key West. Also, on August 26, a strong F1 or a weak F2 tornado was spawned by Katrina's rainbands. This tornado struck Marathon, Florida, damaging a hangar at the airport in the city, and causing $5,000,000 in damage. nerps

Cuba

Although Katrina's center stayed well to the north of the country of Cuba, it brought tropical-storm force winds and heavy rainfall, up to 8 inches, to the western part of the island on August 29, as its size began to become enormous. Telephone lines and power lines were damaged by the hurricane, and around 8,000 people were evacuated in the Pinar del Río Province. According to Cuban television reports, the coastal city of Surgidero de Batabano was 90% underwater from the hurricane.

Louisiana

In Louisiana, Katrina made landfall on August 29 near Buras, Louisiana, as a Category 3 hurricane with 125 mph winds. Since it had just weakened from a Category 4 hurricane, it is possible that Category 4-force sustained winds were experienced along the immediate coastal communities of extreme southeastern Louisiana. Although the storm surge in Mississippi was higher, Katrina still brought a significant storm surge to Louisiana. The exact storm surge number is not known, due to a lack of data, although a tide gauge in Plaquemines Parish indicated that a storm tide in excess of 14 feet, and a 12 foot storm surge was also reported in Grand Isle. Katrina brought heavy rainfall to Louisiana, with rainfall amounts reaching 8-10 inches on a wide swath on the eastern portion of the state. In the Slidell area, rainfall amounts were even higher than that, with the highest rainfall amount in the state being reported at 15 inches. Because of the immense heavy rainfall from Katrina, as well as the enormous storm surge, the level of Lake Pontchartrain rose, causing significant flooding along the northeastern shore of the lake, affecting communities from Slidell all the way to Mandeville.

Also, several bridges were destroyed by the hurricane, including the I-10 Twin Span Bridge, which connects Slidell to New Orleans. In all, almost 900,000 people lost power in Louisiana due to Katrina's disastrous effects on the state. In St. Bernard Parish, a parish hit particularly hard from Katrina, the search for the missing people in the parish was slow, due to the entire parish being flooded. According to an interview in the New Orleans Times-Picayune, the coroner was still trying to get a list of the missing people from the Red Cross in November 2005. Although there were some victims on the list, whose bodies were found in their homes, the majority were tracked down by word-of-mouth and credit card records. As of December 2005, the amount of people missing in St. Bernard Parish stands at 47.

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Katrina making landfall in Louisiana.

New Orleans

In New Orleans, Katrina's eye passed northeast of the city, subjecting the city to hurricane-force winds for hours. Because of power failures, accurate measurements for wind speeds in the city were scarse. There were a few measurements of hurricane-force winds, however. Because of this, the NHC concluded that it is likely that much of New Orleans experienced Category 1 or Category 2-force sustained winds from Katrina. It is important to note, however, that wind speeds increase with height, thus the winds measured may have been in high-rise building, and at the surface, winds were more than likely significantly lower. Also, Katrina's strong winds and storm surge severely weakened New Orleans's levee system, and also, there were reports of extensive failures of the levees and the floodwalls protecting the city, as well as surrounding communities. The Mississippi River Gulf Outlet had its levee's breached in approximately 20 places, flooding much of eastern New Orleans, as well as most of St. Bernard Parish, and the east bank of Plaquemines Parish.

The major breaches in the levees in the city included breaches at 17th Street Canal levee, the London Advenue Canal, as well as the Industrial Canal. This left approximately 80% of New Orleans flooded by Katrina. Also, most of the major roads traveling into and out of the city were damaged by the hurricane. The only routes that led out of the city were the westbound Crescent City Connection and the Huey P. Long Bridge, since large portions of the I-10 Twin Span Bridge traveling eastbound towards Slidell had collapsed. Even though the Lake Pontchartrain Causeway was a route out of the city, it carried only emergency traffic. At 7:40 AM on August 29 CDT, it was reported that most of the windows on the north side of the Hyatt Regency New Orleans had been blown out, with many other high-rise structures suffering extensive window damage. The Hyatt was the hotel that was the most damaged in New Orleans, with beds reported to have flown out of windows, due to Katrina's fierce winds in the city. Insulation tubes were also exposed, since the hotel's glass exterior was completely sheared off. Also, the New Orleans Superdome, which was sheltering a large number of people who had not evacuated for the hurricane, was damaged quite badly by Hurricane Katrina.

Two sections of the roof of the Superdome were compromised. Also, the Superdome's waterproof membrane had been peeled off. The Louis Armstrong New Orleans International Airport was closed before Katrina hit, but was not flooded by Katrina. On August 30, the airport was reopened due to humanitarian and rescue operations. Also, limited commercial passenger service resumed at the airport on September 13, with regular carrier operations resuming in early October. Also, Katrina caused widespread loss of life, with over 700 bodies being recovered in the city of New Orleans by the time October 23 rolled around. Also, some of the survivors and evacuees reported seeing dead bodies in the city streets and floating in sections of the city that were still flooded, especially east of the city. Due to the advanced state of decomposition on many corpses, some of which were left in the water or the sun two days before being collected, hindered efforts by coroners to identify many of the dead.

The first deaths reported from New Orleans were reported shortly before midnight on August 28, as three nursing home patients had died during an evacuation to the city of Baton Rouge, likely from dehydration. Also, there were early reports of fatalities amid the mayhem at the Superdome, only six deaths were confirmed there, with four of those deaths caused by nautral causes, and one from a drug overdose, and one from suicide. Finally, at the Convention Center, four bodies were recovered. One of the four deaths is believed to be the result of homicide.

Mississippi

The Gulf Coast of Mississippi was extremely hard hit by Hurricane Katrina, even more so than the Louisiana coastline, due to Katrina's right-front quadrant hitting the area, the quadrant with the worst rain and winds in a tropical cyclone in the Western Hemisphere. Katrina left 238 people dead, 67 missing, and causing billions of dollars in damage. After the storm, 47 counties in Mississippi were declared disaster areas for federal assistance. After making landfall in Louisiana, Katrina made landfall in Mississippi near the stateline as a 120 mph Category 3 hurricane on August 29. The eastern eyewall of the hurricane passed over the cities of Bay St. Louis and Waveland, devastating those towns. The hurricane's right-front quadrant pushed a record storm surge of 27 feet, which penetrated 6 miles inland in many areas, and up to 12 miles inland along bays and rivers. In addition, the storm surge in some areas crossed Interstate 10 for several miles. In addition to the horrendous, recording-setting storm surge, Katrina also brought significantly strong winds to the state of Mississippi, traveling as far inland as Meridian, Mississippi before losing hurricane strength.

The winds caused significant tree damage throughout the state. The highest unofficial wind gust report was a 135 mph wind gust in Poplarville, in Pearl River County. Heavy rainfall was also associated with the storm, with Katrina dumping up to 8-10 inches of rain in southwestern Mississippi, with at least 4 inches of rain falling through the majority of the state as Katrina moved through. Katrina also spawned a total of 11 tornadoes in Mississippi on August 29, some of them damaging trees and power lines. Because of the wind, rain, and surge associated with the monstrous hurricane, some beachfront neighborhoods were completely destroyed by the hurricane. Also, the coast of Mississippi fared far worse than the Louisiana coastline, which caught the weaker side of the storm (except for extreme southeastern Louisiana, which caught the right-front quadrant of the powerful hurricane). Preliminary estimates by Mississippi local officials calculated that 90% of the structures that were within a half a mile of the coastline were completely destroyed, and that storm surges from Katrina traveled as far as 6 miles inland along some parts of the coast.

Also, one apartment complex, housing approximately 30 residents that were seeking shelder inside, collapsed due to the hurricane's effects. Also, more than half of the 13 casinos in the state, which floated on barges due to comply with Mississippi land-based gambling laws, were washed hundreds of yards inland by Katrina's waves. Also, numerous streets and bridges were washed away by the hurricane. On U.S. Highway 90 along the Gulf Coast of Mississippi, two major bridges were completely destroyed; the Bay. St Louis - Pass Christian bridge, as well as the Biloxi - Ocean Springs bridge. Also, the eastbound span of the I-10 bridge over the Pascagoula River estuary was damaged. In the weeks following the hurricane, with the connectivity of the U.S. Highway 90 lost, traffic traveling parallel to the coast was reduced to two lanes that remained on the I-10 span. All three coastal counties of the state were severely affected by Katrina. Katrina's storm surge was the most extensive, and also the highest, in the documented history of the United States, with large portions of Hancock, Harrison, and Jackson counties being inundated by storm surge, in both cases affecting most of the most populated areas.

Also, storm surge covered almost all of the entire lower half of Hancock County, and also destroyed the coastal communities of Clermont Harbor and Waveland, and also a lot of Bay St. Louis. Also, storm surge flowed up the Jourdan River, causing the city of Kiln to flood. In Harrison County, the city of Pass Christian was completely inundated, as was a narrow strip of land to the east along the coast, including the cities of Gulfport and Long Beach. However, in communities such as D'Iberville, which borders Back Bay, flooding was more severe. The city of Biloxi was particularly hard hit by Katrina, with the low-lying Point Cadet area hit the hardest. Also, in Jackson County, storm surge flowed up the wide river estuary, with the combination of storm surge and freshwater flooding cutting the county practically in half. Also, over 90% of Pascagoula, which is the easternmost coastal city in Mississippi, being 75 miles east of where Katrina made landfall on the Louisiana/Mississippi border, was flooded by storm surge during the height of the storm. Also, other Jackson County neighborhoods, such as Porteaux Bay and Gulf Hills were damaged significantly by Katrina, with large portions of those areas being destroyed.

St. Martin was also extremely hard hit, with Ocean Springs, Gautier, Moss Point, and Escatawpa also suffered major damage from Katrina's horrific storm surge. Finally, Mississippi Emergency Management Agency officials recorded deaths in Hinds, Forrest, Warren, and Leake counties. Also, over 900,000 people in the state of Mississippi lost power as a result of Katrina's impacts.

Southeastern United States

Even though Katrina made landfall much further to the west, both Alabama and the Florida Panhandle were affected by storm surge and tropical-storm force winds, due to the storm's very large size. In Mobile, Alabama, sustained winds were reported to have been 67 mph, with the storm surge there being approximately 10 feet. This surge caused significant flooding several miles inland along Mobile Bay. Finally, four tornadoes were reported in Alabama as a result of Katrina. Also, an oil rig that was under construction along the Mobile River broke its moorings and floated 1.5 miles north before striking the Cochrane Bridge, located just outside of the city of Mobile. The bridge did not sustain significant damage, and it was soon reopened, fortunately. The damage on Dauphin Island was severe, however, with the storm surge of Katrina destroying many houses, as well as cutting a new canal through the western portion of the island. Also, an offshore oil rig became grounded on the island as a result of the storm. Like in Mississippi, Katrina's storm surge caused significant beach erosion along the coastline of Alabama, a coastline hard hit by 2004's Hurricane Ivan. More than 600,000 people in Alabama lost power as the result of the hurricane. Also, two people died in the state due to a traffic accident in the state.

In the Florida Panhandle, the storm surge was typically about 5 feet, with the west-central part of the panhandle getting a 1-2 foot storm surge from the hurricane. Sustained winds reached 56 mph in Pensacola, Florida, as a result of Katrina. The strong winds caused damage to some trees and structures, and there was also some minor roof flooding in the Florida Panhandle. Also, there were two indirect deaths in Walton County as a result of a traffic accident. Overall, 77,000 customers lost power in the Florida Panhandle as a result of Katrina.

Northern and central Georgia were also impacted by Katrina, with more than 3 inches of rain falling in several areas. Also, at least 18 tornadoes were confirmed in the state on August 29, the most on record for the state of Georgia for one day in August. The most serious tornado out of these tornadoes was an F2 tornado that that affected both Heard and Carroll Counties. This tornado caused 3 injuries, as well as one fatality, and it also damaged several homes. In addition, this powerful tornado destroyed several poultry barns, killing over 140,000 chicks. Also, other tornadoes caused significant damage to buildings and agricultural facilities. Also, there was another fatality in the state aside from the one from the F2 tornado, which was caused by a traffic accident.

Other U.S. States and Canada

Even though Katrina weakened as it moved inland, there were reports of tropical-storm force wind gusts as far as Fort Campbell, Kentucky on August 30, with the winds damaging trees in New York. The remnants of Katrina brought significant rainfall to a wide swath of the eastern United States, with rainfall in excess of 2 inches falling in parts of 20 states. Also, a number of tornadoes associated with Katrina formed on August 30 and August 31, causing minor damage in several regions. In total, 62 tornadoes formed in eight states as a result of Hurricane Katrina.

Also, eastern Arkansas picked up light rain from Katrina. Also, gusty winds associated with the storm downed some trees and power lines, although damage was minimal overall. Also, in Kentucky, a storm that had moved through the state the weekend before Katrina hit, had already produced serious flooding, with Katrina's heavy rainfall adding to the flooding. Due to the flooding, the governor of Kentucky, Ernie Fletcher declared 3 counties disaster areas, and declared a statewide state of emergency. Also, in the city of Hopkinsville, one person was killed, and part of a high school collapsed. Also, flooding prompted a number of evacuations in the states of West Virginia and Ohio, with the rainfall in Ohio causing two indirect deaths. Also, Katrina caused numerous power outages in many areas, with over 100,000 customers affected in Tennessee, primarily in the Memphis and Nashville areas.

The remnants of Katrina were absorbed by a new cyclone to the east that was located over Pennsylvania. This cyclone continued to the north, with Katrina's remnants being absorbed into it, into Canada on August 31. In Ontario, a few isolated reports of rain in excess of 4 inches were present; also, there were

a few reports of damage from fallen trees. Also, flooding occured in Ontario and Quebec, which cut off a number

of isolated villages in Quebec.

Retirement

Due to the significant devastation caused by Hurricane Katrina, the name Katrina was retired in the

Spring of 2007 by the World Meteorological Organization, and it will never be used again for an Atlantic hurricane. It was replaced by Katia for the 2011 Atlantic hurricane season.

Extreme Video

Hurricane Katrina Extreme Video04:55

Hurricane Katrina Extreme Video

EXTREME

See Also

2005 Atlantic hurricane season

References

http://en.wikipedia.org/wiki/Hurricane_Katrina

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