Britannica Illustrated Science Library: Weather and Climate by Encyclopedia Britannica

Author:Encyclopedia Britannica [Britannica, Encyclopedia]
Language: eng
Format: epub
Published: 2011-10-29T23:50:39+00:00

58 METEOROLOGICAL PHENOMENA

WEATHER AND CLIMATE 59

What Katrina Took Away

THE WINDS

H urricane Katrina lashed the south and the center of the United States At 155 miles per hour (250

NEW ORLEANS

in August 2005. The force of the wind razed thousands of houses, km/h), they force the water

Latitude 30° N

buildings, oil installations, highways, and bridges, leaving a vast area against the protective walls..

Longitude 90° W

of the country without communication and some heavily populated areas without provisions. It resulted in extensive material damage and thousands THE WATER

of deaths in Florida, the Bahamas,

Area

360 square miles (933 square kilometers)

Louisiana, and Mississippi. Satellite images

advances toward the city,

Number of inhabitants

500,000

reveal the scope of the disaster, considered one of the most devastating in invading the central regions.

Altitude (above sea level) 10 feet (3 m) the history of the country.

LAKE PONTCHARTRAIN

DIKES

6:00 A.M.

were breached by the

The time when

water and the wind,

the hurricane

causing a great flood.

made landfall

LONDON

AUGUST 23

AVENUE CANAL

A tropical depression forms in the

Bahamas. It intensifies and becomes

Huracanes fueron

17TH STREET

tropical storm Katrina. On August

14 registrados en 2005.

CANAL

ORLEANS

25, it makes landfall in Florida as a

AVENUE CANAL

category 1 hurricane.

80%

El total de tormentas

26 tropicales registradas

en el año 2005.

Area of New Orleans

AUGUST 27

affected by flooding

Leaves the Gulf of Mexico and

reaches category 3. On August 28,

CATEGORY 5

CATEGORY 3

it is transformed from category 3

to category 5 and increases in size.

Area most affected

Areas most affected

by the flood

by the flood

AUGUST 29

OVER

In the early hours, it makes landfall in

Louisiana as a category 4 hurricane.

75%

1,500

A little later, it makes landfall for the

third time, in Mississippi.

of the inhabitants

Deaths confirmed after Katrina

CATEGORY 4

of this zone were

evacuated.

155 miles

per hour

(250 km/h)

OVER

MAXIMUM WIND SPEED

75 billion

SEPTEMBER 1

What remains of the hurricane

dollars was the cost of the repairs.

is weakened as it moves north

to Canada, where it dissipates.

The hurricane winds pushed the

water 14 feet (4.3 m) above the

normal sea level.

Direction of

Along with the storm, the

the hurricane

backed-up water reaches the

dikes of the Mississippi River.

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