MOORE, Okla. — A giant tornado, a mile wide or more, killed at least 51 people as it tore across parts of Oklahoma City and its suburbs Monday afternoon, flattening homes, flinging cars through the air and crushing at least two schools packed with children.
As the injured began flooding into hospitals, the authorities said many people remained trapped, even as rescue workers were struggling to make their way through debris-clogged streets to the devastated suburb of Moore, where much of the damage occurred.
Amy Elliott, the spokeswoman for the Oklahoma City medical examiner, said at least 51 people had died, and officials said that toll was likely to climb. Local hospitals reported at least 145 people injured, 70 of them children.
The Plaza Towers Elementary School here in Moore was reduced to a pile of twisted metal and toppled walls, and on Monday evening rescue workers were still struggling to tear through rubble amid reports that dozens of students were trapped. At Briarwood Elementary School in Oklahoma City, on the border with Moore, cars were thrown through the facade and the roof was torn off.
“Numerous neighborhoods completely leveled,” Sgt. Gary Knight of the Oklahoma City Police Department, said by telephone. “Neighborhoods just wiped clean.” He said debris and damage to roadways, along with heavy traffic, were hindering emergency responders as they raced to the affected areas.
A spokeswoman for the mayor’s office in Moore said emergency workers were struggling to assess the damage.
“Please send us your prayers,” she said.
Brooke Cayot, a spokeswoman for Integris Southwest Medical Center in Oklahoma City, said 58 patients had come in by about 9 p.m. Another 85 were being treated at the Oklahoma University Medical Center in Oklahoma City.
“They’ve been coming in minute by minute,” Ms. Cayot said.
Keli Pirtle, a spokeswoman for the National Weather Service in Norman, Okla., said the tornado touched down at 2:56 p.m., 16 minutes after the first warning went out, and traveled for 20 miles. It was on the ground for 40 minutes, she said. It struck the town of Newcastle and traveled about 10 miles to Moore, a populous suburb of Oklahoma City.
Ms. Pirtle said preliminary data suggested that it was a Category 4 tornado on the Enhanced Fujita scale, which measures tornado strength on a scale of 0 to 5. A definitive assessment will not be available until Tuesday, she said.
Moore was the scene of another huge tornado, in May 1999, in which winds reached record speeds of 302 m.p.h.
Television on Monday showed destruction spread over a vast area, with blocks upon blocks of homes and businesses destroyed. Residents, some partly clothed and apparently caught by surprise, were shown picking through rubble. Several structures were on fire, and cars had been tossed around, flipped over and stacked on top of each other.
Kelcy Trowbridge, her husband and their three young children piled into their neighbor’s cellar just outside of Moore and huddled together for about five minutes, wrapped under a blanket as the tornado screamed above them, debris smashing against the cellar door.
They emerged to find their home flattened and the family car resting upside down a few houses away. Ms. Trowbridge’s husband rushed toward what was left of their home and began sifting through the debris, then stopped, and told her to call the police.
He had found the body of a little girl, about 2 or 3 years old, Ms. Trowbridge said.
“He knew she was already gone,” Ms. Trowbridge said. “When the police got there, he just bawled.”
The storm system continued to churn through the region on Monday afternoon, and forecasters warned that new tornadoes could form.
An earlier storm system also spawned several tornadoes across Oklahoma on Sunday. Several deaths were reported.
Russell Schneider, the director of the National Oceanic and Atmospheric Administration’s Storm Prediction Center in Norman, Okla., said the risk of tornadoes throughout the region remained high going into Tuesday.
Some parts of Moore emerged seeming untouched by the tornado. Bea Carruth, who lives about 20 blocks from where the storm struck, said her home and others in her neighborhood appeared to be fine.
Ms. Carruth had ridden out the tornado, as she usually does, at her son’s house nearby, the hail pounding away on the cellar where they had taken shelter. Tornados have long been a part of life in Moore, she said, and a few times a year, in a well-worn ritual, she clambers into her son’s cellar when the sirens go off.
In 1999, the last time a storm this size struck, Ms. Carruth again was lucky and the home she lived in then was spared. She ended up buying an empty plot of land where a house destroyed by that tornado once stood. Her house now sits on that same plot.
“This is just awful,” she said. “It all just breaks my heart.”
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Les équipes de recherches à Moore.

Une tornade probablement classée EF4 sur l' ( parle de vents de plus de 300 km/h), d'un diamètre de plus de 3 kilomètres, a frappé . Les images des télévisions américaines présentent des zones dévastées avec de très forts dégâts. Alors que les précédents bilans établissaient un nombre de victimes compris entre 51 et 91, le dernier bilan provisoire des autorités locales donne un nombre de victimes aux alentours de 24. Le nombre de personnes hospitalisées est estimé à 145.

La ville de  a aussi été particulièrement touchée et des patients de son hôpital ont dû être évacués vers des hôpitaux d'Oklahoma City. Selon le maire de la ville l'hôpital a été dévasté.

Au moins deux écoles ont été détruites. Dans l'une d'elles, l'école Plaza Towers, les enfants sont emprisonnés dans les décombres. CNN affirmait qu'entre 20 à 40 enfants retrouvés dans les décombres avaient été tués mais ce bilan est actuellement revu à la baisse à 9 enfants retrouvés morts. Les médias américains parlent de plusieurs dizaines d'enfants présents dans l'école au moment de la tornade. La  (FAA) a restreint le survol de la zone afin que les équipes de secours envoyées puissent entendre les cris des enfants sans être gênées par les hélicoptères des médias. 

Mais c'est toute la ville Oklahoma City qui est touchée avec la présence de 3 tornades simultanément. Plus de 62 000 foyers sont privés d’électricité d'après les compagnies de distribution. La ville de  est coupée d'alimentation en eau.
 


L'État du  a annoncé envoyer des équipes d'élites de secours et de recherches sur la zone après que le président  a déclaré l'état d'urgence. Une conférence de presse de Barack Obama à la maison blanche est annoncée à 16 heures (10 heures, heure locale).

Le pape  appelle à prier pour les victimes et leurs familles.