Alert gave Moore 36-minute warning
The National Weather Service issued its first warning at 2:40 p.m. local time,
16 minutes before the tornado touched down about 10 miles west of the city, said David Andra, a meteorologist in Norman, Okla. The tornado didnt reach Moore until 3:16 p.m., he said.
The average lead time for tornado warnings is 13 minutes, according to the National Oceanic and Atmospheric Administration.
Hospitals treat more than 200
Medical officials say theyve seen dozens and dozens of injured people since the storm rolled through an Oklahoma City suburb.
Norman Regional Hospital spokeswoman Melissa Herron said 20 of the more than 100 patients her facility treated are still hospitalized.
Obama to survivors:Nation stands by you
President Barack Obama on Tuesday assured the survivors of Oklahomas deadly tornado that the country is there for them and that the government will keep its focus on the rescue effort as long as is needed.
Obama said he has dispatched top officials to the region and directed his advisers to do all they can to help.
Oklahoma needs to get everything that it needs right away, Obama said in a morning statement.
The nation will stand with our citizens as long as it takes, the president said.