Debris litters a park adjacent to a neighborhood that was destroyed by a tornado in Moore, Okla., on Wednesday. The huge tornado roared through the Oklahoma City suburb, flattening a wide swath of homes and businesses.
A woman and young boy walk along a street amid destroyed houses Tuesday in Moore, Okla. The National Weather Service now says Monday's tornado produced winds in excess of 200 mph, making it a top-of-the-scale EF5.
A rescue worker checks the rubble in a residential area of Moore, Okla., on Tuesday after a massive tornado struck the area Monday. Emergency workers pulled more than 100 survivors from the rubble of homes, schools and a hospital in Moore.
President Obama speaks next to Vice President Biden at the White House about the devastating tornadoes and severe weather impacting Oklahoma. Obama promised to make available government resources to help rescue and recovery efforts.
Members of the American Red Cross distribute food at a command center the day after a tornado hit in Moore, Okla., with estimated winds of up to 200 mph. A 1999 storm in Moore caused similar damage and loss of life.