May 21, 20134:28 PM ET

MOORE, Okla. (AP) — The search for survivors and the dead is nearly complete in the Oklahoma City suburb that was smashed by a mammoth tornado, the fire chief said Tuesday.

May 21, 20135:21 PM ET

MOORE, Okla. (AP) — The principal's voice came on over the intercom at Plaza Towers Elementary School: A severe storm was approaching and students were to go to the cafeteria and wait for their parents to pick them up.

May 21, 20134:50 PM ET

MOORE, Okla. (AP) — I left the office in Oklahoma City as soon as I saw the tornado warnings on TV. I had photographed about a dozen twisters in the past decade, and knew that if I didn't get in my car before the funnel cloud hit, it would be too late.

May 21, 20134:18 PM ET

WASHINGTON (AP) — Wind, humidity and rainfall combined precisely to create the massive killer tornado in Moore, Okla. And when they did, the awesome amount of energy released over that city dwarfed the power of the atomic bomb that leveled Hiroshima.