The city of Moore, Oklahoma, has resumed the search for survivors this morning after Monday's massive tornado. Entire neighborhoods of Moore were flattened by the vast storm, and at least two schools took a direct hit by the powerful twister. The death toll is now at 51, including 20 children, and officials say they expect it to rise.
President Obama is meeting with his disaster response team address the nation this morning.
Teachers are being hailed as heroes for saving children at two schools in the tornado's path.
Forecasters warn more devastating tornadoes are possible today.
NBC News has compiled this time-lapse video of the tornado on the ground.