The storm system behind Monday's twister and several on Sunday is threatening a large swath of the United States on Tuesday, putting 73 million people at risk of severe weather.
"We could have a Round 3," CNN Meteorologist Ivan Cabrera said. "Hopefully, it won't be as bad."
Further tornadoes are not expected in devastatedMoore, Oklahoma. But a severe thunderstorm watch was issued in central and southern Oklahoma until 7 p.m. (8 p.m. ET), including Oklahoma City and Moore. Large hail and wind damage are possible, HLN Meteorologist Bob Van Dillen said.