New rounds of severe thunderstorms and life-threatening, potentially catastrophic, flooding risks are brewing in the central and eastern United States Tuesday, putting more than 50 million people at risk this week.

A severe thunderstorm warning was issued by the National Weather Service in Norman at 06:11 a.m. on Tuesday. This warning applies to Canadian, Cleveland, Grady, McClain and Oklahoma counties. Meteorologists warn of winds as strong as 70 mph.

Oklahoma could be in for a wet and wild week of severe weather, with the main tornado threat to the Oklahoma City area on Monday evening.