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.

Severe storms will continue for yet another day, with very large hail, strong winds and possible tornadoes. Places like Dallas, Shreveport, Waco and Lubbock need to be prepared for strong storms. These are the same areas that could also see significant flooding,

After severe thunderstorms moved across Oklahoma overnight, more severe weather is expected Tuesday. Here's what we know.