Tens of millions of people from the Plains to the Southeast and mid-Atlantic will be on alert for storms on Sunday as a multiday severe weather threat kicks off and continues through at least the first part of the upcoming workweek.
Severe thunderstorms and flash flooding were reported across portions of Oklahoma on Sunday morning, and a Tornado Warning was issued in Florida. Now, the threat will shift farther south into Texas, while residents in the mid-Atlantic and Southeast face their severe storm threat Sunday afternoon and evening…