A map from AccuWeather warned that the highest-risk areas for flash flooding are Southern New Jersey, Southeastern Pennsylvania, Delaware, much of Maryland, Eastern and Central Virginia and Northern North Carolina. Downpours associated with the storms could be severe enough to cause travel disruptions and flash floods, the map said.

Devastating flash floods in Central Texas on Friday have killed more than 100 people, including over two dozen at Camp Mystic, a Christian summer camp for girls along the Guadalupe River.  More than 160 people remain unaccounted for,