The flood was far more severe than the 100-year event envisioned by FEMA, experts said, and moved so quickly in the middle of the night that it caught many off guard in a county that lacked a warning...

Camp Mystic owners successfully appealed to the Federal Emergency Management Agency to redesignate some buildings that had been considered part of a flood-hazard zone.

"I think it's extremely troubling that it's a camp for children," Prof Pralle told the New York Times.