The risk of the catastrophic flooding that struck Texas Hill Country as people slept on July 4 and left at least 120 dead was potentially underestimated by federal authorities, according to an ABC News analysis of Federal Emergency Management Agency data, satellite imagery and risk modeling.

Search crews continued the grueling task of recovering the missing as more potential flash flooding threatened Texas Hill Country.

Follow for live updates in the Texas flooding as the death toll rises to 120, as rescue operations start to shift to recovery phase