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.

Donald Trump has suggested that Texans were given “a lot of warning” ahead of the devastating floods in the state. “The way this happened, there was a very early warning – warned a day before, they warned even two days before,

Two days after deadly Texas floods, the agency struggled to answer calls from survivors because of call center contracts that weren’t extended.

Forecasters warn that slow-moving storms could bring heavy downpours to already saturated areas, increasing the risk of flash flooding.

President Donald Trump travels to Texas on Friday amid growing questions about how local officials responded to the devastating floods, as well as questions about the federal response -- including the fate of the Federal Emergency Management Agency -- that he has so far avoided.

Gov. Greg Abbott announced the federal declaration Friday after formally requesting it for the Austin-area counties Thursday afternoon.

President Donald Trump was expected to arrive in Kerr County, Texas, Friday afternoon, one week after the area was struck by catastrophic flooding.

Max Chesnes is the Tampa Bay Times' environment and climate reporter, covering public lands, water quality, wildlife and everything in between. Reach him at [email protected] or follow him on Instagram @MaxChesnes. Anyone can view a sampling of recent comments, but you must be a Times subscriber to contribute. Log in above or subscribe here.